Free Software :: Linux Kernel Project

News
Development Infrastructure
BIOS Systems
Boot Loaders
Resource Management
Process & Power Management
Memory Management
I/O Core
File Systems
Device Drivers
Networking
Network Clustering
Kernel Ports
Security Features
Time Constraints
Embedded Projects
Operating System Abstraction
User-space Tools
Documentation
Obsolete/Abandoned Projects

News

General News

Linux HeadQuarters
Kernel Traffic
Kernel Trap
Kernel Planet (Linux kernel developers journal aggregation site)
LWN Linux
Slashdot Linux
OSnews Linux
OSDL news

Embedded News

Development Infrastructure

General Infrastructure

Kernel.org (mirrors) (Europe) (North-America) (South-America) (Asia)
Mailinglist Archive (FAQ) (alternative Mailinglist archive)
Other Linux related Mailinglist archives
Linux BitKeeper Logs (Non-free distributed source management system which some Linux developers use) (Darcs based Linux repository)
LinuxKernelConf (Experimental Linux configuration format and interface library)
Kbuild (Experimental Linux build tool) (ml)
Kernel Bug Tracker (Bugzilla based bug-tracking system)
OSDL projects (Portal for projects supported by the OSDL non-profit organization)
Tiny Tree (Collection of Linux patches to reduce its memory and disk footprint, as well as to add features to aid working on small systems.)
LinuxCXX (Linux patch to allow support for C++ code)

Test Projects and Tools

Contest (Tool to test system responsiveness by running kernel compilation under a number of different load conditions) (ck-patches Con Kolivas' performance kernel-patches page) (ml)
LTP ("Linux Test Project". Test suites for the Linux kernel.) (cvs) (ml)
LSE ("Linux Scalability Effort". Collection of Linux kernel scalability related tools and tests.) (cvs) (ml)
STP ("Scalable Test Platform". Automated test system for user submitted kernel patches.) (cvs) (ml)
WOLK ("Working Overloaded Linux Kernel". FOLK inspired patch collection for stable Linux 2.4 versions) (ml)

Tracing and Profiling Tools

LTT ("Linux Trace Toolkit". Kernel patch and user-space tool to trace kernel events.) (supported trace points)
LKST ("Linux Kernel State Tracer". Kernel patch and user-space tool to trace Linux kernel events.) (ml)
OProfile (Linux 2.4 kernel profiler for x86 compatible systems.) (2.6 patches) (cvs) (ml)
Prospect (OProfile based tool to gather a detailed statistical profile of all processes running on a system) (cvs) (ml)
NPTL Tests and Trace (NPTL improvement project) (forum )

Debugging Tools

DProbes (Linux kernel debugging tool which uses software 'probes') (cvs) (ml)
Smatch (Experiment in finding Linux bugs using a GCC compiler patch to get more compile information, and a collection of Perl tools to analyze this information.) (cvs) (ml)

Kernel Crash Dump Tools

LKCD ("Linux Kernel Crash Dump". Kernel-patch and user-space tool which helps detect, save and examine a system crash.) (cvs) (ml)
mkdump ("Mini Kernel Dump". Small kernel-crash-dump tool which operates separately from the resources of the crashed kernel, too improve reliability.) (ml)

BIOS Systems

LinuxBIOS (Free BIOS firmware replacement. Using a little bit of hardware initialization and a compressed Linux kernel) (cvs) (ml)
OpenBIOS (Free BIOS firmware replacement. The goal is to implement a portable and 100% IEEE 1275-1994, referred to as Open Firmware, compliant firmware.) (arch) (ml)

Boot Loaders

- General boot loaders

GNU GRUB (Portable and advanced boot loader) (cvs) (ml) (wp)
Lilo ("Linux Loader". Boot loader for x86 compatible systems.) (wp)
Silo ("Sparc Improved boot LOader". Linux boot loader for the Sun Sparc and UltraSparc systems.) (cvs) (ml)
elilo (EFI compatible boot loader for Int*l IA-64 and x86 compatible systems) (cvs)
TCCBOOT (x86 compatible boot loader which uses TinyCC to compile C and assembly sources and boot the resulting executable)
XOSL (Graphical boot loader for x86 compatible systems supporting several operating systems)
EMILE ("Early Macintosh Image LoadEr". Boot loader for m68k based Linux systems, such as MacII and the Quadra 610) (cvs) (ml)

- Boot loaders for embedded systems

U-Boot ("Universal Boot loader". Boot loader for PowerPC or ARM based embedded Linux systems.) (cvs) (ml) (forum)
rrload (Boot loader for ARM based embedded Linux systems)
CRL/OHH (Flash boot loader for ARM based embedded Linux systems)
RedBoot (Red Hat eCos derived, portable, embedded system boot loader)
PPCBOOT (Boot loader for PowerPC based embedded Linux systems) (cvs) (ml)
Alios (Assembler based Linux loader which can do basic hardware initialization from ROM or RAM. The goal is to eliminate the need for a firmware BIOS on embedded systems.)
FILO (x86 compatible boot loader which loads boot images from the local filesystem, without help from legacy BIOS services. Expected usage is to flash it into the BIOS ROM together with LinuxBIOS.)

