Free science & tech Events and Things to do in San Francisco, CA

Search for something you love or check out popular events in your area.

Sales end soon
Out in Tech SF Bay Area | Pride at the Sun: SF Happy Hour 2026
Tuesday at 5:00 PM
San Francisco · Midnight Sun
Sales end soon
Out in Tech SF Bay Area | Pride at the Sun: SF Happy Hour 2026
Tuesday at 5:00 PM
San Francisco · Midnight Sun
Almost full
QBI Hackathon 2026: Main Event
Sat, Jun 27, 9:00 AM
San Francisco · Mission Hall UCSF
Almost full
QBI Hackathon 2026: Main Event
Sat, Jun 27, 9:00 AM
San Francisco · Mission Hall UCSF
Sales end soon
California Girls STEM Collaborative Networking Event in San Francisco!
Tomorrow at 4:00 PM
San Francisco · Mission Science Workshop - Excelsior Site
Sales end soon
California Girls STEM Collaborative Networking Event in San Francisco!
Tomorrow at 4:00 PM
San Francisco · Mission Science Workshop - Excelsior Site
Pier 96 EV Truck Charging Preview
Today at 3:00 PM
San Francisco · Southeast Community Center - Alex Pitcher Pavilion
Pier 96 EV Truck Charging Preview
Today at 3:00 PM
San Francisco · Southeast Community Center - Alex Pitcher Pavilion
2026 Open Healthware Conference
Thu, Jul 9, 9:00 AM
San Francisco · Gray Area / Grand Theater
2026 Open Healthware Conference
Thu, Jul 9, 9:00 AM
San Francisco · Gray Area / Grand Theater
Astronomy lecture: Water Above, Water Below, Water Within
Wed, Jun 17, 7:00 PM
San Francisco · Randall Museum
Astronomy lecture: Water Above, Water Below, Water Within
Wed, Jun 17, 7:00 PM
San Francisco · Randall Museum
Minds in Motion: David Sussillo
Tomorrow at 5:00 PM
San Francisco · SoMa
Minds in Motion: David Sussillo
Tomorrow at 5:00 PM
San Francisco · SoMa
Staying Secure in a Digital World: Building Cyber-Aware Communities
Sat, Jun 13, 4:00 PM
Aba · Hotel De Lapez, Aba
Staying Secure in a Digital World: Building Cyber-Aware Communities
Sat, Jun 13, 4:00 PM
Aba · Hotel De Lapez, Aba
Operational AI: Real-Time Analytics in Production (SF)
Thu, Jun 18, 6:00 PM
San Francisco · 2360 3rd St
Operational AI: Real-Time Analytics in Production (SF)
Thu, Jun 18, 6:00 PM
San Francisco · 2360 3rd St
Yerba Buena Speaker Series: Astro Everywhere with Josh Roberts
Tue, Jul 21, 6:00 PM
San Francisco · 221 4th St
Yerba Buena Speaker Series: Astro Everywhere with Josh Roberts
Tue, Jul 21, 6:00 PM
San Francisco · 221 4th St
Presentation: Hope after Climate Catastrophe: Lessons from Hurricane Helene
Thu, Jul 23, 6:00 PM
San Francisco · Main Library - San Francisco Public Library
Presentation: Hope after Climate Catastrophe: Lessons from Hurricane Helene
Thu, Jul 23, 6:00 PM
San Francisco · Main Library - San Francisco Public Library
Tour of San Francisco's Southeast Wastewater Treatment Plant
Fri, Jun 12, 10:00 AM + 4 more
San Francisco · 750 Phelps St
Tour of San Francisco's Southeast Wastewater Treatment Plant
Fri, Jun 12, 10:00 AM + 4 more
San Francisco · 750 Phelps St
School/Group Tour of San Francisco's Southeast Wastewater Treatment Plant
Fri, Jun 26, 10:00 AM + 4 more
San Francisco · 750 Phelps St
School/Group Tour of San Francisco's Southeast Wastewater Treatment Plant
Fri, Jun 26, 10:00 AM + 4 more
San Francisco · 750 Phelps St
2026 Global Innovation Show & Summit · Hong Kong（HK Enterprises）
Tue, Aug 25, 9:00 AM
hongkong · Hong Kong AsiaWorld-Expo
2026 Global Innovation Show & Summit · Hong Kong（HK Enterprises）
Tue, Aug 25, 9:00 AM
hongkong · Hong Kong AsiaWorld-Expo
Yerba Buena Speaker Series: Circularity in Action
Tue, Nov 10, 6:00 PM
San Francisco · 221 4th St
Yerba Buena Speaker Series: Circularity in Action
Tue, Nov 10, 6:00 PM
San Francisco · 221 4th St
[TEMPLATE] User Group Meeting - Month Year
Sat, Jan 1, 10:00 AM
San Francisco · Moscone Center
[TEMPLATE] User Group Meeting - Month Year
Sat, Jan 1, 10:00 AM
San Francisco · Moscone Center
Sales end soon
mastering modern authentication
Monday at 5:00 PM
ibadan · Greater love school, iseyin ibadan
Sales end soon
mastering modern authentication
Monday at 5:00 PM
ibadan · Greater love school, iseyin ibadan
Just added
Zero Trust for AI: Securing Models, Data, and Autonomous Agents
Thu, Jun 18, 5:00 PM
San Francisco · Cloudflare
Just added
Zero Trust for AI: Securing Models, Data, and Autonomous Agents
Thu, Jun 18, 5:00 PM
San Francisco · Cloudflare

