- Food And DrinkSan Francisco Homebrewers GuildSF's top homebrew club, welcoming everyone from beginners to competitive brewers, with educational events, homebrew shares, brewery tours, group brew days, club-only competitions, BJCP classes, and homebrew shop discounts.
- Culture And LanguageSan Francisco Italian Athletic ClubHistoric Italian fraternal/social club and cultural/community institution in North Beach.
- Science Tech And NatureSan Francisco Kotlin MeetupMeetup for Kotlin, best practices, and the Kotlin ecosystem.
- Science Tech And NatureSan 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 NatureSan 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.