Open Source Alternatives

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.

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

The Prometheus monitoring system and time series database.

🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

🎥 Make videos programmatically with React

The web framework for content-driven websites. ⭐️ Star to support our work!

An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stack applications and 280+ one-click services on your own servers.

Penpot: The open-source design platform for Product teams that need scalable collaboration.

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

The open alternative to Salesforce, designed for AI.

Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.

Independent technology for modern publishing, memberships, subscriptions and newsletters.

Your self-hosted, globally interconnected microblogging community

The easy-to-use open source Business Intelligence and Embedded Analytics tool that lets everyone work with data :bar_chart:

Scheduling infrastructure for absolutely everyone.

The Secure CommsOS™ for mission-critical operations

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.

A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: https://logseq.io/p/NX4mc_ggEV

Open-source foundation of ToolJet AI - the enterprise app generation platform for internal tools, dashboards, business applications, workflows and AI agents. Build visually, from a prompt, or from Claude Code, Codex and Cursor over MCP 🚀

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

The open-source communication infrastructure for agents and products

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

Umami is a privacy-first analytics platform. Traffic, campaigns, behavior, conversions, and revenue in one place — no cookies, no surveillance, self-hosted or in the cloud.

Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬

OpenAssistant is a chat-based assistant that understands tasks, can interact with third-party systems, and retrieve information dynamically to do so.

Open Source Identity and Access Management For Modern Applications and Services

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

Send push notifications to your phone or desktop using PUT/POST

The next open source file uploader for web browsers :dog:

Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.

Open source, privacy-first web analytics. Lightweight, cookie-free Google Analytics alternative. Self-hosted or cloud.

AI agents, automations and apps that run your operations. Model agnostic.

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

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

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

A set of over 6200 free MIT-licensed high-quality SVG icons for you to use in your web projects.

Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.

A simpler site generator. Transforms a directory of templates (of varying types) into HTML.

Radix Primitives is an open-source UI component library for building high-quality, accessible design systems and web apps. Maintained by @workos.

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.

🧠 Leon is your open-source personal assistant.

A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)

🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.

The Open Source DocuSign Alternative.

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

A fully open source & end-to-end encrypted note taking alternative to Evernote.

🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.