"Next.js" is a popular open-source React framework that enables developers to build server-rendered applications with ease and efficiency. Launched by Vercel, it provides a powerful suite of tools to optimize the performance and scalability of web applications with features like page-based routing, automatic code splitting, static site generation, and server-side rendering. By combining the best practices of React with the simplicity of a full-stack framework, Next.js allows developers to easily manage complex applications, improve SEO performance through server-side rendered pages, and enhance user experience with rapid load times. Additionally, it supports API routes, which enable developers to create serverless functions directly within the application, facilitating seamless integration with backend services. With its robust ecosystem, developers can quickly get started and leverage myriad plugins and configurations to build modern, dynamic web applications.
View the most prominent open source Next projects in the list below. Click on a specific project to view its alternative or complementary packages. Make comparisons and find the best package for your app.
- f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organi…☆172,590Updated this week
- Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self…☆158,149Updated this week
- The React Framework☆143,135Updated this week
- Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and mak…☆125,336Updated this week
- The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.☆111,363Updated this week
- ✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top mod…☆88,837Updated this week
- An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stac…☆62,855Updated this week
- The open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more☆57,635Updated this week
- Scheduling infrastructure for absolutely everyone.☆48,947Sep 26, 2026Updated 2 weeks ago
- ✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interac…☆44,471Sep 14, 2026Updated 3 weeks ago
- Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin …☆45,190Updated this week
- 🧙♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.☆40,693Updated this week
- OpenAssistant is a chat-based assistant that understands tasks, can interact with third-party systems, and retrieve information dynamical…☆37,379Aug 17, 2024Updated 2 years ago
- The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol☆37,933Updated this week
- Open Source Alternative to Vercel, Netlify and Heroku.☆37,751Updated this week
- A React Framework for building internal tools, admin panels, dashboards & B2B apps with unmatched flexibility.☆35,841Sep 10, 2026Updated last month
- 📨 The ultimate agentic social media scheduling tool 🤖☆37,024Updated this week
- React Hooks for Data Fetching☆32,493Sep 22, 2026Updated 2 weeks ago
- A highly customizable homepage (or startpage / application dashboard) with Docker and service API integrations.☆33,060Updated this week
- Open Source AI Platform - AI Chat with advanced features that works with every LLM☆32,404Updated this week
- SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in…☆32,328Updated this week
- Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders.☆29,805Updated this week
- The Monorepo Platform that amplifies both developers and AI agents. Nx optimizes your builds, scales your CI, and fixes failed PRs automa…☆29,400Updated this week
- The best way to start a full-stack, typesafe Next.js app☆29,158Dec 13, 2025Updated 9 months ago
- FastGPT is a knowledge-based platform built on the LLMs, offers a comprehensive suite of out-of-the-box capabilities such as data process…☆29,794Updated this week
- Clone any website with one command using AI coding agents☆36,495Oct 5, 2026Updated last week
- Authentication for the Web.☆28,367Jul 22, 2026Updated 2 months ago
- The #1 AI Harness for Building Resumes, PDFs, Cover Letters & more, locally with 100+ LLMs support.☆28,634Updated this week
- A self-hostable bookmark-everything app (links, notes and images) with AI-based automatic tagging and full text search☆29,588Updated this week
- Mastra is the modern TypeScript framework for AI-powered applications and agents.☆28,707Updated this week
- The Developer Tool for Visual Engineers • An Open-Source AI-First Design tool • Visually build, style, and edit your code with AI • World…☆26,893Aug 25, 2026Updated last month
- The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered application…☆27,243Updated this week
- The modern link attribution platform. Loved by world-class marketing teams like Framer, Perplexity, Superhuman, Twilio, Buffer and more.☆24,873Updated this week
- Readest is a modern, feature-rich ebook reader designed for avid readers offering seamless cross-platform access, powerful tools, and an …☆25,075Updated this week
- UI Library for Design Engineers. Animated components and effects you can copy and paste into your apps. Free. Open Source.☆22,592Updated this week
- Local, open-source AI app builder for power users ✨ v0 / Lovable / Replit / Bolt alternative 🌟 Star if you like it!☆21,839Updated this week
- A full-featured, hackable Next.js AI chatbot built by Vercel☆20,991Jul 8, 2026Updated 3 months ago
- Mobile-first, accessible components for React Native & Web to build consistent UI across Android, iOS and Web.☆20,373Jan 31, 2026Updated 8 months ago
- Open source Loom alternative. Beautiful, shareable screen recordings.☆23,213Updated this week