Welcoming Repositories Index Clojure Ecosystem
Top Welcoming Open-Source Clojure Repositories
Top welcoming Clojure repositories. Scored by real 90-day external PR merge rates, maintainer review turnaround speed, and first-time contributor success.
Updated daily • Sat, 10 Oct 2026 UTC
Tracked Repos
708
>100 stars verified
Avg Merge Rate
86%
90-day external PRs
Open GFIs
7
Beginner friendly issues
Welcoming Tier
15
S & A Tier maintainers
Ranked Clojure Repositories
Showing top 50 of 708 ranked repositories
| Rank | Repository | Tier | Score | Merge Rate | Good First Issues |
|---|---|---|---|---|---|
| #1 | penpot/penpot60,379 Penpot: The open-source design platform for Product teams that need scalable collaboration. | A•Welcoming | 69.1 | 57.9% | 4 |
| #2 | metabase/metabase49,593 The easy-to-use open source Business Intelligence and Embedded Analytics tool that lets everyone work with data :bar_chart: | A•Welcoming | 65.7 | 9.9% | 3 |
| #3 | babashka/cli295 Turn Clojure functions into CLIs! | A•Welcoming | 64.9 | 100.0% | - |
| #4 | xtdb/xtdb3,080 An immutable SQL database for application development, time-travel reporting and data compliance. Developed by @juxt | A•Welcoming | 63.6 | 67.9% | - |
| #5 | babashka/babashka4,614 Native, fast starting Clojure interpreter for scripting | A•Welcoming | 63.5 | 89.1% | - |
| #6 | The Common Metadata Repository (CMR) is a high-performance, high-quality, continuously evolving metadata system that catalogs Earth Science data and associated service metadata records. These metadata records are registered, modified, discovered, and accessed through programmatic interfaces leveraging standard protocols and APIs. | A•Welcoming | 63.1 | 70.0% | - |
| #7 | A Clojure library for the Apache Kafka distributed streaming platform. | B•Solid | 61.8 | 100.0% | - |
| #8 | Editor Code Assistant (ECA) - AI pair programming capabilities agnostic of editor | A•Welcoming | 61.7 | 68.8% | - |
| #9 | Clojure & ClojureScript Language Server (LSP) implementation | A•Welcoming | 60.9 | 63.2% | - |
| #10 | logseq/logseq45,186 A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: https://logseq.io/p/NX4mc_ggEV | A•Welcoming | 60.7 | 22.5% | - |
| #11 | liquidz/antq454 Point out your outdated dependencies. | A•Welcoming | 60.0 | 100.0% | - |
| #12 | clj-kondo/clj-kondo1,861 Static analyzer and linter for Clojure code that sparks joy | A•Welcoming | 59.8 | 20.0% | - |
| #13 | A clojuresque key-value/document store protocol with core.async. | A•Welcoming | 59.1 | 96.3% | - |
| #14 | Ordered sets and maps, implemented in pure clojure | A•Welcoming | 56.2 | 80.0% | - |
| #15 | Configurable EDN/Clojure parser with location metadata | A•Welcoming | 56.1 | 100.0% | - |
| #16 | 🤖 Extreme chatops bot for Slack, Discord, Mattermost, IRC 🔧 New contributors welcome 🏗 | A•Welcoming | 55.7 | 87.5% | - |
| #17 | metosin/reitit1,587 A fast data-driven routing library for Clojure/Script | B•Solid | 54.6 | 50.0% | - |
| #18 | kit-clj/kit558 Lightweight, modular framework for scalable web development in Clojure | B•Solid | 54.4 | 100.0% | - |
| #19 | babashka/sci1,388 Configurable Clojure/Script interpreter suitable for scripting and Clojure DSLs | B•Solid | 54.2 | 81.8% | - |
| #20 | babashka/fs220 File system utility library for Clojure | B•Solid | 53.9 | 100.0% | - |
| #21 | swarmpit/swarmpit3,498 Lightweight AI-friendly Docker Swarm management | B•Solid | 53.9 | 100.0% | - |
| #22 | Turn Clojure data structures into SQL | B•Solid | 53.7 | 75.0% | - |
| #23 | jacobobryant/biff1,119 A Clojure web framework for solo developers. | B•Solid | 53.2 | 100.0% | - |
| #24 | A faithful port of the clojure CLI bash script to Clojure | B•Solid | 52.8 | 100.0% | - |
| #25 | B•Solid | 52.4 | 28.6% | - | |
| #26 | AWS, data driven | B•Solid | 52.3 | 100.0% | - |
