Indie Hackers - Connect with fellow entrepreneurs, developers, and bootstrappers who are sharing the strategies and revenue numbers behind their companies.
Founder Society - An invitation-only organization of entrepreneurs
Geneva - An all-in-one communication app for groups & communities
Single Founder Handbook - A step-by-step guide for bootstrapped software entrepreneurs
Figma Community - Publish live design files for others to learn from & remix.
Zero to Sold - How to start, run, and sell a bootstrapped business