Engineering, Product and Design Startups funded by Y Combinator (YC) in the San Francisco Bay Area 2026
Summary
This page lists 304 Y Combinator-backed startups in the San Francisco Bay Area, with a heavy concentration of engineering, product, design, and AI infrastructure companies. Many of the entries describe software products for development workflows, observability, testing, design, and AI agent orchestration. A few companies are public, acquired, or founded earlier, but the page itself is not announcing any new event for one company. The content is primarily a startup directory and discovery resource for browsing active software vendors.
Classifications
industries
Entertainment
applications
Accounting and Taxes
AskAI Classifications
Labels
SaaS
IT Operations Management
Incident Management Software
Linked Companies
PagerDuty
$100M to $250M
Optimizely
$250M to $500M
Algolia
$100M to $250M
GitLab Inc.
$250M to $500M
Scale AI, Inc.
$50M to $100M
21st.dev
up to $1M
Dari
n/a