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We urge FOSS Developers to Give Up GitHub! Learn why.
Outreachy
We offer internships for anyone who faces underrepresentation, systemic bias, or discrimination in the tech industry.
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We provide non-profit infrastructure and services to our members creating Free/Libre and Open Source Software.
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Our tool for evaluating the source code candidates companies must provide for GPLed software.
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We designed and built the first ever wireless Internet router designed with software freedom and right to repair in mind.
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A bi-weekly oggcast about legal, policy, and many other issues in the Free, Libre, and Open Source Software (FLOSS) world.
Glossary of Terms
A list of terms you might be unfamiliar with but occur frequently in our work.
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Your most frequently asked questions about the Vizio lawsuit, answered in one place.
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●News
Press Releases
Press
Blog
Vizio Lawsuit in the News
Our Issues in the News
●About
Sponsors
Sustainers
Board of Directors
Staff
Evaluation Committee
Outside Counsel, et alia
Transparency
Contact
●Our Work
Copyleft Compliance
We defend and uphold the rights of software users and consumers under copyleft licenses.
Impact Litigation
We defend the legal rights of software users. Learn the details, status, and stakes of our court cases.
Give Up GitHub
We urge FOSS Developers to Give Up GitHub! Learn why.
Outreachy
We offer internships for anyone who faces underrepresentation, systemic bias, or discrimination in the tech industry.
FOSSY
Our annual community-oriented conference focused on the creation and impact of free and open source software.
●Tools
Member Projects
We provide non-profit infrastructure and services to our members creating Free/Libre and Open Source Software.
Use The Source
Our tool for evaluating the source code candidates companies must provide for GPLed software.
OpenWrt One
We designed and built the first ever wireless Internet router designed with software freedom and right to repair in mind.
●Learn
The Corresponding Source
A bi-weekly oggcast about legal, policy, and many other issues in the Free, Libre, and Open Source Software (FLOSS) world.
Glossary of Terms
A list of terms you might be unfamiliar with but occur frequently in our work.
FAQ About the Vizio Lawsuit
Your most frequently asked questions about the Vizio lawsuit, answered in one place.
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Current Projects
ArgoUML is the leading open source UML modeling tool and includes
support for all standard UML 1.4 diagrams. It runs on any Java platform
and is available in ten languages. See the feature list for more details.
Backdrop CMS is a Drupal fork with a focus on features, performance,
and usability. Backdrop puts the needs of the small to medium sized
businesses and non-profits first. Backdrop contains more of the
features this audience wants—and fewer they don’t—to ensure they
can still afford a fantastic Open Source Content Management System.
The Bongo Project is creating fun and simple mail, calendaring and
contacts software: on top of a standards-based server stack; we're
innovating fresh and interesting web user interfaces for managing
personal communications. Bongo is providing an entirely free software
solution which is less concerned with the corporate mail scenario and
much more focused on how people want to organize their lives.
Buildbot is a freely-licensed framework which enables software
developers to automate software build, test, and release processes for their
software projects. First released in 2003, Buildbot is used by leading
software projects around the world to automate all aspects of their
software development cycle.
BusyBox combines tiny versions of many common UNIX utilities into a
single small executable. It provides replacements for most of the
utilities you usually find in GNU fileutils, shellutils, etc. The
utilities in BusyBox generally have fewer options than their
full-featured GNU cousins; however, the options that are included
provide the expected functionality and behave very much like their GNU
counterparts. BusyBox provides a fairly complete environment for any
small or embedded system.
BusyBox has been written with size-optimization and limited
resources in mind. It is also extremely modular so you can easily
include or exclude commands (or features) at compile time. This makes
it easy to customize your embedded systems. To create a working
system, just add some device nodes in /dev, a few configuration files
in /etc, and a Linux kernel.
The Common Workflow Language (CWL) is a specification for describing
analysis workflows and tools in a way that makes them portable and scalable
across a variety of software and hardware environments, from workstations to
cluster, cloud, and high performance computing (HPC) environments. CWL is
designed to meet the needs of data-intensive science, such as
bioinformatics, medical imaging, astronomy, physics, and chemistry.
coreboot is an extended firmware platform that delivers lightning fast
secure boot on modern computers and embedded systems. As an open source
project it provides auditability and maximum control over the computers that
run it. It is industrial-strength firmware that secures more 30 million
shipped devices, including personal computers, headless servers, tablets,
and Internet of Things devices.
