lwt

The premium Open Source alternative to Node.js (libuv)

🎯 Best for:Developers building high-concurrency networked applications in OCaml.

What is lwt?

Replaces standard synchronous I/O in OCaml with a non-blocking, promise-based concurrency model. It implements a cooperative threading system using a monadic interface to handle high-performance networking and system calls.

Tech Stack
OCamlBackend & Auth

Why lwt?

  • Extremely lightweight thread overhead
  • Prevents race conditions via cooperative scheduling
  • Deep integration with OCaml ecosystem

Limitations

  • Steep learning curve for monads
  • Single-core execution by default
  • Limited to OCaml ecosystem
2/25/2026
Last Update
185
Forks
74
Issues
MIT
License
Financial Leak Detected

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Competitor Cost
-$1,440
/ year (est. based on Node.js (libuv))
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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