03 February 2026
Christoph Neumann

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

Clojure Dev Call

Join the Clojure core team for an update on what we’ve been working on and what’s on our horizon. We’ll save time for a Q&A, so bring your questions. Feb 10 @ 18:00 UTC. Register here.

Upcoming Events

Podcasts, videos, and media

Blogs, articles, and news

Libraries and Tools

Debut release

  • clojure-elisp - A Clojure dialect that compiles to Emacs Lisp

  • yamlstar - A YAML framwork for all programming languages

  • yggdrasil - Git-like, causal space-time lattice abstraction over systems supporting this memory model.

  • chrondb - Chronological key/value Database built on Git architecture with complete version history

  • pruner - A TreeSitter-powered formatter orchestrator

  • ouroboros - An AI vibe-coding game using babashka

  • ridley - A turtle graphics-based 3D modeling tool for 3D printing. Write Clojure scripts, see real-time 3D preview, export STL. WebXR support for VR/AR visualization.

  • restructure - Rewrite nested Clojure data with a declared shape.

  • hipflask - Offline-first, real-time collaboration for ClojureScript

  • plumcp - Clojure/ClojureScript library for making MCP server and client

Updates

  • clara-eql 0.2.1 - Generate Clara rules to collect data from EDN Query Language queries

  • monkeyci 0.23.1 - Next-generation CI/CD tool that uses the full power of Clojure!

  • unlazy 1.1.0 - Configuration for clj-kondo, discouraging lazy processing

  • next-jdbc 1.3.1093 - A modern low-level Clojure wrapper for JDBC-based access to databases.

  • cursive 2026.1-eap1 - Cursive: The IDE for beautiful Clojure code

  • hive-mcp 0.11.0 - MCP server for hive-framework development, highly integrated to emacs

  • clay 2.0.9 - A REPL-friendly Clojure tool for notebooks and datavis

  • kindly 4-beta23 - A small library for defining how different kinds of things should be rendered

  • calva 2.0.547 - Clojure & ClojureScript Interactive Programming for VS Code

  • html 0.2.3 - Html generation library inspired by squint’s html tag

  • bankster 2.1.1 - Money as data, done right.

  • aws-api 0.8.800 - AWS, data driven

  • datalevin 0.10.4 - A simple, fast and versatile Datalog database