Community

Twitter supports a number of open source organizations and communities with contributions or official membership. Please reach out to @TwitterOSS if you're interested in us sponsoring your organization.
The Ada Initiative is a non-profit organization that seeks to increase women's participation in the free culture movement, open source technology and open culture. Twitter is proud to support the Ada Initiative via sponsoring of AdaCamps.
Apache - The ASF
Apache Software Foundation
The Apache Software Foundation (@TheASF) is made up of nearly 100 top level projects that cover a wide range of technologies. The ASF provides organizational, legal and financial support for those projects. At Twitter, we're proud to contribute to a few of those projects.
JCP
Java Community Process
The Java Community Process (@jcp_org) is the mechanism for developing standard technical specifications for Java technology. Twitter is a major consumer of Java technology and pleased to be a member of the JCP.
The Linux Foundation (@linuxfoundation) is a nonprofit consortium dedicated to fostering the growth of Linux. We support the foundation and its goals via its open source compliance program.
The Open Invention Network (OIN) promotes Linux by using patents to create a collaborative environment. Twitter is a proud member and supporter.
The Open Source Initiative (OSI) are the stewards of the Open Source Definition (OSD) and the community-recognized body for reviewing and approving licenses as OSD-conformant. They are also actively involved in open source community building, education and public advocacy to promote awareness and the importance of non-proprietary software. We are proud to support their efforts.
owasp
Open Web Application Security Project
The Open Web Application Security Project (OWASP) is a 501(c)(3) worldwide not-for-profit charitable organization focused on improving the security of software. Twitter supports the OWASP mission to make software security visible, so that individuals and organizations worldwide can make informed decisions about true software security risks.
FOSS for Women
Outreach Program for Women
We are proud to be a Promoter of the Free and Open Source Software Outreach Program for Women (OPW) organized by the GNOME Foundation.
Conservancy
Software Freedom Conservancy
Software Freedom Conservancy is a 501(c)(3) not-for-profit organization that helps promote and defend Free, Libre and Open Source Software (FLOSS) projects. We are proud to support the efforts of the Conservancy.
Travis CI is a hosted continuous integration service for the open source community. It is integrated with GitHub and offers first class support for a variety of languages. We use Travis CI as the build system of choice for many of our open source projects and we are proud to support their organization.
W3C
World Wide Web Consortium (W3C)
The World Wide Web Consortium (W3C) is the main international standards organization for the World Wide Web. Twitter supports the W3C as a member and participation through the Web Application Security Working Group to improve security across the web.