Open Source Projects
Explore our curated collection of open-source SaaS projects.
PostHog
An open-source platform that helps product teams build and improve their software by providing comprehensive analytics, user insights, and experimentation tools.
Zettlr
Zettlr is a one-stop publication workbench with integrated note-taking, citations, and a powerful search.
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.
Checkmate
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.

Reminders MenuBar
A macOS menu bar application that allows users to view, create, edit, and manage Apple Reminders with a simple and intuitive interface.
Plausible
Simple, open source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics.
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.
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.
Lobe Chat
An open-source, modern ChatGPT/LLMs UI framework that enables one-click deployment of private AI chat applications with multi-modal and extensible features.
IINA
A modern, feature-rich video player exclusively designed for macOS, offering advanced playback capabilities and a sleek user interface.
Uptime Kuma
A self-hosted monitoring tool for tracking website and service uptime with an easy-to-use interface and extensive notification capabilities.
Markdown Resume
An open-source tool for creating professional resumes using markdown, offering live preview, theme customization, and PDF export.
Novu
An open-source notifications framework that simplifies sending multi-channel notifications, empowering developers to integrate powerful communication tools into their applications.
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.
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.
Mattermost
An open source platform for secure collaboration across the software development lifecycle, enabling teams to communicate, coordinate, and manage projects efficiently.
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.