Find Your Dream Job by Contributing to OSS

Discover high-potential open source projects with remote freelance opportunities. We analyze trending repos daily to find the best places to contribute.

Owner Repository Stars Summary Hiring Funding
scrapy scrapy scrapy
Python
60,005
Scrapy is a fast, high-level Python framework for crawling websites and extracting structured data. It supports asynchronous, concurrent crawling and provides powerful selectors, pipelines, and tooling for tasks ranging from data mining to monitoring and automated testing.
Stack: Python, Twisted, Parsel, lxml, cssselect, w3lib, Protego
Yes
View Jobs →
Account Executive – Outbound – Remote (US/EU), Senior Manager, Revenue Enablement – Remote...
Yes
$3M
Debt (December 12, 2021)
Silicon Valley Bank
torvalds torvalds linux
C
219,727
Official Linux kernel source tree; a monolithic OS kernel powering servers, Android devices, and embedded systems; licensed under GPL‑2.0‑only with the Linux‑syscall‑note.
Stack: C, Assembly, Rust, Shell, Python, Makefile, Kbuild, GCC, binutils, Clang, LLVM, Git
Yes
View Jobs →
Community Director, LF Energy – Europe, Marketing Communications Manager II...
No
facebook facebook react
JavaScript
243,351
React is an open-source JavaScript library for building declarative, component‑based user interfaces for the web, with the flexibility to render on the server and power native apps via React Native. The repository hosts the core React packages and the monorepo tooling used to build, test, and release React across multiple environments.
Stack: JavaScript, TypeScript, HTML, CSS, Node.js, Yarn, Babel, Rollup, Jest, ESLint, Prettier, Flow, Google Closure Compiler, tsup
Yes
View Jobs →
Design Engineer – AI Infrastructure (requires React, React Native, NodeJS), Design Engineer, Design Tools (requires familiarity with React)...
Yes
~$16B raised at $38/share
IPO (May 2012)
Peter Thiel, Accel Partners...
godotengine godotengine godot
C++
107,156
Godot Engine is a free, open source, cross‑platform 2D and 3D game engine that provides a unified editor and a comprehensive set of tools so developers can focus on making games. Projects can be exported to desktop, mobile, web, and consoles (via third‑party publishers), with development supported by the non‑profit Godot Foundation and a large, active community.
Stack: C++, C, Objective‑C++, GDScript, C#, Vulkan, Direct3D 12, Metal, OpenGL, SCons
No
Yes
$100,000
Grants/Donations (September 2023)
Epic Games (Epic MegaGrant, $250,000, Feb 2020), Re-Logic ($100,000, Sept 2023)...
QuantConnect QuantConnect Lean
C#
17,191
Lean is an open-source, event-driven algorithmic trading engine by QuantConnect for strategy research, backtesting, and live trading. It features a modular, extensible architecture with out‑of‑the‑box alternative data and live‑trading support, and runs cross‑platform.
Stack: C#, Python, .NET (dotnet 9 SDK), Docker, Jupyter Lab, Visual Studio / VS Code, NuGet
Yes
View Jobs →
Data Quant (Full time, Remote)
Yes
$9.7M
Series A2 (2023-01-17)
Uncorrelated Ventures, Start‑Up Chile...
vnpy vnpy vnpy
Python
37,033
VeighNa (vn.py) is an open‑source, Python‑based quantitative trading framework that has evolved into a full‑feature platform. It provides an event‑driven core, many exchange/broker gateways, strategy engines (CTA, portfolio, options), backtesting, data services, risk management, web services (REST/WebSocket), and charting to build and run trading applications.
Stack: Python (3.10+; recommends 3.13), Event-driven engine, AsyncIO-based REST client, AsyncIO-based WebSocket client, RPC service, Web server (REST & WebSocket), SQLite, MySQL, PostgreSQL, MongoDB, TDengine, DolphinDB, Excel RTD (pyxll), K-line charting
Yes
View Jobs →
量化开发工程师, 实践 Python量化开发工程师
No
huggingface huggingface transformers
Python
157,109
Transformers is Hugging Face’s model‑definition framework for state‑of‑the‑art machine learning across text, vision, audio, video, and multimodal tasks, supporting both inference and training. It offers a unified API and access to over 1 million pretrained checkpoints on the Hugging Face Hub.
Stack: Python, PyTorch, TensorFlow, JAX/Flax
Yes
View Jobs →
Open-Source Machine Learning Engineer, AI for Robotics - Paris Office, Community ML Research Engineer, non-AI scientific fields - US Remote...
Yes
$235M Series D at a $4.5B valuation
Series D (2023-08-24)
Salesforce, Google...
n8n-io n8n-io n8n
TypeScript
176,760
n8n is a fair‑code workflow automation platform with native AI capabilities that lets users combine a visual builder with custom code. It can be self‑hosted or run in the cloud and includes hundreds of pre‑built integrations, supporting AI‑agent workflows on user data and models.
Stack: TypeScript, Vue, Node.js, Docker, PostgreSQL, SQLite
Yes
View Jobs →
Junior Support Engineer (L1 Support) – Remote (Europe/UK), Support Engineer (EMEA) – Remote (Europe/UK)...
Yes
$180M Series C; total funding $240M; valuation $2.5B
Series C (October 2025)
Accel, Meritech...
supabase supabase supabase
TypeScript
98,277
Supabase is an open‑source Postgres development platform and a Firebase alternative that offers a dedicated PostgreSQL database with built‑in authentication, instant REST/GraphQL APIs, realtime subscriptions, storage, edge functions, and AI/vector tooling. It targets developers who want a Firebase‑like experience while retaining the power and flexibility of an open‑source stack that can be self‑hosted or run as a managed service.
Stack: TypeScript, JavaScript, PostgreSQL, PL/pgSQL, Go, Elixir, Haskell, Node.js, Deno, GraphQL, Kong
Yes
View Jobs →
Brand Designer, CLI Engineer...
Yes
$100M
Series E (October 2025)
Accel, Peak XV Partners...
charmbracelet charmbracelet glow
Go
23,171
Glow is a terminal-based Markdown reader/TUI that renders Markdown with style and makes documentation pleasant to read directly in the CLI. It can discover Markdown files automatically in subdirectories or Git repositories and is built to showcase the beauty and power of the command line for browsing and reading docs.
Stack: Go, Dockerfile, Charmbracelet Bubble Tea (bubbletea), Charmbracelet Bubbles, Glamour, Lip Gloss, termenv, Cobra, Viper, atotto/clipboard, muesli/reflow, muesli/roff, muesli/mango-cobra, muesli/gitcha, muesli/go-app-paths, fsnotify, sahilm/fuzzy, golang.org/x/sys, golang.org/x/term, golang.org/x/text
No
Yes
$6M
Seed (November 2, 2023)
Gradient Ventures, Cavalry Ventures...