Open Source Software Alternatives

Open-source self-hosted music discovery and playlist companion for Lidarr with personalised recommendations, playlist automation, and multi-user support.

Open source ticketing system with zero per-attendee fees. Self-hostable on Deno with Stripe, Square, or SumUp, and end-to-end encrypted attendee data.

Self-hosted workout and fitness manager with nutrition tracking and mobile apps.

Qt-based Linux and Windows screencast creator with multi-source audio, webcam overlay, Wayland support and click effects.

Terminal-based stock market visualizer that displays real-time stock graphs directly in your terminal.

Open source base-building and factory-automation puzzle game inspired by Factorio — extract, cut, rotate, and combine shapes on an infinite map.

Open-source virtual whiteboard for creating hand-drawn style diagrams and sketches.

A self hosted dashboard and organizer for Excalidraw with live collaboration.

EverShop is a modern, TypeScript-first eCommerce platform built with GraphQL and React. Designed for developers, it offers essential commerce features in a modular, fully customizable architecture—perfect for building tailored shopping experiences with confidence and speed.

Open-source real-time collaborative text editor you can self-host.

A desktop GUI application for the Hugo static site generator, designed for content editors without command-line knowledge.

Privacy-friendly web analytics with no cookies or personal data, shipped as a single Go binary you can self-host.

Translate web pages, highlighted text, Netflix subtitles, private messages, speak the translated text, and save important translations to your personal dictionary to learn words even offline

Real-time collaborative markdown note editor you can self-host — write together with rich formatting and seamless sharing.

Open source API development ecosystem - https://hoppscotch.io (open-source alternative to Postman, Insomnia)

The official CLI for the Marp Markdown presentation ecosystem — write slides in Markdown and convert to HTML, PDF, PPTX, or images.

Yamtrack is a self-hosted media tracker for movies, TV shows, anime, games, books, and manga. Sync progress, discover new titles, and manage your watch and read lists from one place.

Free offline maps app for travelers, hikers, and cyclists using OpenStreetMap data. No ads, no tracking.

Open source desktop Markdown presentation editor with live preview, themes, and PPTX export — a self-contained alternative to PowerPoint.

High performance self-hosted photo and video management solution with automatic backup, facial recognition, and AI-powered search.

Open-source uptime and SSL monitoring service with status pages, multiple notification channels, and Prometheus integration.

Keila is the open-source newsletter and email campaign tool — a friendly Mailchimp alternative for beautiful campaigns, sign-up forms, and contact lists.

A self-hosted, lightweight web media server for streaming your personal comics, manga, ebooks, and audiobooks.

Open-source financial data platform for analysts, quants, and AI agents — a free alternative to Bloomberg Terminal.

WeKan is an open-source kanban board built with Meteor — a free, self-hosted Trello alternative for tracking tasks, lists, cards, and shared team workflows with full control.

Deep clean and optimize your Mac with this all-in-one CLI toolkit.

Open-source AI IDE that plans before it codes, using spec-driven development with requirements, design, and task steps.

Modern, fully featured open source video and media CMS built with Django and React for self-hosted video sharing.

Open-source identity and access management with SSO, OAuth2, OIDC, and SAML support for modern applications.

Golocron is a plug-and-play blogging and wiki system designed for Go backends. Markdown support, live preview, and a clean UI for quick content sites.

Painless self-hosted all-in-one software development service with Git hosting, code review, CI/CD, and package registry.

A free, source-available macOS app cleaner with privacy in mind.

PureMac is a free, open-source macOS cleaner and optimizer with zero telemetry. Cache, junk, and uninstall cleanup make it a true CleanMyMac alternative you can fully trust.

An open source movie and TV show tracker app for Android with IMDb integration.

Open-source, AI-native project management platform — a self-hostable alternative to Jira, Linear, Monday, and ClickUp.

Open-source uptime monitoring and status page platform with synthetic checks from 28 global regions and multi-channel alerting.

OpenProject is open-source project management software for agile teams. A powerful alternative to Jira, Asana, Trello, and Monday.com — fully self-hosted and free to use.

Self-hostable open source video review and asset collaboration platform, a privacy-friendly alternative to Frame.io.

A fully open-source headless CMS with Git support, Markdown editing, and live visual preview for React-based sites.

Instant messaging platform with self-hosted backend in Go and clients for iOS, Android, web, and command line.

Open source screen recording sharing platform — a self-hostable Loom alternative.

A self-hosted book tracker powered by your Calibre library — Goodreads for your own collection.

Open-source macOS launcher with Raycast-compatible extensions, voice workflows, and AI-native actions.

Self-hosted AI transcription and intelligent note-taking platform that turns audio recordings into organized, searchable notes with speaker identification.

Journaler is a free, open-source daily journal built with simplicity and privacy in mind. Capture entries in markdown, search past thoughts, and own your data on your own device.

Open-source framework for building and deploying high-frequency crypto trading bots with market making and arbitrage strategies.

A headless browser built from scratch in Zig, optimised for AI agents and automation with 9x less memory and 11x faster execution than Chrome.

Federated link aggregator and community discussion platform — a decentralized, self-hostable alternative to Reddit.

Free and open-source media server for movies, TV shows, music, and photos — a fully self-hosted alternative to Plex.

Wiki.js is a modern, powerful open-source wiki app built on Node.js. Versioned, searchable, beautiful, and self-hosted — a knowledge base for any team, big or small.

Self-hosted image sharing app that ships as a single static binary with multi-user support and shareable guest albums.