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Sam's guide

Friday, September 25, 2026 · San Francisco

Sam's guide — San Francisco tech events, curated daily

“You can see the future first in San Francisco.”

— Leopold Aschenbrenner, June 2024

Today in SF

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  • On now

    Caravan '26: The most hands-on edition yet.

    $900 · Sold out

  • On now

    Caravan '26: Where Investors find India's AI edge, first.

    $1200 · Approval required

  • On now

    Qdrant @ WeAreDevelopers World Congress San Jose

    Join us at WeAreDevelopers in San Jose! This is not an event ticket Our booth number is 401 Come see us September 24 and 25th Hosted by Qdrant

    San Jose McEnery Convention Center, San Jose · Free

  • On now

    WeAreDevelopers Networking Day (with GitHub)

    Welcome to WeAreDevelopers World Congress North America! Brought to you in Partnership with Docker Three days filled with Networking, Building, Learning, and Growth. Check the full agenda below: Warm-up Day (Free) by GitHub and Presenting partner Docker The Bay Area has no…

    San Jose McEnery Convention Center, San Jose · Free

  • On now

    Ship from Zero Hackathon

    Free · Approval required

  • On now

    Long Horizon Agents Hackathon

    Long-horizon agents still break down over time: they accumulate observations, actions, and stale context until the growing history slows them down, costs more, and makes their own state less reliable.

    Free · Approval required

  • On now

    CIMC Hackathon: Lattice Animals

    Free · Approval required

  • On now

    AWS YouthTech Workshop

    Northeastern University Silicon Valley, San Jose · Free · Sold out

This Week in Tech

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  • On now

    Big Earth Hackathon Workshop: Spatial Data 101 - Intro to Points, Lines, Polygons & Pixels

    Interested in working with spatial data at Stanford but not sure where to start? This introductory workshop provides a quick foundation in spatial data science while introducing the spatial data, software, imagery, and analysis resources available to the Stanford community…

    Free · Approval required

  • Today · 3:00 PM

    Founders Inc: Lab Tour

    San Francisco · Free · Approval required

  • Today · 5:00 PM

    build fridays sf x clickhouse + langfuse — work on your startup alongside others

    Build Fridays SF 5–9 pm at ClickHouse HQ, San Francisco. Bring your laptop. What it is A bi-weekly Friday gathering for people actively building startups, products and ambitious projects. Grab some free food, free coworking space and work alongside other builders.

    220 Montgomery St · Free · Approval required

  • Today · 6:00 PM

    Climate & Pizza: The Human Footprint of Energy Innovation ⚡🧠

    Where is the energy transition actually taking us, and how does it impact the communities we live in? Join us for an engaging evening exploring the intersection of energy infrastructure, emerging tech trends, and human-centered policy.

    The Treehouse, Stanford · Free

  • Today · 6:00 PM

    Voice AI for Real Life - Members +3

    Voice AI for Real Life: Community Discovery is the first event in a three-part series presented by NemulAI x Lynkable, bringing together founders, builders, operators, and community leaders to explore the real-world problems voice technology should solve next.

    Frontier Tower @ Human Flourishing Back Salon 995 Market Street

  • Tomorrow · 7:00 AM

    Claude Code: Ship Your First AI Agent

    Click to join: https://luma.com/join/g-iw4ApDt9JXF2CO1 Stop Prompting, Start Building: From Idea to Working AI Agent in 60 Minutes You've used ChatGPT. You've prompted Claude. Now build something that runs itself.

    Free

  • Tomorrow · 8:00 AM

    Berkeley Ruby Early Birds

    Royal Ground Coffee, Berkeley · Free

  • Tomorrow · 9:00 AM

    Builders who Run SF — 5K

    Builders who Run is an informal and international running club. This is our 124th week in a row doing BWR SF. Gear up for a chill 5k run with new and old builder friends at Golden Gate Park! We meet at 9 am and kickstart at 9:10 am sharp.

    Free · Approval required

  • Tomorrow · 9:30 AM

    Founders Running Club: SF

    Founders Running Club (FRC) brings founders, investors, tech, creative people and startup enthusiasts together for weekly easy runs and networking. We'll run 5 or 10km at your conversational pace.

    Maritime Museum · Free

  • Tomorrow · 10:00 AM

    Bayview 3rd Street Cleanup

    Join the Civic Joy Fund, Refuse Refuse, SF Public Works, and the Bayview community for a friendly neighborhood cleanup!

    All Good Pizza, Bayview · Free

  • Tomorrow · 10:00 AM

    Showerhacks

    An SF 🌉 hackathon where the winner gets to take a shower 🚿 🥇 1st place: $1000 + a refreshing shower 🥈 2nd place: $500 🥉 3rd place: $225 Food provided 🍕 And the top 30% of teams will be invited to the afterparty 🎉🫣 This is a hackathon for absurdly creative and interesting…

    Entrepreneurs First · Free · Approval required

  • Tomorrow · 10:30 AM

    Bagels and Bricks

    488 Bryant St · Free

The Weekend

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  • Sep

    25

    Beyond Payment: The Changing Customer, The Changing Merchant

    2:00 PM · 2665 N First St, San Jose · Free

  • Sep

    25

    Second Brain AI Salon #08 - Can AI Make Us Better Thinkers? Debate, Cognition & the Future of Human Reasoning

    4:00 PM · ​LinkedIn San Francisco 1st Floor P… · Free

  • Sep

    25

    Agent Builder Social

    6:00 PM · Free

  • Sep

    25

    More Code Than Anyone Can Check – Software Engineering in the Age of AI

    6:00 PM · FalconX Gateway, Milpitas · Free

  • Sep

    25

    Building for Resilience: What Makes a Company Hard to Kill

    6:00 PM · San Francisco · Free

  • Sep

    25

    Gullie x Datacurve Private Dinner: Founders, AI Researchers & Engineers

    6:00 PM · 140 Geary St

Plan Ahead

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  • Oct

    2

    🍻 SupaNerds - Dreambase HH

    6:00 PM · Standard Deviant Brewing Pier 70 · Free

  • Oct

    2

    F26 Founders Game & Paint Night

    6:00 PM · Corgi Cafe · Free

  • Oct

    3

    Supabase Select 2026 Hackathon

    9:00 AM · 580 20th St · Free

  • Oct

    3

    Rethinking Agents: Special Edition — What Happens When AI Starts Building With You?

    2:00 PM · Stanford University, Stanford · Free

  • Oct

    3

    Bubble Lab (YC W26) X Lunatechs - Pretty Cool Demos and Pre-Tech Week Social!

    6:00 PM · European Startup Embassy · Free

  • Oct

    4

    Nordic AI Frontiers @ SF TECH WEEK

    7:00 AM · San Francisco · Free

  • Oct

    5

    The MCP Gateway during SF a16z TechWeek

    9:30 AM · JOE & THE JUICE · Free

  • Oct

    5

    AI-POWERED NETWORKING

    5:00 PM · 300 Montgomery St, Financial District · $10

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