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Open Source Frameworks & Platforms

A curated collection of the best open source software frameworks, platforms, and libraries for application development.

See also:Mobile DevelopmentWeb FrameworksLow-Code/No-CodeBackend-as-a-Service (BaaS)Frontend Development
Favicon of Baserow

Baserow

No-code database and app builder you can self-host

  • Stars

    5,662

  • Last commit

    2 days ago

  • License

    MIT
Open-source platform for building databases, internal apps, and automated workflows without writing code. Available on cloud or self-hosted.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of n8n

n8n

Visual workflow automation with code flexibility and AI agents

  • Stars

    202,110

  • Last commit

    3 hours ago

  • License

    Unknown
Build automated workflows connecting 500+ apps, write custom code, and deploy AI agents with full visibility into every decision. Self-hostable or cloud.

Open Source Alternative to:

Favicon of Make
Make
Favicon of Langflow

Langflow

AI
Visual builder for AI agents and RAG pipelines

  • Stars

    153,586

  • Last commit

    17 hours ago

  • License

    MIT
Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.

Open Source Alternative to:

Favicon of Voiceflow
Voiceflow
Favicon of Supabase

Supabase

Postgres-powered backend platform for production apps

  • Stars

    108,319

  • Last commit

    13 hours ago

  • License

    Apache-2.0
Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.

Open Source Alternative to:

Favicon of Firebase
Firebase
Favicon of PocketBase

PocketBase

Open-source backend in a single file

  • Stars

    60,782

  • Last commit

    17 hours ago

  • License

    MIT
A lightweight, self-hosted backend solution with real-time database, authentication, and file storage capabilities.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of NocoDB

NocoDB

Transform databases into intuitive spreadsheets instantly

  • Stars

    64,672

  • Last commit

    14 hours ago

  • License

    AGPL-3.0
Convert any database into a no-code platform with spreadsheet interface. Connect PostgreSQL/MySQL or use hosted database. Scale to millions of rows effortlessly.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of Appwrite

Appwrite

Open-source backend platform for rapid app development

  • Stars

    57,105

  • Last commit

    4 hours ago

  • License

    BSD-3-Clause
Open-source development platform with built-in backend infrastructure, web hosting, and security features. Scale applications using your preferred programming languages.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of ToolJet

ToolJet

Build internal tools rapidly without coding

  • Stars

    40,725

  • Last commit

    6 hours ago

  • License

    AGPL-3.0
Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface

Open Source Alternative to:

Favicon of Retool
Retool
Favicon of AppSmith

AppSmith

Empower your team to build custom internal tools rapidly

  • Stars

    40,727

  • Last commit

    2 days ago

  • License

    Apache-2.0
Low-code platform for creating powerful internal tools and dashboards with drag-and-drop ease, robust integrations, and customizable workflows.

Open Source Alternative to:

Favicon of Make
Make
Favicon of TipTap

TipTap

Craft rich text experiences with ease

  • Stars

    38,135

  • Last commit

    3 days ago

  • License

    MIT
A customizable, open-source rich text editor framework for modern web applications, built on Vue and Prosemirror
Favicon of Directus

Directus

Open-source data platform for effortless content management

  • Stars

    37,484

  • Last commit

    8 hours ago

  • License

    Unknown
A versatile headless CMS and API engine that simplifies data management, content creation, and application development.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of Refine

Refine

Build data-rich React apps with ease and flexibility

  • Stars

    35,557

  • Last commit

    3 months ago

  • License

    MIT
A React-based framework for rapid development of internal tools, admin panels, and dashboards with powerful data handling capabilities.

Open Source Alternative to:

Favicon of Retool
Retool
Favicon of Reflex

Reflex

Full-stack Python platform for web apps and internal tools

  • Stars

    28,844

  • Last commit

    22 hours ago

  • License

    Apache-2.0
Build, iterate, and deploy full-stack web apps entirely in Python. Reflex combines an AI app builder, a full-stack framework, and one-click deployment in one platform.

Open Source Alternative to:

Favicon of Lovable
Lovable
Favicon of Onlook

Onlook

AI
Visual React editor with real-time code updates

  • Stars

    26,544

  • Last commit

    1 month ago

  • License

    Apache-2.0
Onlook is an open-source desktop app that allows you to visually edit React applications and automatically write changes back to your code in real-time.

