Free Developer Tools — Browser-Only
- Your data never leaves your tab — no servers, no upload
- No tracking, no cookies, no logs
- 15 languages, installable as an offline app
- Open source under MIT — inspectable + self-hostable
For Schools & Teachers
Free, ad-free, privacy-first. Self-hostable. 15 languages.
Companion Tools
Host-side security utilities — skill-scanner & sentinel.
All Tools
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