langfor.dev
13 tracks live4 source languages6 target destinations

Browse the full catalog through the language you already know.

/tracks stays the canonical browse surface for the live catalog. Filter by source and target language, inspect the matching groups, and jump directly into the transition that fits your current mental model.

~/langfor/browse-trackscanonical route

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Narrow the live catalog before you commit to a track.

Keep the URL-driven source and target filters, then move through the grouped browse surface or the full results grid without leaving /tracks.

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Showing 2 tracks that lead to TypeScript.

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02browse by source language

These catalog groups stay anchored to TypeScript, so you can compare every matching starting point without leaving the canonical /tracks route.

Python

1 matching track that lead to TypeScript.

View all Python starting points

  • Python to TypeScript

    Move from dynamic Python habits into typed JavaScript contracts.

    Focus on data modeling, narrowing, boundary validation, typed tests, and discriminated unions for Python developers learning TypeScript.

    More to TypeScriptOpen the Python to TypeScript track

JavaScript/Node

1 matching track that lead to TypeScript.

View all JavaScript/Node starting points

  • JavaScript/Node to TypeScript

    Turn familiar JavaScript runtime code into safer, better-specified systems.

    Focus on annotations and inference, safer API shapes, boundary typing, typed tests, and practical migration strategy for existing Node codebases.

    More to TypeScriptOpen the JavaScript/Node to TypeScript track

03results grid

Review every matching track in one place, then jump directly into the route that fits.