Free, self-hosted alternatives to the SaaS you already pay for
A curated directory of open source tools you can run yourself. Get the best new picks weekly, or jump straight into the directory.
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106+ open source SaaS alternatives, curated and updated regularly.
Scalar
Scalar is an offline-first, open-source API client designed for modern developers working with OpenAPI/Swagger.
Maccy
Maccy is a lightweight clipboard manager for macOS. It stores your copy history and allows you to quickly search, navigate, and reuse clipboard contents. Designed with speed and simplicity in mind, it offers a native macOS experience. Maccy prioritizes privacy and does not share your data.
Plane
Plane is an open-source project management tool that helps teams track issues, run cycles, and manage product roadmaps.
firecrawl
Firecrawl is an API that turns any URL into clean, LLM‑ready data. It crawls sites (no sitemap required), scrapes dynamic pages, and outputs markdown, HTML, structured JSON, screenshots, links, and metadata.
Docusaurus
Docusaurus is an open-source framework for building documentation websites quickly and efficiently. It offers a simple setup process, making it easy to create, deploy, and maintain project sites.
IINA
A modern, feature-rich video player exclusively designed for macOS, offering advanced playback capabilities and a sleek user interface.
AnythingLLM
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.
Rocket.Chat
An open-source communication platform enabling secure, real-time conversations for organizations, supporting team collaboration, customer service, and flexible deployment across various channels.
Meilisearch
A lightning-fast, developer-friendly search engine that enables seamless, intuitive search experiences across applications and websites with advanced features and easy integration.
Appwrite
An end-to-end backend server for web, mobile, and native applications that simplifies backend development by providing a comprehensive set of microservices and APIs.
Plausible
Simple, open source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics.
Strapi
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.
Sentry
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.
Payload CMS
A Next.js native, open-source headless CMS that installs directly in your existing app folder, offering a flexible and powerful content management solution.
Outline
A collaborative knowledge base platform for teams, built with React and Node.js, offering an intuitive way to share and organize information.
NocoDB
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.
Documenso
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.
OpenReplay
An open-source session replay platform that helps developers understand user interactions and troubleshoot web application issues by capturing comprehensive session data.
Ghost
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.
Postiz
An AI-powered social media scheduling platform that helps businesses manage posts, build audiences, and optimize content across multiple social media platforms.
Dokploy
Dokploy is a free, self-hostable Platform as a Service that simplifies the deployment and management of applications and databases.
Metabase
Metabase is the easy, open-source way for everyone in your company to ask questions and learn from data.
Hoppscotch
An open-source API development ecosystem that helps developers create, test, and manage API requests efficiently with a user-friendly interface and powerful features.
CodeEdit
A native macOS code editor built by the community, designed to provide a seamless and native coding experience for developers working on various platforms.
Novu
An open-source notifications framework that simplifies sending multi-channel notifications, empowering developers to integrate powerful communication tools into their applications.
Supabase
An open-source Firebase alternative that provides a complete backend platform with Postgres database, authentication, real-time subscriptions, storage, and serverless functions.
Gatus
A proactive endpoint monitoring tool that performs health checks on services, providing real-time alerts and performance insights for modern applications.
Dub
An open-source link management platform that helps marketing teams create, track, and optimize branded short links with advanced features and analytics.
Gitpod
A developer platform that provides on-demand, pre-configured cloud development environments that automatically integrate tools, libraries, and dependencies for software creation.
Netdata
An open-source observability platform for real-time infrastructure monitoring, providing instant insights into system performance with zero-configuration installation and powerful analytics capabilities.