Trends in San Francisco

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Frequently asked questions about San Francisco

What are the best free events to attend?

According to Eventbrite, the best free events are:

Out in Tech SF Bay Area | Pride at the Sun: SF Happy Hour 2026

QBI Hackathon 2026: Main Event

2026 Open Healthware Conference

Astronomy lecture: Water Above, Water Below, Water Within

Which events are currently trending in San Francisco?

The trending searches this month in San Francisco are:

memorial day weekend events

may events

bay area

cinco de mayo

Which free events are coming up?

Discover the best free events happening soon – you don't want to miss them:

Pier 96 EV Truck Charging Preview

California Girls STEM Collaborative Networking Event in San Francisco!

Minds in Motion: David Sussillo

mastering modern authentication

Out in Tech SF Bay Area | Pride at the Sun: SF Happy Hour 2026

Out in Tech SF Bay Area | Pride at the Sun: SF Happy Hour 2026

QBI Hackathon 2026: Main Event

QBI Hackathon 2026: Main Event

California Girls STEM Collaborative Networking Event in San Francisco!

California Girls STEM Collaborative Networking Event in San Francisco!

Pier 96 EV Truck Charging Preview

Pier 96 EV Truck Charging Preview

2026 Open Healthware Conference

2026 Open Healthware Conference

Astronomy lecture: Water Above, Water Below, Water Within

Astronomy lecture: Water Above, Water Below, Water Within

Minds in Motion: David Sussillo

Minds in Motion: David Sussillo

Staying Secure in a Digital World: Building Cyber-Aware Communities

Staying Secure in a Digital World: Building Cyber-Aware Communities

Operational AI: Real-Time Analytics in Production (SF)

Operational AI: Real-Time Analytics in Production (SF)

Yerba Buena Speaker Series: Astro Everywhere with Josh Roberts

Yerba Buena Speaker Series: Astro Everywhere with Josh Roberts

Presentation: Hope after Climate Catastrophe: Lessons from Hurricane Helene

Presentation: Hope after Climate Catastrophe: Lessons from Hurricane Helene

Tour of San Francisco's Southeast Wastewater Treatment Plant

Tour of San Francisco's Southeast Wastewater Treatment Plant

School/Group Tour of San Francisco's Southeast Wastewater Treatment Plant

School/Group Tour of San Francisco's Southeast Wastewater Treatment Plant

2026 Global Innovation Show & Summit · Hong Kong（HK Enterprises）

2026 Global Innovation Show & Summit · Hong Kong（HK Enterprises）

Yerba Buena Speaker Series: Circularity in Action

Yerba Buena Speaker Series: Circularity in Action

[TEMPLATE] User Group Meeting - Month Year

[TEMPLATE] User Group Meeting - Month Year

mastering modern authentication

mastering modern authentication

Zero Trust for AI: Securing Models, Data, and Autonomous Agents

Zero Trust for AI: Securing Models, Data, and Autonomous Agents

Things to do around San Francisco

Trends in San Francisco

1. Memorial day weekend events

2. May events

3. Bay area

4. Cinco de mayo

5. Mothers day

6. Live music

7. Events june

8. Rave events

9. Hackathon

10. Tech

11. Dj events

12. Artificial intelligence

What are the best free events to attend?

Which events are currently trending in San Francisco?

Which free events are coming up?