Indie Hackers - Connect with fellow entrepreneurs, developers, and bootstrappers who are sharing the strategies and revenue numbers behind their companies.
Validated ideas - List of 5,000 poorly executed but popular apps
Geneva - An all-in-one communication app for groups & communities
The 25 Days of Ideas - Free resources for coming up with startup ideas
Figma Community - Publish live design files for others to learn from & remix.
IdeasAI - OpenAI-powered startup idea generator