Open Source Alternatives

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

The world’s fastest framework for building websites.

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

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.

🎥 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.

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

Scheduling infrastructure for absolutely everyone.

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.

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.

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

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

Open Source eCommerce & Multi-Vendor Marketplace Platform Built with Laravel for Enterprise-Scale Commerce, Supporting 10M+ SKUs

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.

Firefly III: a personal finances manager

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.

🚀🎉📚 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.

Bitwarden client apps (web, browser extension, desktop, and cli).

Open Source Qualtrics Alternative

Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind.

A source-available invoice, quote, project and time-tracking app built with Laravel

highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.

The Open Source Firebase Alternative with GraphQL.

Modern open-source time-tracking app

Open Source Invoicing Solution for Individuals & Businesses

Open-source, self-hosted CMS platform on AWS serverless (Lambda, DynamoDB, S3). TypeScript framework with multi-tenancy, lifecycle hooks, GraphQL API, and AI-assisted development via MCP server. Built for developers at large organizations.

Zammad is a web based open source helpdesk/customer support system.

Jitsu is an open-source Segment alternative. Fully-scriptable data ingestion engine for modern data teams. Set-up a real-time data pipeline in minutes, not days

LFX Community Data Platform (CDP)

An open source issue management & help desk solution. A zendesk & jira alternative

Developer-first OpenSource API DevTool, Postman/Insomnia alternative.

Enterprise-grade feature flag platform that you can self-host. Get started - free.

Generate powerful admin apps without writing a single line of code - Run `npx dashpress` to see some magic!

Open-source headless SvelteKit storefront for 26 commerce backends — Medusa, Shopify, Saleor, Vendure, WooCommerce, Litekart and more — plus GoCommerce via an early connector.

Open source Medium alternative- set up your personal blog in minutes.

Revert makes it incredibly easy to build integrations with any third party API

No-code and Low-code all-in-one platform to build landing pages, websites, web applications, APIs, automations. An alternative for Wix, Webflow, Zapier, and more