26 May 2026
Christoph Neumann
Welcome to the Clojure Deref! This is a weekly link/news roundup for the Clojure ecosystem (feed: RSS).
Clojure Guild: Building Command Line Tools with lambdaisland/CLI/Babashka: May 28
Clojure real-world-data 60: May 29
Clojure/Conj 2026: Sep 30-Oct 2. Charlotte, NC, USA. CFP is open until June 14. Early Bird tickets.
EuroClojure 2027: May 19-21, 2027. Prague, Czech Republic. Join the mailing list
Clojure Dev Team Call, May 2026 - ClojureTV
Programming as and for Inference (by Christian Weilbach) - London Clojurians
DOOM-lite written in Phel Lang running entirely in the terminal | Chemaclass - Chemaclass
Finding File’s MIME Type, Using Apache Tika, in Clojure - Clojure Diary
Swish: Using Claude Code to Create a Lisp in Swift - destructuring & more core - Rod Schmidt
Babashka Conf
Go for Clojure programmers - Rahul De - Babashka-tv
Flower, a static site generator with a clojure template language - Jynn Nelson - Babashka-tv
Easy Made Complex - Josh Glover - Babashka-tv
More with Less - David Nolen - Babashka-tv
Mike Møller Nielsen
Clojure when and how to use Sets - Mike Møller Nielsen
Clojure Multiarity functions - Mike Møller Nielsen
Clojure Variadic function - Mike Møller Nielsen
Clojure Anonymous Functions - Mike Møller Nielsen
nREPL Protocol – spec - Bozhidar Batsov
neat: a language-agnostic nREPL client for Emacs - Bozhidar Batsov
nREPL Forever - Bozhidar Batsov
(nth (concat) 9) - Ana Carolina, Arthur Fücher
Learning Path to create Clofer - Karthikeyan A K
Implementation of Dark Mode in OrgPad - Pavel Klavík, Kamila Klavíková
Machine learning using Clojure, libpython-clj2, and Pytorch – Clojure Civitas - Jan Wedekind
Simple Apps with Clojure, HTMX and Pipelines - Rocky Jaiswal
Debut release
ring-node-adapter - Ring adapter for Node.js
neat - A small, language-agnostic nREPL client for Emacs
code-bubble - A Clojure dev-time UI inspired by Code Bubbles
clj-code-search - Per-function semantic index for Clojure/CLJS, exposed as a code-search CLI for AI coding agents.
phel-doom - Terminal DOOM-lite raycaster built in Phel (Lisp on PHP). 256-color ANSI, 5 procedural levels — a real-world Phel showcase app.
gojava - A Go reimplementation of selected parts of the Java standard library
clojure-android - The Clojure programming language for Android
clojure-android-demo - Clojure Android Demo
muschel - Bash interpreter with git-like memory and fine grained access control.
fulcro-tui - A JLine-base TUI wrapper, allowing you to write TUI projects in CLJ or Babashka via Fulcro
Updates
core.unify 0.7.3 - Unification library
tools.gitlibs 2.6.217 - API for retrieving, caching, and programatically accessing git libraries
glogi 1.4.177 - A ClojureScript logging library based on goog.log
openapi-v3-validator 0.2.7 - A pure-clojure library for validating ring requests & responses against OpenAPI v3 specifications.
refactor-nrepl 3.13.0 - nREPL middleware to support refactorings in an editor agnostic way
fulcro-spec 3.2.10 - A library that wraps clojure.test for a better BDD testing experience.
drip 1.0.0-alpha41 - Drip is a transactional job queue for MariaDB, PostgreSQL, and SQLite
cursive 2026.2-eap1 - Cursive: The IDE for beautiful Clojure code
dtype-next 11.022 - A Clojure library designed to aid in the implementation of high performance algorithms and systems.
tech.ml.dataset 8.023 - A Clojure high performance data processing system
rephrase 1.0.2 - Rephrase exceptions to be more beginner-friendly
bareforge 0.7.0 - Companion visual builder for BareDOM web components. Drag components, declare reactive state, export fully interactive CLJS or JS project
statecharts 1.4.0-RC16 - A Statechart library for CLJ(S)
stratum 0.3.72 - Versioned, fast and scalable columnar database.
teensyp 0.5.4 - A small, zero-dependency Clojure TCP server that uses Java NIO
html 0.2.4 - Html generation library inspired by squint’s html tag
next-jdbc 1.3.1108 - A modern low-level Clojure wrapper for JDBC-based access to databases.
ring-jetty9-adapter 0.39.4 - An enhanced version of jetty adapter for ring, with additional features like websockets, http/2 and http/3
svar 0.5.9 - Type‑safe LLM output for Clojure. Works with any text‑only model.
neil 0.3.70 - A CLI to add common aliases and features to deps.edn-based projects
clj-kondo 2026.05.25 - Static analyzer and linter for Clojure code that sparks joy
phel-lang 0.40.0 - A functional, Lisp-inspired language that compiles to PHP. Inspired by Clojure, Phel brings macros, persistent data structures, and expressive functional idioms to the PHP ecosystem.
spindel 0.1.13 - Cross-platform FRP runtime with a git-like memory model.
baredom 3.3.0 - BareDOM: Lightweight CLJS UI components built on web standards (Custom Elements, Shadow DOM, ES modules). No framework, just the DOM
fulcro 3.10.0-RC1 - A library for development of single-page full-stack web applications in clj/cljs