Best JavaScript Tools & Libraries

18 curated JavaScript tools, libraries, and open-source projects — hand-picked and ranked by the community.

bruno

github

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

Testing
★ 42,953

career-ops

github

AI-powered job search system built on Claude Code. 14 skill modes, Go dashboard, PDF generation, batch processing.

CLI Tools
★ 34,241

semantic-release

github

:package::rocket: Fully automated version management and package publishing

Automation
★ 23,558

metrics

github

📊 An infographics generator with 30+ plugins and 300+ options to display stats about your GitHub account and render them as SVG, Markdown, PDF or JSON!

Analytics
★ 16,471

automatisch

github

The open source Zapier alternative. Build workflow automation without spending time and money.

No-code
★ 13,769

Detox

github

Gray box end-to-end testing and automation framework for mobile apps

Automation
★ 11,890

pipedream

github

Connect APIs, remarkably fast. Free for developers.

Automation
★ 11,251

spug

github

开源运维平台:面向中小型企业设计的轻量级无Agent的自动化运维平台,整合了主机管理、主机批量执行、主机在线终端、文件在线上传下载、应用发布部署、在线任务计划、配置中心、监控、报警等一系列功能。

DevOps
★ 10,981

howtheysre

github

A curated collection of publicly available resources on how technology and tech-savvy organizations around the world practice Site Reliability Engineering (SRE)

DevOps
★ 9,716

artillery

github

The complete load testing platform. Everything you need for production-grade load tests. Serverless & distributed. Load test with Playwright. Load test HTTP APIs, GraphQL, WebSocket, and more. Use any Node.js module.

Testing
★ 8,960

release-it

github

🚀 Automate versioning and package publishing

Automation
★ 8,913

theByteBook

github

⭐ 【出版书籍】京东购买链接 https://item.jd.com/14531549.html 深入讲解内核网络、Kubernetes、ServiceMesh、容器等云原生相关技术。经历实践检验的 DevOps、SRE指南。

DevOps
★ 8,523

puppeteer-extra

github

💯 Teach puppeteer new tricks through plugins.

Automation
★ 7,296

cursor-talk-to-figma-mcp

github

TalkToFigma: MCP integration between AI Agent (Cursor, Claude Code) and Figma, allowing Agentic AI to communicate with Figma for reading designs and modifying them programmatically.

AI Tools
★ 6,656

GameDevMind

github

最全面的游戏开发技术图谱(Game Development Map)。帮助游戏开发者们在已知问题上节省时间,省出更多的精力投入到更有创造性的工作中去。

Frameworks
★ 6,259

udemy-docker-mastery

github

Docker Mastery Udemy course to build, compose, deploy, and manage containers from local development to high-availability in the cloud

DevOps
★ 5,758

cabot

github

Self-hosted, easily-deployable monitoring and alerts service - like a lightweight PagerDuty

DevOps
★ 5,669

server-survival

github

Tower defense game that teaches cloud architecture. Build infrastructure, survive traffic, learn scaling.

Cloud
★ 5,594