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A self-hostable search proxy with tracking-parameter removal

A deterministic layer that lets agents make code changes across an entire code estate.

A curriculum centered on React applications and Node APIs

Share a small file through a link without a JavaScript dependency

Browser-based development environments for frontend, Node.js and JavaScript work.

Probe authorized web applications for common security issues through a proxy or automated scan.

Self-guided command-line programming workshops

Frontend interview questions across code, CSS and design

Learn and test text patterns with live feedback

Creative programming tracks for beginners

AI test automation for Salesforce and enterprise web applications

A collection of games teaching web-development concepts