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🌲 super fast, all natural json logger

• 5 "help wanted" issue(s)
• 6 "good first issue" issue(s)
• Median open pull request age is 113 days

Less. The dynamic stylesheet language.

• Pull requests welcome
• 9 "good first issue" issue(s)
• One contributor accounts for 75% of commits in the last 12 months

An extensive math library for JavaScript and Node.js

• 67 "help wanted" issue(s)
• 4 "good first issue" issue(s)
• Median open pull request age is 128 days

A Python library for anomaly detection across tabular, time series, graph, text, image, and audio data. 60+ detectors, benchmark-backed ADEngine orchestration, and an agentic workflow for AI agents.

• 17 "help wanted" issue(s)
• 5 "good first issue" issue(s)
• Median open pull request age is 79 days

Open Cyber Threat Intelligence Platform

• 5 "good first issue" issue(s)
• 1953 unresolved issues
• 5 open "good first issue" issue(s)

A modular SQL linter and auto-formatter with support for multiple dialects and templated code.

• Contributions welcome
• 1 "good first issue" issue(s)
• 1 open "good first issue" issue(s)

Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.

• 1 "help wanted" issue(s)
• 3 "good first issue" issue(s)
• Median open issue age is 169 days

Supercharge Git inside VS Code and unlock untapped knowledge within each repository — Visualize code authorship at a glance via Git blame annotations and CodeLens, seamlessly navigate and explore Git repositories, gain valuable insights via rich visualizations and powerful comparison commands, and so much more

• Help wanted
• 66 "help wanted" issue(s)
• 9 "good first issue" issue(s)

The no-magic web API and microservices framework for Python developers, with a focus on reliability and performance at scale.

• 14 "good first issue" issue(s)
• One contributor accounts for 75% of commits in the last 12 months
• Median open pull request age is 78 days

Test spies, stubs and mocks for JavaScript.

• 13 "help wanted" issue(s)
• 3 "good first issue" issue(s)
• Median open issue age is 2192 days

A BPMN 2.0 rendering toolkit and web modeler.

• 1 "help wanted" issue(s)
• 7 "good first issue" issue(s)
• Median open issue age is 1642 days

🏋️ Find out the cost of adding a new frontend dependency to your project

• Looking for contributors
• 5 "good first issue" issue(s)
• One contributor accounts for 99% of commits in the last 12 months

A design system built by IBM

• Contributions welcome
• 230 "help wanted" issue(s)
• 29 "good first issue" issue(s)

:bar_chart: A D3-based reusable chart library

• Pull requests welcome
• 2 "good first issue" issue(s)
• 1 active contributor in the last 12 months

🗜 JavaScript parser, mangler and compressor toolkit for ES6+

• 11 "good first issue" issue(s)
• 62 open pull requests
• 314 unresolved issues

Beautifier for javascript

• 6 "help wanted" issue(s)
• 18 "good first issue" issue(s)
• 1 active contributor in the last 12 months

🔵 Cerebro is an open-source launcher to improve your productivity and efficiency

• We welcome contributions
• 15 "help wanted" issue(s)
• 2 "good first issue" issue(s)

Aya is an eBPF library for the Rust programming language, built with a focus on developer experience and operability.

• Help wanted
• 18 "help wanted" issue(s)
• 1 "good first issue" issue(s)

YTsaurus is a scalable and fault-tolerant open-source big data platform.

• Help wanted
• 30 "help wanted" issue(s)
• 20 "good first issue" issue(s)

Official front-end implementation of ComfyUI

• We welcome contributions
• 23 "help wanted" issue(s)
• 8 "good first issue" issue(s)

Publish Rust crates from CI with a Release PR.

• 19 "help wanted" issue(s)
• 13 "good first issue" issue(s)
• Median open issue age is 582 days

Java to Closure JavaScript transpiler

• 5 "help wanted" issue(s)
• Median open pull request age is 60 days
• Median open issue age is 2248 days

Open Food Facts database, API server and web interface - 🐪🦋 Perl, CSS and JS coders welcome 😊 For helping in Python, see Robotoff or taxonomy-editor

• 15 "help wanted" issue(s)
• 40 "good first issue" issue(s)
• 1626 unresolved issues

Spelling, grammar and style checking on LaTeX documents

• 4 "help wanted" issue(s)
• Median open issue age is 1739 days
• Repository has recent commit activity