1.twentyhq / twenty
The open alternative to Salesforce, designed for AI.
Ranked by Attention Score: stars gained over the last 30 complete days
1–100 of 174 by Attention Score · Oct 4, 2026 – Nov 2, 2026 (UTC)
The open alternative to Salesforce, designed for AI.
#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
Virtual whiteboard for sketching hand-drawn like diagrams
A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!
The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.
OWASP Juice Shop: Probably the most modern and sophisticated insecure web application
:star2: Wiki of OI / ICPC for everyone. (某大型游戏线上攻略,内含炫酷算术魔法)
A modified web browser that helps in responsive web development. A web developer's must have dev-tool.
Easy to maintain open source documentation websites.
🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀
Open Source Wealth Management Software. Angular + NestJS + Prisma + Nx + TypeScript 🤍
A React Framework for building internal tools, admin panels, dashboards & B2B apps with unmatched flexibility.
🔒 A compiled checklist of 300+ tips for protecting digital security and privacy in 2026
Meshery, the cloud native manager
Backstage is an open framework for building developer portals
The Secure CommsOS™ for mission-critical operations
💾 Self-hosted online file converter. Supports 1000+ formats ⚙️
Making Docker and Kubernetes management easy.
🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.
MapLibre GL JS - Interactive vector tile maps in the browser
A blazing fast AI Gateway with integrated guardrails. Route to 1,600+ LLMs, 50+ AI Guardrails with 1 fast & friendly API.
Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.
A fully open source & end-to-end encrypted note taking alternative to Evernote.
🐻 Bear necessities for state management in React
Skip YouTube video sponsors (browser extension)
Mutation testing for JavaScript and friends
The full-stack Vue framework.
Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. Don't be shy, join here: https://discord.com/invite/NAb6H3UTjK :)
😸 Soothing pastel theme for the high-spirited!
💌 Build and send emails using React
A glossy Matrix collaboration client for the web.
The Monorepo Platform that amplifies both developers and AI agents. Nx optimizes your builds, scales your CI, and fixes failed PRs automatically. Ship in half the time.
tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them as animated backgrounds for your website. Ready to use components available for React.js, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Inferno, Solid, Riot and Web Components.
Zigbee 🐝 to MQTT bridge 🌉, get rid of your proprietary Zigbee bridges 🔨
The best way to start a full-stack, typesafe Next.js app
A design system built by IBM
HLS.js is a JavaScript library that plays HLS in browsers with support for MSE.
📘 OpenAPI/Swagger-generated API Reference Documentation
Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.
A commenting system powered by GitHub Discussions. :octocat: :speech_balloon: :gem:
Open-source feature management platform
Run compilers interactively from your web browser and interact with the assembly
Your window into all of your data
The repository for high quality TypeScript type definitions.
♾ A Graph Visualization Framework in JavaScript.
🤖 Headless, performant, and type-safe form state management for TS/JS, React, Vue, Angular, Solid, and Lit.
🚀 Generate GitHub profile README easily with the latest add-ons like visitors count, GitHub stats, etc using minimal UI.
A JavaScript library to position floating elements and create interactions for them.
The open source codebase powering HuggingChat
HedgeDoc - Ideas grow better together
Control and manage Android devices from your browser.
Make Your Company Data Driven. Connect to any data source, easily visualize, dashboard and share your data.
The AWS Cloud Development Kit is a framework for defining cloud infrastructure in code
🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.
List any node_modules 📦 dir in your system and how heavy they are. You can then select which ones you want to erase to free up space 🧹
The fast, flexible, and elegant library for parsing and manipulating HTML and XML.
A fast, simple & powerful blog framework, powered by Node.js.
⏳ Modern JavaScript date utility library ⌛️
A powerful JavaScript library for interacting with the Discord API
TypeScript & JavaScript ORM for Node.js — supports PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Oracle, and more.
OHIF zero-footprint DICOM viewer and oncology specific Lesion Tracker, plus shared extension packages
A code snippet storage solution written in React & node.js
Developer & translator friendly web-based localization platform
Material Design for React Native (Android & iOS)
Terminal in browser over http/https. (Ajaxterm/Anyterm alternative, but much better)
A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI (v3.1, v3.0, and v2.0), Arazzo v1.0, as well as AsyncAPI v2.x.
JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.
Next SEO is a plug in that makes managing your SEO easier in Next.js projects.
Cross platform configuration and management application for the Betaflight firmware
Hey is a decentralized and permissionless social media app built with Lens Protocol 🌿
📊 The concise and progressive visualization grammar.
Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
👻 Primitive and flexible state management for React
Low-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, crm, cms, etc. Supports PostgreSQL, MySQL, Supabase, GraphQL, MongoDB, MSSQL, Rest API, Hugging Face, Redis, etc. Automate workflows with schedule or webhook. Open source Retool.
🏆 Add dynamically generated GitHub Stat Trophies on your readme
Instant-loading web apps, without effort
TweetDeck for GitHub - Filter Issues, Activities & Notifications - Web, Mobile & Desktop with 99% code sharing between them
JSON Hero is an open-source, beautiful JSON explorer for the web that lets you browse, search and navigate your JSON files at speed. 🚀. Built with 💜 by the Trigger.dev team.
This unofficial extension integrates Draw.io (also known as diagrams.net) into VS Code.
Bootstrap components built with React
🥢 A minimalist-friendly ~2.2KB routing for React and Preact
An open-source activism platform
Pretty diff to html javascript library (diff2html)
A Code Playground That Just Works!
IDE-style autocomplete for your existing terminal & shell
The MQTT client for Node.js and the browser
Modern Telegram Bot Framework for Node.js
Mattermost Desktop application for Windows, Mac and Linux
Ember.js - A JavaScript framework for creating ambitious web applications
Amplication brings order to the chaos of large-scale software development by creating Golden Paths for developers - streamlined workflows that drive consistency, enable high-quality code practices, simplify onboarding, and accelerate standardized delivery across teams.
🎨 themer takes a set of colors and outputs themes for your apps (editors, terminals, wallpapers, and more).
Chromium for Serverless Platforms
Optimizing compiler for React
React Native Calendar Components 🗓️ 📆
An in memory postgres DB instance for your unit tests
The Turn Based Strategy Game/eSport. Master your beasts! 🐺
Mobile-first, accessible components for React Native & Web to build consistent UI across Android, iOS and Web.