- Network boot loaders

PXE Linux (Network based bootstrapping using TFTP)
Etherboot (cvs) (ml)
LTSP ("Linux Terminal Server Project". Collection of server software to setup a console or X based thin-client environment.) (ml)

- Boot loader related programs

kexec (Kernel function which can load another Linux kernel from the currently executing Linux kernel) (kexec paper) (kernel-summit-2004 paper)
Bootsplash (Linux bootstrap screen-theming framework) (ml)

Resource Management

CKRM ("Class-based Kernel Resource Management". Framework for allocation of system resources, based on user-defined groups of tasks called classes.) (ml)
Network Traffic Shaping (from the Linux kernel section)
Operating System Abstraction (from the Linux kernel section)

Process & Power Management

Kernel code
kexec (Kernel function which can load another Linux kernel from the currently executing Linux kernel) (kexec paper) (kernel-summit-2004 paper)
NPTL ("Native POSIX Thread Library". Project to improve the POSIX threading for the GNU C library and the Linux kernel. See: NPTL paper) (announcement v0.1) (NPTL Tests and Trace) (forum )
DPM ("Dynamic Power Management". Project to explore technologies to improve power conservation capabilities.) (ml)
ACPI ("Advanced Configuration & Power Interface". Device power management framework developed by Intel) (ml)
swsusp (Linux software suspend, without APM.) (ml)
KML ("Kernel Mode Linux". Kernel patch to run user programs in kernel mode.)

Memory Management

MM code
BadMEM (Patch and user-space tools to make Linux work with partly faulty RAM hardware. See also BadRAM, upon which BadMem was based.) (cvs) (ml)
Discontig (Patch to support systems with discontiguous physical memory, with a focus on ccNUMA systems) (ml)
Linux on NUMA
Memtest86+ (Standalone memory-test for x86 compatible systems) (original home)

I/O Core

Linux-AIO ("Linux Asynchronous I/O") (ml)
ABISS ("Active Block I/O Scheduling System". Extension to the Linux hard-disk storage subsystem, to provide real-time data streams and priority based disk I/O.) (ml)

File Systems

FS code
FS Development ML
Ext2/3 FS (Ext2/3 devel ml) (Ext3 user ml) (e2fsprogs Ext2/3 file system utilities) (ext2resize) (genext2fs tool to create an Ext2 filesystem as a non-root user) (cvs) (ml)
Btrfs (large storage file system)
NILFS (log-structured file system)
XFS (from SGI) (cvs) (ml) (XFDeb project to integrate XFS and GFS into Debian)
FiST ("File System Translator". A system for stacking file systems.) (UnionFS (Unioning file system)
GFS (POSIX-compliant cluster file system and volume manager from Red Hat)
Journaling FS (from IBM) (cvs) (ml)
NBD ("Network Block Device". Network based file system framework, in which only one client may have a specific block device NBD mounted read/write at a time) (cvs)
NFS ("Network FS". Allows systems to mount a disk partition on a remote system as if it were on a local hard drive.) (cvs) (ml) (NFS v4 portal)
Global FS (cvs) (ml)
LVM ("Logical Volume Manager") (cvs) (ml)
EVMS ("Enterprise Volume Management System") (cvs) (ml)
Linux UDF ("Universal Disk Format" FS) (cvs)
RelayFS (Memory buffer based FS for 'relaying' kernel-space data into user-space)
OpenAFS (Free implementation of the "Andrew File System". Distributed file system that enables hosts to efficiently share filesystem resources across both LAN's and WAN's. License: IBM Public license) (cvs) (ml)
Arla (Free Andrew FS implementation) (cvs) (ml)
Coda FS (Advanced network FS, with support for: disconnected client operations, client side caching, server replicatio, network bandwidth adaption, advanced security model, and more) (cvs) (ml)
LUFS ("Linux User-space File System". Network FS framework implemented in userspace, which supports several different file systems) (cvs) (ml)
SHFS (Kernel object to mount remote filesystems using a secure shell connection) (cvs)
PRAMFS ("Persistent, Protected RAM File System". Lightweight FS for systems with a block of fast non-volatile RAM that need to access data on it using a standard filesytem interface.)
Cram FS (Filesystem for embedded devices. The CramFS user-space tools are hosted at sourceforge.)
SFS ("Self-certifying File System". NFS utilizing global filesystem that provides security over untrusted networks.)
JFFS ("Journaling Flash FS". Flash file system optimised for NOR flash.)
YAFFS ("Yet Another Flash F"S. Flash file system optimised for NAND flash.) (introduction article)
Squash FS (Read-only FS which uses zlib to compress data, inodes, and directories)
Cloop (Kernel object that enables compressed loopback filesystem support) (cvs)
Intermezzo FS
LinLogFS (Log-Structured FS)
NTFS (M$ NTFS support) (cvs) (ml)
SpadFS (Attempt to create a less complex FS with advanced filesystems features)
AVFS ("A Virtual File System". AVFS allows programs to use remote, archived or compressed files as FS's.) (cvs)
BeFS (Read-only Be file system driver) (cvs) (ml)
v9fs (Client and server implementations of 9Pi distributed file system protocols) (ml)
LDAPfs (LDAPfs allows LDAP entries to be read and written using the familiar filesystem interface. LDAPfs requires the AVFS/FUSE or Coda filesystem.) (cvs)
Translucency (Kernel module, for the overlaying of two seperate file systems, to allow reading from either file system and writing to one of them. (cvs) (ml)
MapFS (Linux filesystem to cluster FS's into a single virtual filesystem) (cvs)
OCFS (Oracle database cluster FS) (ml)
Cryptoswap (Kernel patches for building an encrypted swap partition when a system boots)

