Welcoming Repositories Index Elixir Ecosystem
Top Welcoming Open-Source Elixir Repositories
Top welcoming Elixir repositories. Scored by real 90-day external PR merge rates, maintainer review turnaround speed, and first-time contributor success.
Updated daily • Wed, 14 Oct 2026 UTC
Tracked Repos
1,089
>100 stars verified
Avg Merge Rate
82%
90-day external PRs
Open GFIs
19
Beginner friendly issues
Welcoming Tier
49
S & A Tier maintainers
Ranked Elixir Repositories
Showing top 50 of 1,089 ranked repositories
| Rank | Repository | Tier | Score | Merge Rate | Good First Issues |
|---|---|---|---|---|---|
| #1 | The open source company operating system. | S•Elite | 70.0 | 93.2% | - |
| #2 | firezone/firezone9,113 Blazing-fast remote access | A•Welcoming | 69.2 | 79.9% | - |
| #3 | Your personal media companion, built with Phoenix LiveView | S•Elite | 68.5 | 76.7% | - |
| #4 | vutuv is a social network. Think of it as a fast, secure and less annoying open-source alternative for LinkedIn, Facebook and X. | S•Elite | 68.5 | 86.0% | 2 |
| #5 | Blockchain explorer for Ethereum based network and a tool for inspecting and analyzing EVM based blockchains. | A•Welcoming | 68.0 | 81.5% | - |
| #6 | expert-lsp/expert2,066 Official Elixir Language Server Protocol implementation | A•Welcoming | 67.5 | 84.7% | 1 |
| #7 | Middleware server for online gaming | A•Welcoming | 67.4 | 87.2% | 11 |
| #8 | plausible/analytics29,404 Open source, privacy-first web analytics. Lightweight, cookie-free Google Analytics alternative. Self-hosted or cloud. | A•Welcoming | 66.8 | 74.0% | - |
| #9 | tuist/tuist5,833 Your platform team, as a service | A•Welcoming | 66.5 | 77.1% | - |
| #10 | The Main application that provides the core interface via the glific APIs | A•Welcoming | 66.0 | 76.2% | 3 |
| #11 | brainlid/langchain1,208 Elixir implementation of a LangChain style framework that lets Elixir projects integrate with and leverage LLMs. | A•Welcoming | 65.6 | 79.8% | - |
| #12 | The open source Agent Harness with a Company Brain. Self-hosted AI Agents for Slack, Teams, Lark, DingTalk, WeCom, and more. An open source alternative to Claude Tag. | A•Welcoming | 65.3 | 65.2% | - |
| #13 | :watch: Cron-like job scheduler for Elixir | A•Welcoming | 65.0 | 97.1% | - |
| #14 | Next Generation OLI Authoring and Delivery Platform | A•Welcoming | 64.8 | 87.8% | - |
| #15 | Lightning ⚡️ is latest version of the OpenFn platform, a DPG and DPI building block that governments use to manage complex service/workflow automation and data integration projects. | A•Welcoming | 64.7 | 68.0% | 1 |
| #16 | elixir-lang/elixir26,693 Simple from zero to scale | A•Welcoming | 64.7 | 76.3% | - |
| #17 | elixir-tesla/tesla2,076 The flexible HTTP client library for Elixir, with support for middleware and multiple adapters. | A•Welcoming | 64.6 | 90.8% | - |
| #18 | Tooling for building DSLs in Elixir | A•Welcoming | 64.4 | 90.5% | - |
| #19 | Running Elixir in the browser | A•Welcoming | 64.3 | 81.3% | - |
| #20 | hexpm/hex1,089 Package manager for the Erlang ecosystem. | A•Welcoming | 64.2 | 81.8% | - |
| #21 | supabase/realtime7,654 Broadcast, Presence, and Postgres Changes via WebSockets | A•Welcoming | 64.2 | 83.3% | - |
| #22 | :alarm_clock: Parse Cron Expressions, Compose Cron Expression Strings and Caluclate Execution Dates. | A•Welcoming | 64.0 | 100.0% | - |
| #23 | 💬 Step-by-step tutorial creates a Chat App using Phoenix LiveView including Presence, Authentication and Style with Tailwind CSS | A•Welcoming | 64.0 | 77.3% | 1 |
| #24 | OpenTelemetry instrumentation for Erlang & Elixir | A•Welcoming | 63.8 | 82.1% | - |
| #25 | ✅ Complete beginners tutorial building a todo list from scratch in Phoenix 1.7 (latest) | A•Welcoming | 63.7 | 96.2% | - |
