Open source abac projects
Every project in the registry tagged abac, ranked by real GitHub adoption.
Build scalable authorization in minutes, not months
Secure, policy-based access control for modern applications
A next-gen FOSS self-hosted unified zero trust secure access platform that can operate as a remote access VPN, a ZTNA platform, API/AI/MCP gateway, a PaaS, an n
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Frequently asked questions
How many open source abac projects are there?
This registry tracks 3 projects tagged abac, with 14,596 GitHub stars between them. The most-adopted is Permify at 5,952 stars.
Are these abac projects free to use?
Yes — 3 of the 3 carry an explicit open-source licence across 2 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.
Which abac project should I choose?
The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.
Are these abac projects still maintained?
3 of the 3 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.