Open-source apps for React, Next.js and more

39 real repositories worth reading — the fastest way to see how a whole product is put together rather than a single component. Descriptions, licences and star counts come from GitHub, last checked Sep 11, 2026.

39 apps

  • n8n

    204k

    n8n-io/n8n

    Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

    TypeScript
  • open-webui

    152k

    open-webui/open-webui

    User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

    Python
  • lobehub

    82k

    lobehub/lobe-chat

    🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI team.

    TypeScript
  • strapi

    73k

    strapi/strapi

    🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

    TypeScript
  • nocodb

    65k

    nocodb/nocodb

    🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

    TypeScript
  • plane

    59k

    makeplane/plane

    🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints, docs, and triage.

    TypeScriptAGPL-3.0
  • twenty

    57k

    twentyhq/twenty

    The open alternative to Salesforce, designed for AI.

    TypeScript
  • cal.diy

    48k

    calcom/cal.com

    Scheduling infrastructure for absolutely everyone.

    TypeScriptMIT
  • payload

    45k

    payloadcms/payload

    Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for building powerful applications.

    TypeScriptMIT
  • LibreChat

    43k

    danny-avila/LibreChat

    Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active

    TypeScriptMIT
  • appsmith

    41k

    appsmithorg/appsmith

    Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

    TypeScriptApache-2.0
  • novu

    40k

    novuhq/novu

    The open-source communication infrastructure for agents and products

    TypeScript
  • directus

    38k

    directus/directus

    The flexible backend for all your projects 🐰 Turn your DB into a headless CMS, admin panels, or apps with a custom UI, instant APIs, auth & more.

    TypeScript
  • dokploy

    37k

    Dokploy/dokploy

    Open Source Alternative to Vercel, Netlify and Heroku.

    TypeScript
  • medusa

    36k

    medusajs/medusa

    The world's most flexible commerce platform for agents and developers

    TypeScript
  • refine

    36k

    refinedev/refine

    A React Framework for building internal tools, admin panels, dashboards & B2B apps with unmatched flexibility.

    TypeScriptMIT
  • chatbot-ui

    33k

    mckaywrigley/chatbot-ui

    AI chat for any model.

    TypeScriptMIT
  • infisical

    29k

    infisical/infisical

    Infisical is the open-source platform for secrets, certificates, and privileged access management.

    TypeScript
  • dub

    25k

    dubinc/dub

    The modern link attribution platform. Loved by world-class marketing teams like Framer, Perplexity, Superhuman, Twilio, Buffer and more.

    TypeScript
  • activepieces

    24k

    activepieces/activepieces

    AI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automation / AI Agent with MCPs • AI Workflows & AI Agents • MCPs for AI Agents

    TypeScript
  • teable

    22k

    teableio/teable

    ✨ AI Spreadsheet for Business

    TypeScript
  • windmill

    18k

    windmill-labs/windmill

    Open-source developer platform to power your entire infra and turn scripts into webhooks, workflows and UIs. Fastest workflow engine (13x vs Airflow). Open-source alternative to Retool and Temporal.

    Rust
  • novel

    16k

    steven-tey/novel

    Notion-style WYSIWYG editor with AI-powered autocompletion.

    TypeScriptApache-2.0
  • trigger.dev

    16k

    triggerdotdev/trigger.dev

    Trigger.dev – build and deploy durable AI agents and workflows

    TypeScriptApache-2.0
  • documenso

    15k

    documenso/documenso

    The Open Source DocuSign Alternative.

    TypeScriptAGPL-3.0
  • midday

    15k

    midday-ai/midday

    Invoicing, Time tracking, File reconciliation, Storage, Financial Overview & your own Assistant made for Freelancers

    TypeScriptAGPL-3.0
  • commerce

    14k

    vercel/commerce

    Next.js Commerce

    TypeScriptMIT
  • formbricks

    13k

    formbricks/formbricks

    Open Source Qualtrics Alternative

    TypeScript
  • inbox-zero

    12k

    elie222/inbox-zero

    The world's best AI personal assistant for email. Open source app to help you reach inbox zero fast.

    TypeScript
  • keystone

    10.0k

    keystonejs/keystone

    The superpowered headless CMS for Node.js — built with GraphQL and React

    TypeScriptMIT
  • ghostfolio

    9.3k

    ghostfolio/ghostfolio

    Open Source Wealth Management Software. Angular + NestJS + Prisma + Nx + TypeScript 🤍

    TypeScriptAGPL-3.0
  • papermark

    9.2k

    mfts/papermark

    Papermark is the open-source DocSend alternative and secure data rooms with built-in analytics and custom domains.

    TypeScript
  • openstatus

    9.1k

    openstatusHQ/openstatus

    🫖 Status page with uptime monitoring & API monitoring as code 🫖

    TypeScriptAGPL-3.0
  • builder

    8.8k

    BuilderIO/builder

    Visual Development for React, Vue, Svelte, Qwik, and more

    TypeScriptMIT
  • platforms

    6.7k

    vercel/platforms

    A full-stack Next.js app with multi-tenancy.

    TypeScript
  • typehero

    6.6k

    typehero/typehero

    Connect, collaborate, and grow with a community of TypeScript developers

    TypeScriptAGPL-3.0
  • unkey

    5.4k

    unkeyed/unkey

    The Developer Platform for Modern APIs

    Go
  • rallly

    5.3k

    lukevella/rallly

    Rallly is an open-source scheduling and collaboration tool designed to make organizing events and meetings easier.

    TypeScriptAGPL-3.0
  • tolgee-platform

    4.1k

    tolgee/tolgee-platform

    Developer & translator friendly web-based localization platform

    TypeScript