| #26 | A self-hosted data logger for your Tesla 🚘 [main maintainer=@JakobLichterfeld] | A•Welcoming | 63.5 | 63.3% | - |
| #27 | All-in-one delivery platform for AI-driven development. | A•Welcoming | 63.4 | 66.3% | - |
| #28 | Core Astarte Repository | A•Welcoming | 63.3 | 80.9% | - |
| #29 | Manage your Nerves device fleet, including firmware updates, health reports, and interactive device consoles. | A•Welcoming | 62.9 | 79.9% | - |
| #30 | Build interactive AI agents in Elixir with OTP supervision, middleware composition, human-in-the-loop approvals, sub-agent delegation, and real-time Phoenix LiveView integration. Built on LangChain. | A•Welcoming | 62.7 | 96.6% | - |
| #31 | Composable Elixir library for LLM interactions built on Req and Finch | A•Welcoming | 62.6 | 88.3% | - |
| #32 | mbta/api137 V3 MBTA API | A•Welcoming | 62.5 | 90.6% | - |
| #33 | Internationalization and localization support for Elixir. | B•Solid | 62.5 | 100.0% | - |
| #34 | ash-project/ash2,536 A declarative, extensible framework for building Elixir applications. | A•Welcoming | 62.2 | 78.1% | - |
| #35 | Logflare/logflare1,007 Never get surprised by a logging bill again. Centralized structured logging for Cloudflare, Vercel, Elixir and Javascript. | A•Welcoming | 61.6 | 69.7% | - |
| #36 | Elixir framework to build your own in-house PaaS | A•Welcoming | 61.3 | 93.8% | - |
| #37 | elixir-grpc/grpc1,529 An Elixir implementation of gRPC | A•Welcoming | 61.1 | 76.9% | - |
| #38 | The official Elixir SDK for Sentry (sentry.io) | A•Welcoming | 60.9 | 74.4% | - |
| #39 | hexpm/hexpm1,172 API server and website for Hex | A•Welcoming | 60.8 | 85.2% | - |
| #40 | Elixir-native framework for building runtime AI agents | A•Welcoming | 60.7 | 89.5% | - |
| #41 | Small, lightweight pastebin+URL shortener written in Elixir using the Phoenix framework. | A•Welcoming | 60.2 | 100.0% | - |
| #42 | elixir-nx/nx2,912 Multi-dimensional arrays (tensors) and numerical definitions for Elixir | A•Welcoming | 60.2 | 78.0% | - |
| #43 | bartblast/hologram1,527 Full stack Elixir web framework that intelligently compiles Elixir client-side code to JavaScript | A•Welcoming | 60.2 | 73.9% | - |
| #44 | mtrudel/bandit1,922 Bandit is a pure Elixir HTTP server for Plug & WebSock applications | A•Welcoming | 60.2 | 68.6% | - |
| #45 | MLIR Toolkit in Elixir and Zig. | A•Welcoming | 60.1 | 95.5% | - |
| #46 | Rich, real-time user experiences with server-rendered HTML | A•Welcoming | 60.0 | 70.2% | - |
| #47 | Elixir Model Context Protocol (MCP) SDK (hermes-mcp fork) | A•Welcoming | 59.9 | 84.8% | - |
| #48 | Rendre disponible, valoriser et améliorer les données transports | A•Welcoming | 59.8 | 80.5% | - |
| #49 | rrrene/credo5,227 A static code analysis tool for the Elixir language with a focus on code consistency and teaching. | A•Welcoming | 59.8 | 54.5% | - |
| #50 | MCP server with runtime-level tools for Phoenix development | A•Welcoming | 59.7 | 81.8% | - |
How to Get Your Elixir 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.
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Frequently Asked Questions: Elixir Open Source
What is the most welcoming Elixir open-source repository?
The highest-ranked Elixir repository on GetMerged is currently operately/operately, with a C-Rank score of 70.0/100 and a 93.2% PR merge rate.
How can I find good first issues in Elixir?
You can browse verified beginner-friendly issues in Elixir by visiting our curated Good First Issues directory at getmerged.abhishekco.de/good-first-issue/elixir.
What makes a Elixir repository ‘Super Welcoming’ on GetMerged?
A ‘Super Welcoming’ (S-Tier) Elixir 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.