A curated list of production-ready open source SaaS applications and platforms. All projects are actively maintained and suitable for self-hosting or development.
- Backend & Infrastructure
- Content Management Systems
- Analytics & Monitoring
- AI & Machine Learning
- Developer Tools
- Team Collaboration
- Customer Support & Engagement
- Productivity & Project Management
- Desktop Applications
- Infrastructure & DevOps
- Document Management
- Financial Tools
An open-source Firebase alternative that provides a complete backend platform with Postgres database, authentication, real-time subscriptions, storage, and serverless functions.
An end-to-end backend server for web, mobile, and native applications that simplifies backend development with a comprehensive set of microservices and APIs.
An open-source Go backend that provides an all-in-one solution for building web and mobile applications with an embedded database, authentication, and API functionality.
NocoDB is an open-source Airtable alternative that transforms your database into a collaborative spreadsheet. It provides an intuitive interface for managing, editing, and sharing data without requiring extensive technical expertise.
An open-source, flexible headless CMS built with JavaScript/TypeScript that enables developers to manage and deliver content across multiple platforms with customizable hosting options.
Ghost is the most popular open source, headless Node.js CMS which already works with all the tools you know and love. It offers fiercely independent, professional publishing.
An open-source real-time API and dashboard for managing SQL database content, providing flexible data management across multiple database systems with no-code and extensible features.
A Next.js native, open-source headless CMS that installs directly in your existing app folder, offering a flexible and powerful content management solution.
An open-source observability platform for real-time infrastructure monitoring, providing instant insights into system performance with zero-configuration installation and powerful analytics capabilities.
An open-source, privacy-focused web analytics platform that provides simple and fast website traffic insights as an alternative to Google Analytics.
An open-source platform that helps product teams build and improve their software by providing comprehensive analytics, user insights, and experimentation tools.
A developer platform for error tracking and performance monitoring that helps developers identify, resolve, and gain insights into application issues across multiple programming languages and frameworks.
Metabase is the easy, open-source way for everyone in your company to ask questions and learn from data.
Simple, open source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics.
An open-source data visualization and dashboard tool that enables users to explore, query, and share data from multiple sources through an intuitive browser-based interface.
An open-source session replay platform that helps developers understand user interactions and troubleshoot web application issues by capturing comprehensive session data.
An open-source web analytics platform that provides full data ownership, privacy, and powerful tracking capabilities for websites.
An extensible, self-hosted AI platform that supports offline operation, multiple LLM runners, and provides a user-friendly interface for AI interactions.
An open-source, modern ChatGPT/LLMs UI framework that enables one-click deployment of private AI chat applications with multi-modal and extensible features.
A comprehensive AI application that allows users to chat with documents, use AI agents, and create customizable multi-user environments with easy setup and configuration.
An open-source AI chat platform that integrates multiple AI models, offering enhanced features and customization beyond traditional chatbots.
An open-source, offline AI assistant that enables users to run language models locally with full privacy and control across multiple hardware platforms.
An open-source API development ecosystem that helps developers create, test, and manage API requests efficiently with a user-friendly interface and powerful features.
An open-source, cross-platform API client that enables debugging, designing, testing, and mocking APIs across multiple protocols and formats.
A lightning-fast, developer-friendly search engine that enables seamless, intuitive search experiences across applications and websites with advanced features and easy integration.
A developer platform that provides on-demand, pre-configured cloud development environments that automatically integrate tools, libraries, and dependencies for software creation.
An open-source communication platform enabling secure, real-time conversations for organizations, supporting team collaboration, customer service, and flexible deployment across various channels.
An open source platform for secure collaboration across the software development lifecycle, enabling teams to communicate, coordinate, and manage projects efficiently.
An open-source community platform that provides a comprehensive solution for online discussions, real-time chat, and community engagement with extensive customization options.
A collaborative knowledge base platform for teams, built with React and Node.js, offering an intuitive way to share and organize information.
An open-source customer engagement platform that enables businesses to communicate with customers across multiple channels from a single dashboard.
An open-source surveying platform that helps teams gather user feedback through customizable surveys across multiple channels, enabling better user experience insights.
An open-source scheduling infrastructure that gives users full control over their scheduling workflow, data, and appearance. Designed as a flexible, self-hostable alternative to Calendly.
An open-source project management tool that helps teams define, organize, track, and manage work across individuals and teams. Available as a personal desktop app and server solution.
A robust framework for developing business applications like CRM systems, offering multiple integrated applications including Chat, Project Management, CRM, HRM, and ATS.
An AI-powered social media scheduling platform that helps businesses manage posts, build audiences, and optimize content across multiple social media platforms.
A native macOS code editor built by the community, designed to provide a seamless and native coding experience for developers working on various platforms.
An open-source screen recording application that allows users to easily capture, record, and share screen content using web technologies.
A macOS menu bar application that allows users to view, create, edit, and manage Apple Reminders with a simple and intuitive interface.
An open-source, self-hostable alternative to cloud deployment platforms like Heroku, Netlify, and Vercel. Enables users to manage servers, applications, and databases using their own hardware with just an SSH connection.
Dokploy is a free, self-hostable Platform as a Service that simplifies the deployment and management of applications and databases.
A proactive endpoint monitoring tool that performs health checks on services, providing real-time alerts and performance insights for modern applications.
An open-source synthetic monitoring platform that helps monitor websites and APIs globally, providing notifications about downtime and performance issues.
An open-source uptime and infrastructure monitoring application that tracks the operational status and performance of servers and websites, providing real-time alerts and comprehensive monitoring capabilities.
An open-source digital document signing platform that aims to provide a trusted, self-hostable alternative to traditional signing tools, empowering users with transparency and control.
An open-source tool for creating professional resumes using markdown, offering live preview, theme customization, and PDF export.
An open-source personal finance and wealth management application that allows users to manage their finances, with plans for self-hosting and future managed services.
Feel free to submit a pull request to add more awesome open source SaaS projects! Please ensure your submission is:
- Open source with an appropriate license
- Actively maintained
- Production-ready
- Well-documented
- Suitable for self-hosting or development
This list is under the MIT License. See the LICENSE file for details.