Darcs is a distributed revision control system written in Haskell. In
Darcs, every copy of your source code is a full repository, which allows for
full operation in a disconnected environment, and also allows anyone with
read access to a Darcs repository to easily create their own branch and
modify it with the full power of Darcs' revision control. Darcs is based on
an underlying theory of patches, which allows for safe reordering and
merging of patches even in complex scenarios. For all its power, Darcs
remains a very easy to use tool for every day use because it follows the
principle of keeping simple things simple. Darcs is free software
licensed under the GNU GPL.
The Debian Copyright Aggregation Project offers contributors to
the Debian project the optional
opportunity, regarding their works contributed to Debian, to assign
copyrights or sign a license enforcement agreement (which delegates to
Conservancy the authority of license enforcement). The Project also
creates an ongoing relationship between Conservancy and Debian, wherein
Conservancy offers Debian its expertise and advice on software licensing,
enforcement, and related issues.
Etherpad is is a highly customizable web-based editor providing
collaborative real-time editing.
FreeDV is a suite of open source software and accompanying hardware for
digital voice communication over HF radio. It consists of a voice codec
(Codec 2), HF data modems, framing, and forward error correction software.
It is implemented as a software library (libcodec2), that can be linked
with 3rd party digital voice applications or embedded inside software
defined radios.
Gevent is a fast, coroutine-based networking library for Python.
Gevent is used in network applications, including servers that scale
up to tens thousands of connections but without the complexity usually
associated with event-driven architecture.
Gevent provides light-weight “green” threads with a similar
interface as the standard “threading” and
“multiprocessing” packages. The library includes a DNS
resolver, a WSGI server, a monkey patching utility to make 3rd party
protocol implementations cooperative and support for SSL sockets.
Git is a free and open source distributed version control system
designed to handle everything from small to very large projects with
speed and efficiency.
Every Git clone is a full-fledged repository with complete history and
full revision tracking capabilities, not dependent on network access
or a central server. Branching and merging are fast and easy to do.
Git is used for version control of files, much like tools such as
Mercurial, Bazaar, Subversion, CVS, Perforce, and Visual SourceSafe.
The GPL Compliance Project for Linux Developers is comprised of
copyright holders in the kernel, Linux, who have contributed to Linux
under its license, the GPLv2. These copyright holders have formally asked
Conservancy to engage in compliance efforts for their copyrights in the
Linux kernel.
Harvey is a new operating system. It’s most directly descended from Plan 9, the research operating system developed at Bell Labs as a successor to Unix. This influence spans from its distributed application architecture all the way down to much of its code. However, Harvey aims to be a more practical, general-purpose operating system, so it also uses ideas and code from other systems.
Harvey strives to provide an accessible development environment. The kernel is compact—less than 100,000 lines of code. You can build it with either GCC or LLVM, and run it under QEMU or real hardware. This makes it especially suitable for education and experimentation. It is a work in progress and the development team welcomes new contributors and ideas.
Houdini is an all-in-one fundraising platform developed in Ruby on Rails. It’s licensed under AGPL/LGPL
and is available, without cost, to anyone in the world. We help nonprofits, people, and movements thrive and
maintain themselves.
Inkscape is an Open Source vector graphics editor, with capabilities
similar to Illustrator, Freehand, CorelDraw, or Xara X using the
open-standard Scalable Vector Graphics (SVG) file format. Inkscape's
main goal is to create a powerful and convenient drawing tool fully
compliant with XML, SVG, and CSS standards.
In contrast to raster (bitmap) graphics editors such as Photoshop or
Gimp, Inkscape stores its graphics in a vector format. Vector graphics
is a resolution-independent description of the actual shapes and
objects that you see in the image. This description is then used to
determine how to plot each line and curve at any resolution or zoom
level.
The Institute for Computing in Research runs a mentoring program that
trains students finishing 10th, 11th and 12th grade to do rigorous
scientific research using free software. The Institute recruits students who
might not otherwise have access to scientific apprenticeships, offers them a
stipend and pairs them with volunteer mentors who train them to use free
software operating systems and research tools.
K-3D is the free-as-in-freedom 3D modeling, animation, and rendering
system for GNU/Linux, MacOSX, and Windows operating systems. K-3D is based
on a powerful Visualization Pipeline that enables procedural modeling and
a robust plugin architecture, and is designed to scale to the needs of
professional artists.