| #27 | A fertile ground for Clojure tooling | B•Solid | 51.6 | 85.7% | - |
| #28 | Pure cljs version of 4clojure, meant to run forever! | B•Solid | 51.3 | 100.0% | - |
| #29 | replikativ/datahike1,878 Versioned, fast, distributed Datalog engine for everyone. | B•Solid | 51.1 | 86.0% | - |
| #30 | Rewrite Clojure code and edn | B•Solid | 51.0 | 100.0% | - |
| #31 | Your trusted home for discovering MCP tools – seamlessly integrated into Docker | B•Solid | 51.0 | 100.0% | - |
| #32 | A secure password manager for iOS and Android platforms | B•Solid | 50.6 | 100.0% | - |
| #33 | A secure password manager for macOS,Linux and Windows platforms | B•Solid | 50.6 | 100.0% | - |
| #34 | Light-weight static blog engine for Clojure and babashka | B•Solid | 50.4 | 100.0% | - |
| #35 | 📚 A central documentation hub for the Clojure community | B•Solid | 49.8 | 85.7% | - |
| #36 | A CLI to add common aliases and features to deps.edn-based projects | B•Solid | 49.6 | 100.0% | - |
| #37 | A stream processing framework to build stateless applications on Kafka | B•Solid | 49.6 | 100.0% | - |
| #38 | zero dependency efficient read/write of json and csv data. | B•Solid | 49.2 | 100.0% | - |
| #39 | scicloj/clay206 A REPL-friendly Clojure tool for notebooks and datavis | B•Solid | 49.1 | 66.7% | - |
| #40 | Component-driven development for Clojure | B•Solid | 49.1 | 100.0% | - |
| #41 | A Clojure library designed to aid in the implementation of high performance algorithms and systems. | B•Solid | 49.0 | 100.0% | - |
| #42 | babashka/nbb969 Scripting in Clojure on Node.js using SCI | B•Solid | 48.4 | 100.0% | - |
| #43 | An enhanced version of jetty adapter for ring, with additional features like websockets, http/2 and http/3 | B•Solid | 48.3 | 100.0% | - |
| #44 | Clojure library for fast JSON encoding and decoding. | B•Solid | 48.3 | 100.0% | - |
| #45 | Clojure library for fast http api format negotiation, encoding and decoding. | B•Solid | 48.2 | 100.0% | - |
| #46 | A powerful background job processing library for Clojure | B•Solid | 47.8 | 100.0% | - |
| #47 | A minimalistic ClojureScript interface to React.js | B•Solid | 47.5 | 100.0% | - |
| #48 | Programmable static site generator built with Clojure and Boot (HELP NEEDED!) | B•Solid | 47.4 | 100.0% | - |
| #49 | Efficient, hassle-free function call validation with a concise inline syntax for clojure.spec and Malli | B•Solid | 47.4 | 100.0% | - |
| #50 | clj-commons/aleph2,592 Asynchronous streaming communication for Clojure - web server, web client, and raw TCP/UDP | B•Solid | 47.3 | 100.0% | - |
How to Get Your Clojure PR Merged
1
Check C-Rank™ First: Pick projects with S or A tiers to avoid maintainer ghosts and slow review cycles.
2
Run Local Verification: Ensure test suites and formatting linters pass before opening a pull request.
3
Submit in Maintainer Windows: Check the repository report card to submit when maintainers are most active.
Get this week's top welcoming repos + fresh Good First Issues for Clojure
Free weekly email, scoped to Clojure. No account needed - confirm once and unsubscribe anytime.
Frequently Asked Questions: Clojure Open Source
What is the most welcoming Clojure open-source repository?
The highest-ranked Clojure repository on GetMerged is currently penpot/penpot, with a C-Rank score of 69.1/100 and a 57.9% PR merge rate.
How can I find good first issues in Clojure?
You can browse verified beginner-friendly issues in Clojure by visiting our curated Good First Issues directory at getmerged.abhishekco.de/good-first-issue/clojure.
What makes a Clojure repository ‘Super Welcoming’ on GetMerged?
A ‘Super Welcoming’ (S-Tier) Clojure repository demonstrates an external PR merge rate above 80%, a median first response time within 24 to 48 hours, active review feedback, and clear onboarding documentation.