- Fitness And WellnessTrack Friday Track ClubTrack Friday is a national movement of active awareness for charities, held on the day after Thanksgiving. On Track Friday, people across the country are encouraged to head out for a run or walk at a local track, park or running path, and to make a donation of any amount to any charity.
- Fitness And WellnessTransports Wednesday WarriorsTRANSPORTS is the East Bay’s premier Running and Swimming specialty store and has been proudly serving the Bay Area’s running and swimming community since 1982.
- Arts And CraftsTreadles to Threads Spinners GuildAn informal but active spinning guild that welcomes new and experienced spinners, as well as those who want to learn to spin. Hosts the annual Fiber Frolic fiber arts festival.
- Sports And RecreationTrinity Dodgeball LeagueTrinity Dodgeball is an Oakland adult sports League that connects people through the great game of dodgeball.
- Fitness And WellnessTrivalley Running Club (TVRC)A group of passionate runners in the SF Bay Area (East Bay, South Bay, and Peninsula) offering free year-round group runs, half marathon training, and race pacing.
- Social And MeetupsTwins by the BayTwins by the Bay is a non-profit, member-run support group for parents of multiples (twins, triplets, etc.) in the East Bay.
- Sports And RecreationUnited Flyers of Sonoma (UFOS) Disc Golf ClubFounded in 1976 on the campus of Sonoma State University, UFOS is a not-for-profit organization dedicated to promoting the sport of disc golf in the North Bay; offers weekly tournaments at its courses, a putting league, and marksman challenge.
- Culture And LanguageUnited German-American Societies of San Francisco and Vicinity (UGAS SF)Umbrella organization of 14 German-American member organizations in the wider San Francisco Bay Area between Santa Rosa and San Jose, founded in 1890; main event is the annual German Day celebration.
- Fitness And WellnessUnited in Stride
- Science Tech And NatureUnity User Group: San FranciscoOfficial Unity user group supporting local game, app, and media creators across the Bay Area.
- Volunteering And CausesUrban Forest FriendsWe inspire and support people to come together to plant and care for trees.
- Science Tech And NatureUX San FranciscoUX and technology-design meetup covering design systems, AR/VR, data visualization, AI, ethics, and more.