Device Drivers

- General

Device Driver code
Linux Driver Project
Driver On Demand (Perl/CGI/XML/HAL based client-server system to provide transparent driver installations) (cvs) (ml) (forum)
Supported hardware database (notebook resources)
Linux Hotplugging (Currently there is hotplugging support for PCI, USB, Cardbus and IEEE 1394 cards. Network-interface hotplugging has a special interface.) (cvs) (ml)
Submount (Pseudo file system for automatically mounting and unmounting removable media drives like cdroms and floppy disk drives) (ml)
Supermount (Pseudo file system for automatically mounting and unmounting removable media drives like cdroms and floppy disk drives) (forum)
IPMItools (Linux kernel drivers and user tools to interface with IPMI based management hardware) (cvs)
UDI ("Uniform Driver Interface". UDI aims to define a single interface between operating system kernels and device drivers. License: BSD-style) (cvs) (principal objections against the UDI)

- Chipsets

DSP Gateway (DSP gateway driver for the ARM-based TI OMAP chips. License: GPL and BSD-style) (ml)
Intel IA32 Microcode (Tool to update Intel CPU microcode)

- Disk Drives

ATA Support (Collection of ATA/IDE technology related tools)
SCST ("SCSI Target". Unified interface between SCSI target drivers and the Linux kernel. SCST tries to simplify the development of target SCSI device drivers.)
SCSI Generic driver (High-level SCSI sub-system. The SG driver is used by scanners, CD/DVD writers.)
packet-cd (Driver support for UDF based CD/DVD packet writing) (ml)
Adaptec device drivers (SCSI, I2O-RAID, FiberChannel)
AMI MegaRAID (RAID controller driver) (ml)
ICP Vortex RAID
In-System Design ISD-200 (USB to ATA bridge used for several storage devices)
cwfloppy (Driver support for the "Catweasel" floppy controller produced by "Individual Computers")

- Bus Systems

PCI Hotplug (cvs) (ml)
pci.ids (Linux PCI ID repository) (ml)
USB (ml) (blog)
PCMCIA
IEEE 1394 (Linux portal for the IEEE 1399 high speed serial bus) (cvs) (ml)
Serial device software (Serial HowTo)
External Parallel Port devices (Resources for using EPP devices with Linux)
UNH-iSCSI (Vendor independent iSCSI framework, consisting of a SCSI host bus driver and a iSCSI protocol implementation) (cvs)
HyperSCSI (Networking protocol designed for the transmission of SCSI commands and data)
I2C-bus
Intel UPNP ("Universal Plug-and-Play") (cvs) (ml)
InfiniBand (Experimental high-speed switched fabric subsystem designed to connect processor nodes and I/O nodes to form a system area network.) (ml)
IBM MCA-bus
PC/104 A/D converters (for Micro/Sys MPC550 and Real Time Devices DM6210)
sercontrol (Driver to control the DTR pin of a serial port)

- Networking Chipsets (excluding wireless networking chipsets)

