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.
Join 1,000+ developers · No spam · Unsubscribe anytime
Or browse the directory directlyBrowse all projects
74+ open source SaaS alternatives, curated and updated regularly.
Olares
Olares is an open-source personal cloud operating system that lets you host your digital life on your own hardware. It provides self-hosted alternatives to public cloud services, covering AI model hosting, file storage, media servers, and smart home control. Built on Kubernetes, it offers enterprise-grade security, a sandboxed app ecosystem, and seamless remote access from any device.
OpenPanel
Openpanel is an open-source web and product analytics platform that combines the power of Mixpanel with the ease of Plausible and one of the best Google Analytics replacements.
SolidTime
Solidtime is an open‑source time tracking tool designed for freelancers and agencies. It offers a clean, modern interface and supports managing projects, tasks, and clients. Users can work across multiple organizations and customize billing rates. The platform also provides import tools for migrating from other trackers.
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.
ZZ Test Project
A throwaway test project
Hank
Hanko is an open-source authentication and user management solution designed with privacy-first principles such as data minimalism and phishing resistance.
Infisical
Infisical is an open-source secret management platform that helps teams securely manage and sync secrets, configurations, and cryptographic assets across environments.
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.
Ito
Ito is a smart dictation tool that brings seamless voice transcription to any app on your computer. With customizable trigger keys, real-time AI-powered transcription, and instant text insertion, it works across email, documents, chat apps, and code editors.
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.
TomatoBar
🍅 World's neatest Pomodoro timer for macOS menu bar
Polgee
Tolgee is an open‑source localization platform and i18n toolkit. It enables true in‑app, in‑context translation so teams can edit strings directly in the running app—even in production.
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.
Outline
A collaborative knowledge base platform for teams, built with React and Node.js, offering an intuitive way to share and organize information.
Mattermost
An open source platform for secure collaboration across the software development lifecycle, enabling teams to communicate, coordinate, and manage projects efficiently.
Cal.com
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.
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.
Metabase
Metabase is the easy, open-source way for everyone in your company to ask questions and learn from data.
Open WebUI
An extensible, self-hosted AI platform that supports offline operation, multiple LLM runners, and provides a user-friendly interface for AI interactions.
Meilisearch
A lightning-fast, developer-friendly search engine that enables seamless, intuitive search experiences across applications and websites with advanced features and easy integration.
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.
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.
Dokploy
Dokploy is a free, self-hostable Platform as a Service that simplifies the deployment and management of applications and databases.
Supabase
An open-source Firebase alternative that provides a complete backend platform with Postgres database, authentication, real-time subscriptions, storage, and serverless functions.
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.