- Volunteering And CausesAssistance League of San JoseVolunteer philanthropic organization (EIN 95-1945908) whose member volunteers run programs benefiting children and the community in the San Jose area, funded through events like Dining for Dollars.
- Games And TabletopBackgammon By the BayBay Area backgammon club listed through the U.S. Backgammon Federation club directory.
- Arts And CraftsBATS ImprovSan Francisco's center for improvised theater, offering shows, classes, and corporate training.
- Music Dance And PerformanceBay Area A CapellaRobert Lee (rleevoice.com) is passonate about music and creating community. His goals: to get adults singing, and to create fulfilling a cappella experiences for singers at all levels.
- Sports And RecreationBay Area Adult Soccer LeagueThe premier adult soccer league in the San Francisco Bay Area. Community, inclusivity, and high-quality play since day one.
- Science Tech And NatureBay Area Android DeveloperAndroid developer community focused on latest Android best practices for beginner to advanced developers.
- Outdoors And AdventureBay Area Climbers CoalitionThe Bay Area Climbers Coalition (BACC) is a volunteer-run 501(c)(3) nonprofit organization working to preserve access to local outdoor areas through stewardship, community building, and educational programming.
- Sports And RecreationBay Area Cricket AllianceRegional cricket league/community organizing cricket competition and clubs across the Bay Area.
- Sports And RecreationBay Area Disc AssociationThe Bay Area Disc Association is a nonprofit that runs youth and adult ultimate frisbee leagues, tournaments, summer camps, clinics, and events.
- Outdoors And AdventureBay Area DragonsDragon boat racing team and nonprofit foundation offering paddling activities and free lessons.
- Career And NetworkingBay Area Editors’ ForumProfessional community and directory for editors in the San Francisco Bay Area.
- Science Tech And NatureBay Area Haskell & Functional Programming User GroupTalks and events for Haskell, type theory, functional programming, Scala, Nix, and related topics.