Ethernet card projects (ml) (Diagnostic/Setup programs) (Yellowfin Gigabit Ethernet)
Nvidia nForce (Ethernet driver)
Intel PRO/1000 (Gigabit ethernet driver)
MPC86x ESAR (ATM networking driver) (cvs) (forum)
WANPIPE (Multi-protocol network software collection for Sangoma network cards)
Alacritech SLIC (iSCSI network card driver. Currently only with ethernet functionality.) (cvs)
DISsp ("Dolphin SCI Cluster Software source package". Drivers for the Dolphin SCI cards)

- IEEE 802.11 Wireless Networking Chipsets

linux-wlan (Initiative to developement a complete and standards compliant IEEE 802.11 wireless LAN system for GNU/Linux) (ml)
rt2x00 (Ralink rt2400 / rt2500 based 802.11a/b/g LAN driver) (cvs) (ml) (forum)
Linksys wrt54g-linux (GNU/Linux distribution for the Linksys WRT54G 802.11g wireless appliance. No permanent software changes are made, since all is installed to a RAM disk.) (Link-Sys WPC11 PCMCIA 802.11 LAN driver HowTo)
Atheros ar5k (PCMCIA/PCI 802.11a/b/g LAN driver) (ml)
Atheros MADWIFI (Multiband Atheros Driver for WiFi. PCMCIA/PCI/miniPCI 802.11a/b/g LAN driver for Atheros chipsets: ar5210, ar5211, ar5212.) (cvs) (ml)
Prism (802.11g LAN drivers for the: Prism GT, Prism Duette, and Prism Indigo chipset) (svn) (forum)
Prism2/2.5/3 (PCMCIA/PCI 802.11 LAN driver, with support for 'host access point' mode) (cvs) (ml)
ipw2100 (802.11 LAN driver for the Intel PRO/Wireless 2100 chipset) (cvs) (ml)
ipw2200 (802.11bg LAN driver for the Intel PRO/Wireless 2200BG chipset) (ml)
Atmel AT76C503A (USB 802.11 LAN driver) (cvs) (ml)
Cisco/Aironet 4500/4800/340/350 (PCMCIA/PCI/ISA 802.11 LAN driver) (cvs) (ml)
Texas Instruments ACX100 (PCMCIA/PCI 802.11 LAN driver) (cvs) (ml)

- Modem Chipsets

SpeedTouch ADSL USB modem (cvs) (forum)
Conexant modem (HSF softmodem and HCF controllerless modem) (HCF ml) (HSF ml)
Linux Winmodem Support
PCTEL winmodem (Supported chipsets: Via, Asus, CM8x, Sis and PCT)

- Sound Frameworks

ALSA (Advanced Linux Sound Architecture. Soundcard support environment consisting of a kernel-space object/module and a standard audio API implement in a library set.) (cvs) (ml)

- Sound Chipsets

ALSA Soundcard Matrix (Soundcard support status)
AudioScience (ALSA sound card drivers for AudioScience soundcards)
miroMEDIA Surround (D*lby Pro L*gic decoder ISA card driver)

- Video Frameworks

DRI (Direct Rendering Infrastructure. Allows for more direct access to the graphics hardware through the XFree86 server, thereby greatly improving the performance of video and Op*nGL graphics rendering. DRI is mostly Linux and *BSD specific.) (ml)
Video4Linux (ml)
Console (ANSI X3.64/ECMA-48)
DirectFB (Framebuffer framework) (cvs) (ml)
KGI (Kernel Graphics Interface. KGI consists of a portable kernel-space video-card driver framework. The core driver functionality is done in kernel space, and anything else is done through the GGI user space library) (cvs)

- Video Chipsets

Gatos KM (Kernel module for using the Video4linux interface with ATI's Mach64, Rage128 and Radeon video cards) (cvs)
Matrox Marvel (V4L v1/2 support for G200/G400/G450eTV/Rainbow Runner G-series) (cvs) (ml)
SiS VGA Chipsets
DXR3 drivers (For the Creative Labs and Sigma Designs DVD playback cards with the em8300 chipset) (cvs) (ml)
Margi/Billionton MPEG decoder PC-Card (Driver created by Convergence)
Unichrome Project (Device driver for the VIA/S3G unichrome graphics controller) (cvs) (ml)
MIRO DC1+ (Video4Linux compatible frame grabber driver for the ISA card model)
DFG/1394-1 (Video4linux driver for the ImagingSource DFG/1394-1 video converter) (cvs)
TechniSat MediaFocus (Video4Linux compatible driver for the ZR36120/ZR36125-based MediaFocus Sat-PC card) (MediaFocusII for cards with the Philips SAA7146AH chipset)
MyHD (Driver for Teralogic TL880 based HDTV decoder cards) (cvs) (ml)
CLE266 (Video4Linux compatible MPEG decoder driver for the VIA EPIA-M motherboard) (forum)

