Indie Developers

Who built it, what they shipped, how it makes money and which AI tools they use, with a source for every fact.

3 developers

Mario Zechner

@badlogicgames · Open-source builder · Former indie developer

Creator of the libGDX game framework and the Pi coding agent, which he took to Earendil in April 2026.

Products: Pi · libGDX

  • Pi
Verified Oct 8, 2026View profile

Peter Steinberger

@steipete · Bootstrapped founder · Open-source builder · Former indie developer

Bootstrapped PSPDFKit to a nine-figure exit, then built OpenClaw. At OpenAI since February 2026.

Products: OpenClaw · PSPDFKit (now Nutrient) · CodexBar

  • OpenClaw
  • CodexBar
  • Codex CLI
Verified Oct 8, 2026View profile

Pieter Levels

@levelsio · Solo developer · Bootstrapped founder

Solo founder of Photo AI, Nomads.com and Remote OK, who now builds his products with Claude Code on a VPS.

Products: Photo AI · fly.pieter.com · Nomads.com · Remote OK

  • Claude Code
Verified Oct 8, 2026View profile