Kallithea is a free software source code management system supporting two
leading version control systems, Mercurial and Git. Kallithea hosts your
code, manages access control lists and provides an easy web interface to the
version control system of your choice.
The Liblouis software suite provides an open-source
braille translator, back-translator and formatter for a large number of
languages and braille codes. It is a set of libraries designed for use
in any of a number of applications, both free and commercial. It is
written in C so that it does not require a runtime environment and
hence can be used in applications written in high-level languages such
as Java and Python.
LibreHealth is the foundation of a worldwide ecosystem of free and open
source Health IT innovation, and is a place where people can come together
to build tools that enhance the quality of healthcare around the
world. LibreHealth projects currently include: LibreHealth Toolkit, a
foundational base for building Health IT tools; LibreHealth EHR, an
electronic health record derived from best practices and technology from
leading open source systems; and LibreHealth Radiology, a specialized
distribution of Toolkit customized for radiology health care
professionals.
libssh is a multiplatform C library implementing the
SSHv2 protocol for client and server side. With libssh, you can build
applications to remotely execute programs, transfer files, use a
secure and transparent tunnel, manage public keys and much more.
Linux XIA is a new protocol stack for Linux built using eXpress Internet
Architecture (XIA), an interoperable meta network architecture. Linux XIA is
designed to meet unfulfilled demands of real-world networking. The project's
roadmap includes the development of a DDoS protection system, and the
addition of state-of-the-art algorithms and data structures to increase
Linux XIA's speed and flexibility.
Mercurial is a fast, lightweight Source Control Management system
which can track revisions to software during development. Since its
conception in April 2005, Mercurial has been adopted by many projects
for revision control, including Xen, One Laptop Per Child, and the
Advanced Linux Sound Architecture (ALSA). Mercurial runs on Unix-like systems, Mac
OS X, and Windows computers, and it is licensed under the GNU General
Public License.
Metalink is dedicated to improving downloads. Metalink makes it much
easier for people — especially those in areas with inferior Internet
connections — to download Open Source and Free Software. Metalink
increases the effectiveness and efficiency of downloads by combining the
speed, bandwidth distribution, and redundancy of an optimized hybrid
mirror/peer-to-peer network, without any questions of legality, integrity,
or safety.
MicroBlocks is a new programming language that runs right inside microcontroller boards such as the micro:bit, the NodeMCU and many Arduino boards. The MicroBlocks system allows for dynamic, parallel and interactive programming, but with the twist of letting your projects run autonomously inside the board without being tethered to a computer.
OpenTripPlanner is the leading open source platform for multimodal trip
itinerary planning and network analysis. Launched in 2009, OpenTripPlanner
has since attracted a thriving community of users and developers, with live
deployments now found in twelve countries. OpenTripPlanner provides a
multimodal trip planner allowing users to plan trips using a variety of
transportation modes. Additionally, OpenTripPlanner has features for
transportation analysis, including measures of mobility and accessibility.
The OpenWrt Project is a Linux-based operating system targeting embedded
devices. Instead of trying to create a single, static firmware, OpenWrt
provides a fully writable filesystem with package management. This frees you
from the application selection and configuration provided by the vendor and
allows you to customize the device through the use of packages to suit any
application. For developers, OpenWrt is the framework to build an
application without having to build a complete firmware around it; for users
this means the ability for full customization, to use the device in ways
never envisioned.
Outreachy helps people from groups underrepresented in free and open
source software get involved by providing a supportive community for
newcomers to contribute to throughout the year, and by offering focused
internship opportunities twice a year with many free software organizations.
phpMyAdmin is a free and open source web interface for the MySQL and
MariaDB database systems. Frequently used operations
(managing databases, tables, columns, relations, indexes, users,
permissions, etc) can be performed via the user interface, while you
still have the ability to directly execute any SQL statement.
Since its first release in September 1998, phpMyAdmin has been adopted
by many web host providers, and has translations underway for more than
seventy languages.
QEMU is a generic and open source machine emulator and
virtualizer. When used as a machine emulator, QEMU can run OSes and
programs made for one machine (e.g. an ARM board) on a different
machine (e.g. your own PC). By using dynamic translation, it achieves
very good performance. When used as a virtualizer, QEMU achieves near
native performances by executing the guest code directly on the host
CPU. QEMU supports
virtualization when executing under the Xen hypervisor or using the
KVM kernel module in Linux. When using KVM, QEMU can virtualize x86,
server and embedded PowerPC, and S390 guests.