- Keyboards

KBDE ("KeyBoard Driver Emulator". Linux kernel module for the emulation of keyboard input. Useful for keyboardless systems.) (cvs)

- Touch Screens

MicroTouch USB touchscreen
Synaptics cPad (Driver for the notebooks equiped with a LCD-touch-screen-pad)
Fujitsu Point 510 Touchscreen

- Printers

LinuxPrinting.org (GNU/Linux printer support portal) (ml)
GIMP-Print (Printer device drivers for: Canon, Epson, Lexmark, and PCL printers for use with Ghostscript, CUPS, Foomatic, and the GIMP)
P300drv (P-300 personal photo printer driver) (cvs)

- Image Scanners

SANE (Scanner Access Now Easy. Standard interface and tools for accessing raster image scanner hardware) (ml)
USB scanners
Parallel port scanners
Handheld scanners
Primax (Drivers for the 'Colorado Direct' image scanners) (cvs)

- Light Control

DMX4Linux (DMX protocol supporting lighting controller software, which consists of a Linux kernel module and a set of DMX controller tools)

- Radio Receivers & Senders

LiNRADiO (Device driver and tools for using the WiNRADiO PC-based radio receivers)
SF16FMR radio card
GENRIP (GENeric Radio IP. Device driver to transmit ethernet frames over generic low-speed serial radio devices.)

- Digital Camera's (including webcams)

Coriander (GTK+ based GUI for IEEE-1394, IIDC compliant digital cameras) (cvs)
Aiptek Mega USB camera
Philips USB webcam
OmniVision OV511 webcam(USB-only chip driver used in some webcam devices. Others chipmodels supported: 6620,7610/20)
Video Blaster II webcam (User-space tool to access the webcam based on the Vision CPIA chipset via the parallel-port)

- Portable Music Players

MPIO (Driver for the Digitalway/Adtec audio player) (cvs) (ml)
mpio DMB+ (Command-line interface for managing MP3 files on this device using the user-space libusb library)
RIO500 (Diamonds Rio 500 MP3 player support) (cvs) (ml)
gnuPod (Toolkit to use the Apple iPod) (syncpod Perl script to sync a local directory with the iPod) (iPod on Linux)

- Game Control Devices

3D Controller (Initiative to create driver support for 3D controller hardware) (forum)
Force feedback
Gforce (M$ Force Feedback 2 joystick driver)

- Misc.

Comedi (Linux kernel word for access to common data acquisition plug-in boards and a user-land library) (cvs) (ml)

Networking

- General

Networking code
Netfilter (cvs) (ml)
KAME (IPv6/IPsec networking stack implementation. License: BSD-style) (cvs)
vlan (802.1Q specification compliant "Virtual Local Area Network" implementation) (ml)
ULN ('User Level Networking' is a Linux kernel patch and a set of user-space tools to allow the dynamic allocation of IPv4/IPv6 addresses to different users) (cvs)
Tux (Kernelspace HTTP server)
tcpcp ("TCP Connection Passing". A mechanism to allow applications to pass ownership of TCP connection endpoints from one Linux host to another.) (ml)

- Network Protocols

IEEE 802.11 Wireless Networking Chipsets
IPv6 (Linux portal for the next generation of the Internet protocol)
FreeS/WAN (IPsec implementation) (ml)
MIPL (Mobile IPv6 for Linux) (ml)
OpenBT (Ericsson Bluetooth protocol stack developed by Axis) (ml)
BlueZ (Ericsson Bluetooth protocol stack) (cvs) (ml)
Affix (Ericsson Bluetooth protocol stack developed by Nokia) (cvs) (ml)
ATM ("Asyncronious Transfer Mode" information for Linux. ATM is a High-speed, non-broadcasting, physical network protocol.) (cvs) (ml)
STP ("Scheduled Transfer Protocol". An ANSI specified connection-oriented data transfer protocol for controlled high-bandwidth data transfer with minimal host CPU usage.) (ml)
Linux SCTP (Stream Control Transmission Protocol implementation) (cvs)
Token Ring
IPoCAN (GNU/Linux specific IP over CAN networking system) (cvs)
OpenSS7 (Project which tries to create a SS7 protocol stack for Linux and other Unices. Licensing Terms.)
isdn4linux (Linux ISDN driver framework and collection of ISDN related tools) (ml)
HyperSCSI (Networking protocol designed for the transmission of SCSI commands and data) (forum)
Linux DECnet (DECnet phase IV connectivity for Linux) (ml)

- Network Device Drivers

Networking Chipsets (excluding wireless networking chipsets)
IEEE 802.11 Wireless Networking Chipsets
Modem Chipsets

- Network Traffic Shaping

ECN (Explicit Congestion Notification. RFC 2481 standard implementation to help reduce wasted bandwidth in times of network congestion on routers.)
L7 (Linux kernel, iproute and tc patch to classify and prioritize packets based on patterns in in the application layer) (cvs) (ml)
Bandwidth Arbitrator (Linux kernel object and user-space tools to setup network traffic shaping) (ml)
HTB (QoS packet scheduler system, which can control the use of the outbound bandwidth on a given link. HTB is meant to be a better alternative to Linux CBQ qdisc.)

