San Francisco is home to 801 SaaS and AI products actively bought by companies on Cledara, led by Anthropic/Claude (5.51% market share). This ranking is built from real purchasing data — what companies actually pay for, not funding announcements — and updates monthly. Data as of 27 July 2026, 17:44 UTC.
| # | Product | Category | Founded | Employees | Funding | 12-mo rank |
|---|---|---|---|---|---|---|
| 1 | Anthropic/Claude | AI Platforms & Model Ops | 2,024 | 11-50 employees | +18 | |
| 2 | OpenAI/ChatGPT | AI Platforms & Model Ops | 2,015 | 1,001-5,000 employees | $250M+ | -1 |
| 3 | Cursor | Engineering & DevOps | 2,022 | 201-500 employees | +5 | |
| 4 | GitHub | Engineering & DevOps | 2,008 | 501-1,000 employees | $250M+ | -2 |
| 5 | Figma | Marketing & Growth | 2,012 | 1,001-5,000 employees | $250M+ | -2 |
| 6 | Slack | Collaboration & Productivity | 2,009 | 1,001-5,000 employees | -2 | |
| 7 | Notion | Collaboration & Productivity | 2,016 | 501-1,000 employees | $250M+ | -3 |
| 8 | Intercom | Customer Success & Support | 2,011 | 1,001-5,000 employees | $100M - $250M | -8 |
| 9 | Zendesk | Customer Success & Support | 2,007 | 5,001-10,000 employees | -11 | |
| 10 | Miro | Collaboration & Productivity | 2,011 | 1,001-5,000 employees | $250M+ | -1 |
| 11 | Recall.ai | Engineering & DevOps | 2,022 | 11-50 employees | $50M - $100M | +747 |
| 12 | Zapier | Engineering & DevOps | 2,011 | 501-1,000 employees | 0 | |
| 13 | DocuSign | Legal, Risk & Compliance | 2,003 | 5,001-10,000 employees | -2 | |
| 14 | Vercel | Engineering & DevOps | 2,015 | 501-1,000 employees | $250M+ | +8 |
| 15 | Apollo.io | Sales & Revenue | 2,015 | 501-1,000 employees | $100M - $250M | +1 |
| 16 | Carta | Finance & Accounting | 2,012 | 1,001-5,000 employees | $250M+ | -39 |
| 17 | GitLab | Engineering & DevOps | 2,014 | 1,001-5,000 employees | $250M+ | -18 |
| 18 | Mixpanel | Data & Analytics | 2,009 | 201-500 employees | $100M - $250M | -43 |
| 19 | Salesforce | Sales & Revenue | 1,999 | 10,001+ employees | -24 | |
| 20 | Linear | Collaboration & Productivity | 2,019 | 51-200 employees | $100M - $250M | +12 |
| 21 | Vanta | Legal, Risk & Compliance | 2,018 | 1,001-5,000 employees | $250M+ | +16 |
| 22 | Asana | Collaboration & Productivity | 2,008 | 1,001-5,000 employees | -20 | |
| 23 | Elastic | Data & Analytics | 2,012 | 1,001-5,000 employees | -14 | |
| 24 | Postman | Engineering & DevOps | 2,014 | 501-1,000 employees | $100M - $250M | -4 |
| 25 | Scenario | Marketing & Growth | 2,021 | 11-50 employees | $5M - $10M | +250 |
| 26 | PagerDuty | IT & Security | 2,009 | 1,001-5,000 employees | $250M+ | -16 |
| 27 | Webflow | Marketing & Growth | 2,013 | 501-1,000 employees | $100M - $250M | +2 |
| 28 | Airtable | Collaboration & Productivity | 2,012 | 501-1,000 employees | -6 | |
| 29 | Segment | Data & Analytics | 2,012 | 501-1,000 employees | -41 | |
| 30 | Nooks | Sales & Revenue | 2,022 | 51-200 employees | $50M - $100M | +464 |
| 31 | New Relic | IT & Security | 2,008 | 1,001-5,000 employees | -35 | |
| 32 | PandaDoc | Marketing & Growth | 2,014 | 501-1,000 employees | -9 | |
| 33 | Autodesk | Engineering & DevOps | 1,982 | 10,001+ employees | $250M+ | +49 |
| 34 | PostHog | Data & Analytics | 2,020 | 51-200 employees | $100M - $250M | +39 |
