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Clojure Deref (July 6, 2025)

06 July 2025
Christoph Neumann

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

The Clojure/conj 2025 Call for Presentations is open now until July 27! We are seeking proposals for both 30 minute sessions and 10 minute lightning talks.

Libraries and Tools

New releases and tools this week:

  • sente 1.21.0-beta1 - Realtime web comms library for Clojure/Script

  • mcp-toolkit - a lib to build MCP clients and MCP servers in Clojure(script)

  • neanderthal 0.54.0 - Fast Clojure Matrix Library

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

  • joyride 0.0.52 - Making VS Code Hackable like Emacs since 2022

  • calva 2.0.520 - Clojure & ClojureScript Interactive Programming for VS Code

  • kindly 4-beta17 - A small library for defining how different kinds of things should be rendered

  • qclojure 0.8.0 - A functional quantum computer programming library for Clojure with backend protocols, simulation backends and visualizations.

  • bud 0.3.0 - A minimalist ClojureScript DOM library with precise, signal-driven reactivity for single-page applications

  • scittle-template-serviceworker - Service worker in Scittle ClojureScript

  • calva-backseat-driver 0.0.15 - VS Code AI Agent Interactive Programming. Tools for CoPIlot and other assistants. Can also be used as an MCP server.

  • calva-power-tools 0.0.11 - A VS Code Extension providing commands for extra powerful things in the Clojure ecosystem

  • clay 2-beta46 - A REPL-friendly Clojure tool for notebooks and datavis

  • nvim-astro5 2025-07-03 - Neovim 0.11 config for Clojure development, based on AstroNvim v5

  • clojure-cli-config 2025-07-01 - User aliases and Clojure CLI configuration for deps.edn based projects