Open Source Alternative to:

Favicon of Framer
Framer
Favicon of ActivePieces

ActivePieces

Automate workflows with no-code integration platform

  • Stars

    24,001

  • Last commit

    4 hours ago

  • License

    MIT
Open-source integration platform for seamless workflow automation. Connect apps, automate tasks, and boost productivity effortlessly.

Open Source Alternative to:

Favicon of n8n
n8n
Favicon of Budibase

Budibase

Build powerful web apps without complex coding

  • Stars

    28,239

  • Last commit

    2 days ago

  • License

    Unknown
Low-code platform for creating custom business applications quickly. Design, automate, and deploy with ease.

Open Source Alternative to:

Favicon of Power Apps
Power Apps
Favicon of NocoBase

NocoBase

Build custom apps without code, deploy with ease

  • Stars

    23,793

  • Last commit

    4 hours ago

  • License

    Unknown
Open-source no-code platform for creating tailored business applications quickly, with full customization and easy deployment options.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of Teable

Teable

Flexible database meets intuitive spreadsheet interface

  • Stars

    21,694

  • Last commit

    7 hours ago

  • License

    AGPL-3.0
Open-source platform combining powerful database capabilities with a user-friendly spreadsheet interface for efficient data management and collaboration.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of Automa

Automa

Build AI agents and RPA workflows without writing code

  • Stars

    21,578

  • Last commit

    6 months ago

  • License

    Unknown
No-code platform for building AI agents and RPA workflows that automate repetitive business tasks across finance, HR, sales, and operations.

Open Source Alternative to:

Favicon of n8n
n8n
Favicon of Trigger

Trigger

Run long-running AI tasks without timeouts or servers

  • Stars

    16,105

  • Last commit

    2 days ago

  • License

    Apache-2.0
Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.

Open Source Alternative to:

Favicon of Make
Make
Favicon of Convex

Convex

Build full-stack apps with TypeScript and real-time sync

  • Stars

    12,416

  • Last commit

    2 days ago

  • License

    Unknown
Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Typebot

Typebot

Create powerful chatbots without coding

  • Stars

    10,280

  • Last commit

    2 days ago

  • License

    Unknown
Design, build, and deploy interactive chatbots with a visual editor. Integrate easily and collect data effortlessly.

Open Source Alternative to:

Favicon of Manychat
Manychat
Favicon of AITable

AITable

Visual database for workflow automation across apps

  • Stars

    15,567

  • Last commit

    10 months ago

  • License

    AGPL-3.0
AITable.ai offers a visual database platform that simplifies workflow automation and connects to over 6,000 apps through integrations like Zapier and Make.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of Encore

Encore

Accelerate backend development with effortless scalability

  • Stars

    12,296

  • Last commit

    3 days ago

  • License

    MPL-2.0
A powerful platform for building cloud backends, automating infrastructure, and simplifying development workflows for faster, more efficient coding.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Grist

Grist

Flexible spreadsheets with database power

  • Stars

    11,605

  • Last commit

    14 hours ago

  • License

    Apache-2.0
A versatile data management platform combining spreadsheet simplicity with relational database capabilities for efficient data organization and analysis.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of Instant

Instant

Realtime client-side database for collaborative apps

  • Stars

    10,451

  • Last commit

    2 days ago

  • License

    Apache-2.0
Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of HeyForm

HeyForm

Create powerful forms with ease and flexibility

  • Stars

    8,945

  • Last commit

    5 days ago

  • License

    AGPL-3.0
A versatile form builder for crafting custom surveys, quizzes, and data collection tools with advanced features and integrations.

Open Source Alternative to:

Favicon of Google Forms
Google Forms
Favicon of Alokai

Alokai

Build and deploy scalable storefronts with ease

  • Stars

    10,943

  • Last commit

    3 months ago

  • License

    MIT
A comprehensive Frontend as a Service solution that helps developers create, deploy and manage enterprise ecommerce storefronts with ready integrations and cloud infrastructure.