Network Clustering

Server Virtualization (from the System Management section)
Linux-HA (Portal site for high-availability GNU/Linux projects) (cvs) (ml)
OpenMosix (System for transparent network clustering using process migration.) (cvs) (ml) (MosixView Qt based GUI for managing a MOSIX-Cluster) (ml) (Migshm "Distributed Shared Memory" extension for openMosix)
Beowulf (Collection of software packages to build a computer cluster out of PC hardware components intented to solve massively parallel computing problems.) (ml) (Extreme Linux Beowulf information portal) (BProc "Beowulf Distributed Process Space". Process management tools for Beowulf clusters.) (ml)
DRBD ("Distributed Redundant Block Device". Device driver for high-availability 2-node clusters.) (ml)
LRHAM ("Linux Replicated High Availability Manager". DRBD based high-availability cluster management software.)
Clustermatic (LinuxBIOS and BProc based network clustering GNU/Linux distribution)
Lustre (Linux cluster file system using object-based inodes) (ml)
Linux Virtual Server (Load-balancing network project) (ml) (Keepalived daemon for improving the availability of the Linux Virtual Server) (ml)
Fake (IP address take-over system used by HeartBeat)
UltraMonkey (Load-balancing network project) (ml)
DISsp ("Dolphin SCI Cluster Software source package". Drivers for the Dolphin SCI cards)

Kernel Ports

Architecture specific code (i386)
AMD x86-64 (cvs) (ml)
Intel IA64 (ml)
Sun SPARC (ml)
IBM S/390 (ml) (Linux on S/390 portal)
ARM (ml) (LART Small, but complete ARM based computer-design project) (Linux OMAP chip by TI) (ml)
IBM PowerPC (Linux PowerPC portal) (PenguinPPC) (ml)
IBM PowerPC 64bit
Pegasos PowerPC (forum)
Linux/APUS (Linux for PowerPC equipped PowerUP Amiga computers) (cvs) (ml)
uClinux (Linux for MMU-less microcontrolers) (cvs) (ml) (forum)
ELKS (Embeddable Linux Kernel Subset. Used for running Linux on the Intel 8086, 8088, 8186 and 8286 CPU's.) (cvs) (ml)
SGI MIPS (cvs)
HP PA-RISC (cvs) (ml)
Compaq Alpha (ml)
DEC/Compaq VAX (cvs) (ml)
Motorola m68000 (Supports: Amiga, Atari, Apple Macintosh, VME SBC) (ml)
NEC VR (Casio E-105, Vadem Clio, etc.) (cvs)
Sony PS2/MipsEEel (PS2 GNU/Linux developer kit) (PS2/Linux portal)
Hitachi SuperH (cvs) (Another LinuxSH project)
Hitachi SuperH Dreamcast console (cvs) (Another Dreamcast project)
NCR Voyager (Level 5 architecture based SMP system, which can use upto 32 x86 processors)
Xbox-Linux (Initiative to port GNU/Linux to the M$ Xbox, with and without a mod-chip) (cvs) (ml)

Security Features

- General

Firewall Tools (from the Application Management section)
Server Virtualization (from the System Management section)
GRsecurity (Collection of popular security patches that will apply cleanly to several recent stable kernel versions) (cvs) (ml) (forums)

- ACL Systems

LSM ("Linux Security Module". Kernel interface for developing and using different security-policy related plugins) (source) (ml) (RSBAC comments on LSM) (GRsecurity comments on LSM)
PAM for Linux ("Pluggable Authentication Modules") (PAM Modules and Applications) (ml)
Bestbit ACL's (Extended attributes and access control list framework, with support for various file systems) (ml)
RSBAC ("Rule Set Based Access Control". Mandatory access control lists system.) (ml)
SE Linux ("Security-Enhanced Linux". (LSM compatible, mandatory access control lists system, developed by the NSA.) (ml) (serefpolicy alternative to the existing strict and targeted policies) (Debian SE Linux)
Umbrella (LSM compatible mandatory access control lists system, including executable signing, for embedded Linux systems) (cvs) (ml)
Port pseudo ACLs (Kernel patches which allow an administrator to delegate privilege for some protected network resources to non-root users mechanisms for Linux)
Linux Trustees (LSM compatible access control lists system)

