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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138+ 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.
Loro
Loro is a CRDT (Conflict-free Replicated Data Types) library that makes it easy to build collaborative, local-first applications. It offers automatic merging, offline availability, and fast synchronization across peers.
Keycloak
Keycloak is an open-source Identity and Access Management (IAM) solution that makes it simple to add authentication and authorization to your applications and services.
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.
Redash
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.
IINA
A modern, feature-rich video player exclusively designed for macOS, offering advanced playback capabilities and a sleek user interface.
Zettlr
Zettlr is a one-stop publication workbench with integrated note-taking, citations, and a powerful search.
Matomo
An open-source web analytics platform that provides full data ownership, privacy, and powerful tracking capabilities for websites.
Insomnia
An open-source, cross-platform API client that enables debugging, designing, testing, and mocking APIs across multiple protocols and formats.
OpenStatus
An open-source synthetic monitoring platform that helps monitor websites and APIs globally, providing notifications about downtime and performance issues.
Huly Platform
A robust framework for developing business applications like CRM systems, offering multiple integrated applications including Chat, Project Management, CRM, HRM, and ATS.
Directus
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.
Coolify
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.
Chatwoot
An open-source customer engagement platform that enables businesses to communicate with customers across multiple channels from a single dashboard.
PostHog
An open-source platform that helps product teams build and improve their software by providing comprehensive analytics, user insights, and experimentation tools.
Uptime Kuma
A self-hosted monitoring tool for tracking website and service uptime with an easy-to-use interface and extensive notification capabilities.
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.
Gitpod
A developer platform that provides on-demand, pre-configured cloud development environments that automatically integrate tools, libraries, and dependencies for software creation.
Dub
An open-source link management platform that helps marketing teams create, track, and optimize branded short links with advanced features and analytics.
Gatus
A proactive endpoint monitoring tool that performs health checks on services, providing real-time alerts and performance insights for modern applications.
Novu
An open-source notifications framework that simplifies sending multi-channel notifications, empowering developers to integrate powerful communication tools into their applications.
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.
OpenReplay
An open-source session replay platform that helps developers understand user interactions and troubleshoot web application issues by capturing comprehensive session data.
Supabase
An open-source Firebase alternative that provides a complete backend platform with Postgres database, authentication, real-time subscriptions, storage, and serverless functions.
Metabase
Metabase is the easy, open-source way for everyone in your company to ask questions and learn from data.
Dokploy
Dokploy is a free, self-hostable Platform as a Service that simplifies the deployment and management of applications and databases.
Postiz
An AI-powered social media scheduling platform that helps businesses manage posts, build audiences, and optimize content across multiple social media platforms.