| 35 | Grammarly by Superhuman | Collaboration & Productivity | 2,014 | 51-200 employees | $50M - $100M | -6 |
| 36 | Expensify | Finance & Accounting | 2,008 | 51-200 employees | $100M - $250M | -35 |
| 37 | Loom | Collaboration & Productivity | 2,016 | 51-200 employees | $100M - $250M | -2 |
| 38 | CircleCI | Engineering & DevOps | 2,011 | 201-500 employees | $100M - $250M | +1 |
| 39 | Fireflies | Collaboration & Productivity | 2,016 | 51-200 employees | $10M - $25M | -8 |
| 40 | Databricks | Data & Analytics | 2,013 | 5,001-10,000 employees | $250M+ | +172 |
| 41 | Netlify | Engineering & DevOps | 2,015 | 51-200 employees | $100M - $250M | -1 |
| 42 | Docker | Engineering & DevOps | 2,013 | 501-1,000 employees | $100M - $250M | -1 |
| 43 | WorkOS | IT & Security | 2,019 | 51-200 employees | $50M - $100M | +175 |
| 44 | Unity | Engineering & DevOps | 2,004 | 5,001-10,000 employees | $5M - $10M | +15 |
| 45 | Front | Customer Success & Support | 2,013 | 201-500 employees | $50M - $100M | -14 |
| 46 | Userflow | Customer Success & Support | 2,021 | 11-50 employees | -152 | |
| 47 | AppsFlyer | Marketing & Growth | 2,011 | 1,001-5,000 employees | -227 | |
| 48 | Deel | People Ops & Talent | 2,019 | 1,001-5,000 employees | +69 | |
| 49 | Aptible | Engineering & DevOps | 2,013 | 11-50 employees | $10M - $25M | +137 |
| 50 | Nylas | Engineering & DevOps | 2,014 | 201-500 employees | $100M - $250M | -58 |
Showing the top 50 of 801 companies. The interactive page loads the full ranking, and the complete list is available as <a href="/api/export/startups/united-states/san-francisco.csv">CSV</a> or <a href="/api/export/startups/united-states/san-francisco.json">JSON</a>.
The largest SaaS company from San Francisco by headcount is Upwork (501-1,000 employees).
509 of 801 have disclosed funding, topped by OpenAI/ChatGPT ($250M+).
The newest entrant is Kilo Code (founded 2025).
The oldest is Business Wire (founded 1961); the newest, Kilo Code (2025).
| Category | Products |
|---|---|
| Engineering & DevOps | 164 |
| Marketing & Growth | 143 |
| Collaboration & Productivity | 93 |
| Data & Analytics | 62 |
| AI Platforms & Model Ops | 61 |
| Sales & Revenue | 58 |
| People Ops & Talent | 52 |
| IT & Security | 48 |
| Customer Success & Support | 46 |
| Finance & Accounting | 27 |
| Operations & Supply Chain | 25 |
| Legal, Risk & Compliance | 19 |
| Other | 3 |
San Francisco's SaaS scene skews toward Engineering & DevOps — 164 of its 801 tracked companies build engineering & devops software.
San Francisco accounts for 23% of the 3,460 ranked SaaS products founded in the United States.
Anthropic/Claude, OpenAI/ChatGPT and Cursor are the most-used SaaS products founded in San Francisco, based on real purchasing data from companies on Cledara. Last updated 27 July 2026, 17:44 UTC.
801 SaaS and AI products founded in San Francisco are actively bought by companies tracked on Cledara. Aggregators list more registered startups; this ranking counts only products with real, current usage.
Macroscope and Convex show the strongest rank gains among San Francisco-founded products over the last 90 days.
Most lists rank San Francisco startups by funding raised or valuation. This one ranks them by adoption — how many companies actually pay for each product — measured monthly from Cledara's purchasing data.