- Crypto Systems

The GNU/Linux CryptoAPI (Linux kernel interface to allow for the encryption/decryption of all physical media and network traffic) (cvs) (ml) (IKP as pure module)
Linux Crypto Mailinglist (Discussion list for cryptography related Linux topics)
strongSwan (IPsec implementation. StrongSwan is a code-fork of the inactive FreeS/WAN project.) (ml)
Cryptoswap (Kernel patches for building an encrypted swap partition when a system boots)

- Intrusion Detection Systems

Intrusion Detection (from the System Management section)

Time Constraints

Kpreempt (Linux kernel preemption project) (cvs) (ml)
High Resolution Timers (Linux kernel implementation of the POSIX 1003.1b Clocks and Timer API) (cvs) (ml)

Embedded Projects

RT Linux (hard-realtime capability patch-set, with a design for low overhead. This patch-set is included in the main kernel tree)
uClinux (Embedded Linux project for MMU-less micro-controlers) (cvs) (ml) (forum)
RTAI ("RealTime Application Interface". Embedded Linux project.) (cvs) (ml)
MontaVista Linux (Embedded Linux project) (ml)
EMC ("Enhanced Machine Controller". Embedded Linux project.) (cvs) (ml)
LEAF ("Linux Embedded Appliance Firewall", with support for wireless networking) (cvs) (ml)
OCERA ("Open Components for Embedded Realtime Applications". RTLinux based embedded Linux project.) (cvs) (ml)
Orocos (RTAI based framowork for realtime systems and/or robot control) (ml)
Embedded Gentoo (Embedded Linux project based on Gentoo) (ml)
Handheld Linux Software Index
ELKS (Embeddable Linux Kernel Subset. Used for running Linux on the Intel 8086, 8088, 8186 and 8286 CPU's.) (cvs) (ml)
Umbrella (LSM compatible mandatory access control lists system, including executable signing, for embedded Linux systems) (cvs) (ml)

Operating System Abstraction

Server Virtualization (from the System Management section)
KVM (x86 hardware emulator for Linux using QEMU) (ml)
QEMU (x86 hardware emulator for Linux) (ml)
UML ("User Mode Linux". UML lets you run GNU/Linux operating systems in user-space. UML uses a modified Linux kernel with its own scheduler and VM system. The UML host Linux kernel is used only for the equivalent of hardware support.) (cvs) (ml) (UMLd daemon to control and manage UML instances) (usermodelinux.org UML news site) (umlsim "UML Simulator". UML extension with an event-driven simulation system and and other functions needed for deterministically controlling the flow of time.) (ml)
Xen (Portable, high-performance, x86 hardware emulator) (ml)
coLinux ("Cooperative Linux". Port of the Linux kernel to the M$ OS family, running as a native w32 process.)
FAUmachine (Portable x86 hardware emulator based on the UML project)
Linux on L4 (L4/x86 and Fiasco microkernels)
DosEmu (Make the GNU/Linux OS run M$ DOS applications) (cvs)
MOL ("Mac On Linux". System to execute the MacOS OS as a native GNU/Linux process, without having to emulate the PPC CPU system)
MkLinux (Linux on Macintosh/OSF-Mach operating systems)

User-space Tools

Util-Linux (Collection of 25+ system utilities needed for running a GNU/Linux system, including: dmesg, fdisk, getty, getopt, hwclock, mkswap, more, namei, setterm and setsid)
udev (User-space tool for having a dynamic /dev directory and persistent device names.)
e2fsprogs (Ext2/3 file system utilities) (ext2resize)
SchedUtils (Collection of tools to manage the Linux scheduling policy: chrt, irqset, srt and taskset)
pciutils (Library for portable access to the PCI bus configuration space and several PCI related utilities)
rlocate (Linux kernel module and user-space tool which acts as a 'locate' command alternative that is always up-to-date)
SIV ("System Information Viewer". Tool to display information from the "/proc" interface) (code browser)
x86info (Utility for querying x86 compatible CPU registers to find indepth information about the processors) (cvs)
ELSA ("Enhanced Linux System Accounting". Framework for monitoring usage of Linux kernel resources by groups of processes.) (cvs) (ml)
Syscalltrack (Kernel module and user-space tool which allows the superuser to intercept and modify invocations of Linux system calls) (ml)
Ethtool (Ethernet based NIC management tool)
ifplugd (Daemon which activates/de-activates the ethernet device when a ethernet cable is plugged-in/pulled-out)
gmodconfig (GNOME based tool for managing Linux kernel modules) (cvs) (ml)
Knetfilter (KDE based graphical front-end for Netfilter)
PowerTweak (Console and GTK+ based interface for tuning Linux kernel and hardware settings) (cvs) (ml)
Ulogd ("User-space packet logging daemon" for Linux Netfilter/IPtables logging) (ml)
Fonmon (Client/server based remote phone monitor via ISDN4Linux) (cvs)
iCam2 (Webcam application built around Video4Linux) (cvs)
qtisdnlinux (Qt based frontend for isdn4linux-utils)
nv-tv-out (GTK+ based utility to setup TV-out support for the NVidia video cards) (cvs) (forum)
NVClock (GTK+ based tool to overclock several NVidia based video cards on GNU/Linux systems)
RivaTV (Initiative to create drivers for the video-in functionality of NVidia based video cards) (cvs) (ml)

