Welcome to the Clojure Deref! This is a weekly link/news roundup for the Clojure ecosystem (feed: RSS).

The State of ClojureScript 2025 Survey is live!

If you ever wondered what’s happening in cljs world, this is your chance to contribute and learn back from the community. Take a few minutes to fill out the survey and share it in your circles.

Debut release

  • moon - RPG Maker & Engine

  • reagami - A minimal zero-deps Reagent-like for Squint and CLJS

  • aero-1p - Bridge between Aero and 1Password

  • litellm-clj - A universal translator for LLM models

  • muutos - Muutos is a zero-dependency Clojure library for reacting to changes in a PostgreSQL database.

  • webserial-starter - WebSerial API starter with Clojurescript and Replicant

  • clj-threats - Clojure implementation of Threagile

  • qclojure-ml - Quantum Machine Learning based on QClojure

  • DSCloj - Structured LLM prompts in Clojure

  • clojure-mcp-light - Experimental Clojure tooling for Claude Code - automatic delimiter fixing via hooks and parinfer

Updates

  • tools.build 0.10.11 - Clojure builds as Clojure programs

  • statecharts 1.2.24 - A Statechart library for CLJ(S)

  • fulcro-inspect 4.1.0 - A tool for inspecting and debugging Fulcro applications during development.

  • fulcro-devtools-remote 0.2.8 - An adapter for writing development tooling that runs as a Chrome extension or an electron app.

  • test-filter 1.0.6 - A tool for reducing CI times by finding minimal test set based on code analysis.

  • nexus 2025.10.1 - Data-driven action dispatch for Clojure(Script): Build systems that are easier to test, observe, and extend

  • powerpack 2025.10.22 - A batteries-included static web site toolkit for Clojure

  • clj-kondo 2025.10.23 - Static analyzer and linter for Clojure code that sparks joy

  • component 1.2.0 - Managed lifecycle of stateful objects in Clojure

  • spacemacs-config 2025-10-25 - rich Clojure & LSP config for Spacemacs

  • dompa 1.1.0 - A zero-dependency, runtime-agnostic HTML parser and builder.

  • markdown 0.7.196 - A cross-platform clojure/script parser for Markdown

  • pedestal 0.8.1 - The Pedestal Server-side Libraries

  • cli 1.27.121 - Opinionated command line argument handling, with excellent support for subcommands

  • edamame 1.5.33 - Configurable EDN/Clojure parser with location metadata

  • thneed 1.1.4 - An eclectic set of Clojure utilities that I’ve found useful enough to keep around.

  • calva-backseat-driver 0.0.24 - VS Code AI Agent Interactive Programming. Tools for CoPIlot and other assistants. Can also be used as an MCP server.

  • qclojure 0.23.0 - A functional quantum computer programming library for Clojure with backend protocols, simulation backends and visualizations.

  • malli 0.20.0-alpha3 - High-performance data-driven data specification library for Clojure/Script.

  • clay 2.0.2 - A REPL-friendly Clojure tool for notebooks and datavis

  • kindly 4-beta21 - A small library for defining how different kinds of things should be rendered

  • durable-queue 0.2.0 - a disk-backed queue for clojure

  • joyride 0.0.71 - Making VS Code Hackable like Emacs since 2022

  • reagent 2.0.1 - A minimalistic ClojureScript interface to React.js

  • sente 1.21.0 - Realtime web comms library for Clojure/Script

  • http-kit 2.9.0-beta3 - Simple, high-performance event-driven HTTP client+server for Clojure

  • cider 1.20.0 - The Clojure Interactive Development Environment that Rocks for Emacs

  • tempel 1.0.0 - Data security framework for Clojure

  • eca 0.77.1 - Editor Code Assistant (ECA) - AI pair programming capabilities agnostic of editor

  • carmine 3.5.0 - Redis client + message queue for Clojure

  • clojure-mcp 0.1.12 - Clojure MCP

  • manifold 0.4.4 - A compatibility layer for event-driven abstractions

  • squint 0.9.178 - Light-weight ClojureScript dialect

  • calva 2.0.540 - Clojure & ClojureScript Interactive Programming for VS Code

  • cursive 2025.2.1-eap4 - Cursive: The IDE for beautiful Clojure code