Open Source Alternative to:

Favicon of Shopify
Shopify
Favicon of WebStudio

WebStudio

Visual web development with code-level control

  • Stars

    8,858

  • Last commit

    12 hours ago

  • License

    AGPL-3.0
Powerful no-code platform for building responsive websites. Combines visual editing with full HTML/CSS customization.

Open Source Alternative to:

Favicon of Framer
Framer
Favicon of KeystoneJS

KeystoneJS

Flexible, scalable Node.js CMS and app framework

  • Stars

    9,963

  • Last commit

    4 days ago

  • License

    MIT
A powerful, customizable content management system and application framework built on Node.js, GraphQL, and React

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of NHost

NHost

Serverless backend platform for modern app development

  • Stars

    9,280

  • Last commit

    7 hours ago

  • License

    MIT
Fully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Hatchet

Hatchet

Effortless CI/CD for modern cloud applications

  • Stars

    7,781

  • Last commit

    14 hours ago

  • License

    MIT
Durable orchestration platform for managing AI agents, scheduling background tasks, and running mission-critical workflows.

Open Source Alternative to:

Favicon of Make
Make
Favicon of Vendure

Vendure

Flexible e-commerce for modern businesses

  • Stars

    8,368

  • Last commit

    6 hours ago

  • License

    MIT
A headless, API-first e-commerce framework built on Node.js with TypeScript, offering customization and scalability for online stores.

Open Source Alternative to:

Favicon of WooCommerce
WooCommerce
Favicon of Builder

Builder

Visual development platform for modern web experiences

  • Stars

    8,806

  • Last commit

    2 days ago

  • License

    MIT
Drag-and-drop interface for creating and optimizing digital experiences, with headless CMS and powerful integrations.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of Webiny

Webiny

Open-source serverless CMS for modern web projects

  • Stars

    8,032

  • Last commit

    8 hours ago

  • License

    MIT
A powerful, scalable platform for building custom websites and apps with serverless architecture, offering flexibility and cost-efficiency.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of Plasmic

Plasmic

Visual app builder that integrates with your existing codebase

  • Stars

    6,968

  • Last commit

    15 hours ago

  • License

    MIT
Open-source visual editor for building websites and web apps. Connect to any data source, design custom UIs, and ship production React code without leaving your stack.

Open Source Alternative to:

Favicon of Framer
Framer
Favicon of Mockoon

Mockoon

Effortless API mocking for seamless development

  • Stars

    8,376

  • Last commit

    7 hours ago

  • License

    MIT
Create, run, and share mock REST APIs without coding. Boost productivity with an intuitive interface and powerful features.

Open Source Alternative to:

Favicon of Postman
Postman
Favicon of Fonoster

Fonoster

Open-source cloud communications platform for developers

  • Stars

    8,081

  • Last commit

    2 days ago

  • License

    MIT
Build and deploy powerful voice and messaging applications with ease using Fonoster's flexible, scalable, and developer-friendly platform.

Open Source Alternative to:

Favicon of Twilio
Twilio
Favicon of Inngest

Inngest

Effortless event-driven workflows for modern applications

  • Stars

    5,760

  • Last commit

    12 hours ago

  • License

    SSPL-1.0
Simplify backend processes with event-driven functions, seamless integrations, and powerful debugging tools for developers.

Open Source Alternative to:

Favicon of Kafka
Kafka
Favicon of Mathesar

Mathesar

Spreadsheet-like interface for PostgreSQL databases

  • Stars

    5,104

  • Last commit

    22 hours ago

  • License

    GPL-3.0
A self-hosted tool that provides an intuitive, spreadsheet-style interface for viewing, editing, and querying PostgreSQL databases without technical expertise.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of Rowy

Rowy

Build powerful backends without leaving your browser

  • Stars

    6,835

  • Last commit

    2 years ago

  • License

    Apache-2.0
A low-code platform for creating robust backends, complete with a spreadsheet UI for easy data management and custom functions.

Open Source Alternative to:

Favicon of Airtable
Airtable
Favicon of OpnForm

OpnForm

Create powerful forms with ease and flexibility

  • Stars

    3,633

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
A versatile open-source form builder for collecting data, managing submissions, and integrating with your favorite tools.

Open Source Alternative to:

Favicon of Google Forms
Google Forms
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