What we publish for each problem, and other places founders look for ideas. We describe the others only by what they say about themselves; check each one directly.
Scores are our judgement, not a measurement, and no directory, ours included, replaces talking to the people who have the problem.
| Site | What it offers, in brief |
|---|---|
| StartupIdeasDB | A large collection of startup ideas and pain points. |
| BigIdeasDB | Ideas drawn from software reviews and complaints. |
| YC Requests for Startups | Themes Y Combinator says it would like to fund. |
| Wazoku Crowd (formerly InnoCentive) | Innovation challenges posted by organisations. |