Documentation

Included Kernel Documentation
LinuxHQ documentation links
Linux Incompatibility List Initiative to catalog and document hardware devices that do not work with Linux)
Linux Device Drivers (by O'reilly) ("The Linux Kernel Device Model" (For Linux 2.6)
Kernel HowTo
Linux Kernel Book
"A 3D animation of Linux source code development"
Architecture Guide
Internals Guide
Hardware HowTo
Linux Crypto HowTo
Performance Tuning
Ext3 paper
Linux source code metrics
Linux Summit 2001 presentations
Linux connected GPRS service HowTo
Benchmark of ReiserFS
Linux SCSI Information
Large File Support
I2O references (Intelligent Input/Output (I2O) is a hardware specification that describes a model for offloading I/O processing from the CPU. Warning: a non-disclosure agreement (NDA) is needed for I2O developers) (specification web site)
Cryptographic FS manual (CFS)
Rik van Riel's memory management page
Dan Kegel's high-performance network computing document
Solaris Compatible Threads Library Paper
Linux Boot Scripts System (Using the init() and need() system calls)
Linux Advanced Routing & Traffic Control
Packet Filtering HowTo

Obsolete/Abandoned Projects

devfs ("Device File System". System for having a dynamic /dev directory.)
Esky (User-space checkpointing/resume system)
CRAK ("Checkpoint Resume As a Kernel module". Transparent process migration across a network.)
KURT ("KU Real-Time" Linux. Embedded Linux project for firmtime applications.)
Linux Progress Patch (Linux bootstrap screen-theming framework) (cvs)
FOLK (Functionally Overloaded Linux Kernel. Collection of experimental kernel patches) (cvs)
LBS ("Linux Benchmark Suite". Collection of synthetic and application-specific performance benchmarking tests.) (ml)
LMbench (Set of simple, portable benchmarks for kernel measurements) (results)
SchedUtils (A collection of tools related to realtime scheduling. Inactive project.) (cvs)
MC Bug Viewer ('Bug' listings created by using special GCC compiler extentions)
kmdbg (A patchless kernel debugger for x86 compatible systems) (ml)
Line (Run unmodified Linux applications on M$ W32 platforms by intercepting the Linux system calls) (cvs)
FTPFS (Kernel object to mount remote filesystems using a FTP connection) (ml)
Advanced TCA Hotswap (SCSI and FibreChannel Hotswap support project) (ml)
Layer 2 ethernet bridging (Project integrated in Linux 2.4 Netfilter) (ml)
Linux Router
Symbol Spectrum24 (PCMCIA IEEE 802.11 LAN driver) (ml)
MWaveLan (Wavelan IEEE/Orinoco. Driver support for these IEEE 802.11 packages: Lucent Orinoco, Enterasys RoamAbout 802, Elsa AirLancer 11, Melco/Buffalo.)
Umlwin32 (Port of UML to the M$ OS family)
ksmonitor (Tool for monitoring the status of the Linux kernel variables)
FreeS/WAN (IPsec implementation) (ml)
LinSEC (Mandatory Access Control mechanisms for Linux)
FreeBIOS (Free BIOS firmware replacement. Currently only suited for several Intel based CPU's and chipsets. Inactive project.) (cvs) (ml)
kHTTPd (Kernel-space HTTP server) (ml)

Last update: 2008/1/8 (HTML)

Free Software :: Linux Kernel Project

Table of Contents

- General boot loaders

- Boot loaders for embedded systems

- Network boot loaders

- Boot loader related programs

- General

- Chipsets

- Disk Drives

- Bus Systems

- Networking Chipsets (excluding wireless networking chipsets)

- Sound Frameworks

- Sound Chipsets

- Video Frameworks

- Video Chipsets

- Keyboards

- Touch Screens

- Printers

- Image Scanners

- Light Control

- Radio Receivers & Senders

- Digital Camera's (including webcams)

- Portable Music Players

- Misc.

- General

- Network Protocols

- Network Device Drivers

- General

- ACL Systems

- Crypto Systems

- Intrusion Detection Systems