Curated list of open source alternatives to proprietary software.
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Updated
Nov 2, 2026
Curated list of open source alternatives to proprietary software.
Open source alternatives to paid SaaS apps: Notion, Slack, Auth0, Vercel and more. Curated list with licenses and GitHub stars.
Awesome list of AI reverse engineering and rebuilds: what AI agents took apart and recreated, and which ones really used REA (Reverse Engineer Anything).
A community-curated directory for exploring, requesting, and supporting independently recreated software
Open-source alternatives to the SaaS tools people pay for
Curated list of open source alternatives to proprietary software.
Curated TypeSafe Jev / System One GitHub projects, open-source alternatives, and Jev news
Find the Best Open Source Alternatives to Popular Software
A curated list of open-source alternatives to popular software and services. Each tool is listed in its single most relevant category.
Curated list of strictly self-hostable open-source alternatives to popular SaaS — picked for setup time, monthly cost, and migration friction. 100 SaaS, 294 alternatives. Generated from osalt.dev.
Open-source AI, ranked: apps, agents, models and the tools around them, each with strengths, weaknesses and a score from real GitHub signals. Re-checked twice a day.
Open-source discovery engine: rank, compare & find alternatives for GitHub repos. AI-powered scoring, trending analytics & SaaS replacement mapping.
Browser extension that suggests curated open-source alternatives for popular SaaS websites.
Complete, working, open-source alternatives to popular SaaS — agent-native, ready to generate into your own X.
A collective of free open-source repos for creators, updated daily.
The History of the Adobe Program and its Use | Specialized educational companion tool featuring interactive design timelines, software tool ancestry trees, workflow case studies, and custom UI layouts. Built for rapid local deployment, it ensures an optimized, low-overhead interface to explore creative software history.
ArtCraft Tracker: live dashboard of how ready the open-source Craft apps (PhotoCraft, VectorCraft, FilmCraft…) are vs Photoshop, Illustrator, Premiere Pro, Excel, AutoCAD. Parity, activity, releases.
Turn an old laptop into your own private cloud — one-click self-hosting of free open-source alternatives for non-technical Windows users.
Point it at a bank statement. It finds every recurring charge, tells you what free self-hosted software replaces it, and links to the page that cancels it.
A search engine for GitHub: find free, open-source alternatives to any software, or tools and plugins by what they do. Search in English or Spanish, filter by platform.
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