Stack Exchange
We make Stack Overflow and 170+ other community-powered Q&A sites.

Stack Exchange is a network of over 180 expert-driven Q&A communities covering topics from programming to mathematics, science, and beyond. Community members ask and answer questions, vote on the best responses, and earn reputation for helpful contributions. The platform hosts well-known sites like Stack Overflow alongside hundreds of specialized communities.
Users post questions on topic-specific community sites, where experts answer and the community votes the most helpful responses to the top, building a trusted knowledge base.
anyone seeking expert answers to specific questions across a wide range of topics
Background.
- Status
- launched
- Business model
- freemium
- Company
- Stack Exchange, Inc.
Similar projects.
Editorial take on the space this project sits in — momentum signals, adjacent moves, our call on whether the wedge is real. Get pinged when we publish a new read or when the landscape shifts.
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