- Science Tech And CodingSan Francisco Linux Users’ GroupDiscussion group focused on Linux and related open-source technologies, news, and community conversations.
- Social And MeetupsSan Francisco Meccano ClubA club for enthusiasts of the Meccano model building system, meeting regularly to share models and ideas.
- Social And MeetupsSan Francisco Model Yacht ClubThe San Francisco Model Yacht Club promotes the building and sailing of model yachts, with regular events at Spreckels Lake.
- Science Tech And CodingSan Francisco MuleSoft Meetup GroupMuleSoft meetup group for people interested in integration, automation, API management, and MuleSoft products.
- Outdoors And AdventureSan Francisco Outrigger Canoe ClubCompetitive Hawaiian outrigger canoe club practicing and racing on the San Francisco Bay.
- Social And MeetupsSan Francisco Parents of MultiplesParent community for families with twins, triplets, or higher-order multiples in San Francisco.
- Volunteering And CausesSan Francisco Parks AlliancePark-support organization with volunteer opportunities, community projects, and park-lover engagement across San Francisco.
- Music Dance And PerformanceSan Francisco Pride BandLGBTQ+ and allied community band with rehearsals, performances, and community events.
- Arts And CraftsSan Francisco Quilters GuildQuilting guild with member activities, quilt shows, meetings, and related fiber arts programming.
- Outdoors And AdventureSan Francisco RandonneursOrganizing long-distance cycling events (brevets) in Northern California, affiliated with Randonneurs USA.
- Sports Wellness And RecreationSan Francisco Road Runners ClubThe San Francisco Road Runners Club (SFRRC) is the biggest running club in San Francisco, with members of all backgrounds and paces. Our mission is to build and strengthen the running community in San Francisco while inspiring and supporting people in the process. We are passionate about running and strive to be fun, kind, and inclusive.
- Social And MeetupsSan Francisco Rose SocietyDedicated to the cultivation and appreciation of roses, this club offers workshops, rose shows, and expert advice for local gardeners.
- Music Dance And PerformanceSan Francisco Scottish FiddlersCommunity of Scottish fiddlers and musicians with rehearsals, performances, and cultural music events.
- Sports Wellness And RecreationSan Francisco Soccer Football LeagueLong-running San Francisco soccer league and club community for adult soccer.
- Science Tech And CodingSan Francisco SOLIDWORKS User GroupSOLIDWORKS user group providing an active learning and networking space for engineering software users.
- Sports Wellness And RecreationSan Francisco Spikes Soccer ClubInclusive LGBTQIA+ soccer club offering competitive, intermediate, and recreational programming.
- Sports Wellness And RecreationSan Francisco Stars Netball ClubBay Area netball club for training, competition, and social netball community.
- Sports Wellness And RecreationSan Francisco Table Tennis ClubA community for table tennis enthusiasts of all levels, offering open play, leagues, and coaching.
- Sports Wellness And RecreationSan Francisco Triathlon ClubCommunity triathlon club with training, social events, race support, and multisport community.
- Science Tech And CodingSan Francisco TypeScript MeetupTypeScript, JavaScript, frontend, Node, and programming community.
- Arts And CraftsSan Francisco Underwater Photographic SocietyA group of underwater photographers and videographers dedicated to exploring and documenting the marine environment.
- Books And WritingSan Francisco Writers ConferenceThe San Francisco Writers Conference is dedicated to empowering writers by creating opportunities for meaningful connections with publishers, editors, agents, and more. Our goal is to help writers become published authors as we help them become better at the craft of writing and the business of publishing.
- Games And TabletopSan Jose Bridge Club (Silicon Valley Bridge, ACBL Unit 507)ACBL Unit 507 (Silicon Valley Bridge) duplicate bridge club offering weekly face-to-face games for players at every masterpoint level plus online ACBL games.
- Sports Wellness And RecreationSan Jose Buddhist Judo ClubEstablished in 1947, one of the oldest judo clubs in the Bay Area with a reputation for producing champions; provides quality judo instruction at minimum cost to male and female students 7 years and older.
- Sports Wellness And RecreationSan Jose FitStructured running and walking training club for half marathon, marathon, and shorter distances.