Getting Involved with Arch Linux - A great wiki guide on contributing to Arch Linux
Aurphan - Find orphaned packages in the Arch User Repository
Ubuntu Women - Community in the support of women Ubuntu users and FOSS
Linux Chix - community in support of female Linux users
Pyladies - python programing group for women
Dev Chix - program development community
Women's Coding Collective - women's only collaborate learning community for web development
Rails Girls - Community for women to learn Ruby on Rails
PHP Women - Community for women PHP developers, they offer classes and financial help for conferences
Women in Technology - Women in Technology (WIT) is a not-for-profit organization with the mission of advancing women in technology - from the classroom to the boardroom - by providing advocacy, leadership development, networking, mentoring and technology education.
Lady Geek - bridging the gulf between the people who make and market technology products and the women who buy them.
Gnome Outreach Program for Women - Internships available for women in Open Source Software
Open Hatch - OpenHatch is a non-profit organization with the goals of lowering the barriers to entry into the open source community and increasing diversity. They provide skill training, project listing, and event information.
Ada Initiative - The Ada Initiative supports women in open technology and culture through activities like producing codes of conduct and anti-harassment policies, advocating for gender diversity, teaching allies, and hosting conferences for women in open tech/culture.
Geek Feminism Wiki - A great educational resource on feminist issues in the geek community.
Everyday Sexism - Sexism isn't dead and this project has average women share their experiances.
Empowermentors - skillshare, activism, and discussion network for intersectionally marginalized people of color with a critical interest in technology and media hacking.
Web Anywhere - An online screen reader to make the web more accessible to blind users.