Aleph

Judgement

What it is

Building block

What it does

A Clojure library on Netty for asynchronous HTTP servers and clients, WebSockets and raw TCP and UDP, exposing data as Manifold streams.

Adopt it when

You write Clojure and need asynchronous networking or high-concurrency HTTP beyond what Ring with Jetty gives.

Watch out

Its community is small and it publishes no GitHub releases, so check Clojars for current versions.

Ready for

Production-ready

Runs as

Library

Built with

Clojure, Java and Netty

How established

Established: started 16 years ago, no tagged release yet.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-06 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Aleph → Clojure → JDK → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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