Free tools for engineers & founders

Browser-only. No signup. No data sent anywhere. Also: evergreen reference cheatsheets and a weekly intel digest.

All ★ Favorites Developer AI & LLM Sales & Growth Startup Content DevOps

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About these tools

Every tool on this page runs entirely in your browser — no accounts, no uploads, no tracking of what you paste. Most were extracted from problems I hit building real systems.

Built by Yuvrajsinh Jadav — legendev.org