Reproducible Builds are a set of software development practices that create an independently verifiable path
from source code to the binary code used by computers. This is especially useful for developers collaborating
on privacy or security software employed by politically sensitive targets such as dissidents, journalists and
whistleblowers, or anyone wishing to communicate securely under a repressive regime.
Samba is a FOSS suite that provides seamless file and print
services to SMB/CIFS clients, namely, to Microsoft Windows. Samba is
freely available, unlike other SMB/CIFS implementations, and allows
for interoperability between Linux/Unix servers and Windows-based
clients. Samba is software that can be run on a platform other than
Microsoft Windows. For example, Samba runs on Unix, GNU/Linux, IBM
System z, Solaris, Mac OS X, and OpenVMS, among others. It is
standard on virtually all distributions of GNU/Linux and is commonly
included as a basic system service on other UNIX-based systems as
well. Samba uses the TCP/IP protocol that is installed on the host
server.
One of the key goals of the project is to remove barriers to
interoperability. Samba is a software package that gives network
administrators flexibility and freedom in setup, configuration, choice
of systems, and equipment. Samba is released under the GPL.
Selenium is a suite of tools for browser automation. It is composed of
“IDE”, a recording and playback mechanism,
“WebDriver” and “RC” which provide APIs for
browser automation in a wide variety of languages, and “Grid”,
which allows many tests using the APIs to be run in parallel. It works
with most browsers, including Firefox, Internet Explorer, Google Chrome,
Safari and Opera.
Sourceware is a Free Software hosting project for toolchain and
developer tools. Free Software needs Free Infrastructure. It is
our goal to offer a worry-free, friendly home for Free Software
projects.
Squeak is a modern, open source, full-featured implementation of
the powerful Smalltalk programming language and environment. Squeak is
highly-portable - even its virtual machine is written entirely in
Smalltalk making it easy to debug, analyze, and change. Squeak is the
vehicle for a wide range of projects from multimedia applications,
educational platforms to commercial web application development.
The Survey Open Source (SurveyOS) Project is a non-profit project of
the Software Freedom Conservancy dedicated to fostering cooperation
between land surveyors and GIS professionals through the development of
open source software and open technology standards. The SurveyOS Project
currently devotes programming efforts and source code to the open source
desktop GIS program known as OpenJUMP. It also dedicates a set of AutoLISP
source code via the GPL that can be used to add surveying and geospatial
functionality to other software.
SWIG is a software development tool that connects programs written in C
and C++ with a variety of high-level programming languages. SWIG is used
with different types of languages including common scripting languages
such as Perl, PHP, Python, Tcl and Ruby. The list of supported languages
also includes C#, Java, Lua, Octave and R amongst others. SWIG is most
commonly used to create high-level interpreted or compiled programming
environments, user interfaces, and as a tool for testing and prototyping
C/C++ software.
Teaching Open Source (TOS) exists to support instructors and FLOSS community
members who desire to support student involvement in FLOSS projects
within academic institutions. The TOS community is supported by a web
site, mailing list, and planet and welcomes new community members from
both academia and FLOSS projects.
U-Boot is the "universal boot loader". A critical piece of free software,
making sure that a free bootloader can exist for myriad devices and chipsets.
Existing for over 25 years, U-Boot has shown a longevity and quality of
release that is enviable for free software projects. Joining other SFC
projects like coreboot, OpenWrt, and Sourceware, U-Boot helps preserve as
much freedom on our devices as possible.
Wine is an Open Source implementation of the Windows API on top of
X and Unix. It is a compatibility layer for running Windows
programs. Wine does not require Microsoft Windows, as it is a
completely free alternative implementation of the Windows API
consisting of 100% non-Microsoft code, however Wine can optionally use
native Windows DLLs if they are available. Wine provides both a
development toolkit for porting Windows source code to Unix as well as
a program loader, allowing many unmodified Windows programs to run on
x86-based Unixes, including Linux, Mac OS X, FreeBSD, and Solaris.
Xapian is a highly adaptable toolkit which allows developers to
easily add advanced indexing and search facilities to their own
applications. It has built-in support for several families of weighting
models and also supports a rich set of boolean query operators.
The X.Org project provides an open source implementation of the X Window System. The development work is being done in conjunction with the freedesktop.org community.
What We Do
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Privacy Policy last updated 22 December 2020.
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