fp-ts

• gcanti/fp-ts: Functional programming in TypeScript

• TypeScript で 関数型プログラミング をするためのパッケージ

  • cheatsheet inato/fp-ts-cheatsheet: FP-TS Cheat Sheet

• monocle-ts

derive package

• stevemao/fp-ts-extras: fp-ts extra functions and utilities
• gcanti/fp-ts-contrib: A community driven utility package for fp-ts
• samhh/fp-ts-std: The missing pseudo-standard library for fp-ts.