Discover recent open source alternatives
Discover recent open source alternatives to popular proprietary software tools.
shapez.io
Open source base-building and factory-automation puzzle game inspired by Factorio — extract, cut, rotate, and combine shapes on an infinite map.
Factorio
Mindustry
Open source automation tower defense RTS — build factories, mine resources, and defend your core against waves of enemies.
Factorio
Battle for Wesnoth
Free, open source turn-based strategy game set in a high-fantasy world, with single-player campaigns and online multiplayer.
Heroes of Might and Magic
OpenRA
Open source game engine that reimplements early Westwood classics including Command & Conquer: Red Alert, Tiberian Dawn, and Dune 2000.
Command & ConquerCookTrace
Self-hosted recipe, pantry, and cooking tracker with a PWA and native Android app — no telemetry, no cloud lock-in.
Paprika Recipe Manager
OpenKnowledge
AI-native, local-first markdown editor and LLM wiki with built-in integrations for Claude, Codex, and other agents.
openreads
Privacy-respecting mobile book tracker for iOS and Android, built with Flutter — your library lives on your device.
Goodreads
BookWyrm
Federated, self-hostable social network for readers — book shelves, reviews, and reading status, decentralized via ActivityPub.
Goodreads
Marp CLI
The official CLI for the Marp Markdown presentation ecosystem — write slides in Markdown and convert to HTML, PDF, PPTX, or images.
Microsoft PowerPoint
Slidev
Markdown-based presentation slides for developers, with code highlighting, Vue components, theming, and PDF/PPTX export.
Microsoft PowerPoint
Kova
Open source desktop Markdown presentation editor with live preview, themes, and PPTX export — a self-contained alternative to PowerPoint.
Microsoft PowerPoint
Shumai
Self-hostable open source video review and asset collaboration platform, a privacy-friendly alternative to Frame.io.
Frame.io
Anchor
Offline-first, self-hostable note-taking app with rich text, tags, attachments, and cross-device sync via Docker.
Google Keep
BookStack
Open source wiki and documentation platform with a books/shelves/pages model — a simple, self-hostable alternative to Confluence and Notion.
Adobe Acrobat
Leantime
Open source project management system for non-project managers, built with ADHD, autism, and dyslexia in mind — an Asana and Monday.com alternative.
Asana
Langfuse
Open source LLM engineering platform for tracing, evaluating, monitoring, and managing prompts as an alternative to LangSmith and Helicone.
OpenReplay
Self-hostable session replay, cobrowsing, and product analytics platform that is a strong open source alternative to Hotjar and FullStory.
Hotjar
Mailcow
Self-hostable, Dockerized mail server bundle that combines Postfix, Dovecot, and a polished web UI — a Gmail and Microsoft 365 alternative for organisations.
Standard Notes
End-to-end encrypted, open source notes app that is a privacy-focused alternative to Evernote, Notion, and Apple Notes.
Airtable
Anytype
Local-first, end-to-end encrypted alternative to Notion that lets you build a private knowledge base, docs, and tasks with no central server.
Logseq
Privacy-first, open source knowledge management and note-taking platform that is a powerful Roam Research and Obsidian alternative.
Authentik
Open source identity provider and SSO solution that replaces Auth0 and Okta with a self-hostable, flexible authentication platform.
Auth0
Outline
The fastest growing-team knowledge base — beautiful, realtime collaborative, feature packed, and markdown compatible Notion and Confluence alternative.
Forms.md
Developer-first open source Typeform alternative (formerly Blocks.md) with Markdown-defined forms and native Google Sheets integration.
Typeform