Assembly Line

Mixpost vs Postiz-app

Mixpost and Postiz-app are both social media management software. Mixpost is open source under MIT, with 3.9k GitHub stars. Postiz-app is open source under AGPL-3.0, with 41k GitHub stars.

Which to pick

Pick Mixpost when
You want a self-hosted Buffer alternative and already run Laravel or PHP hosting.
Pick Postiz-app when
You manage several social accounts and want a Buffer alternative you can self-host or buy hosted.

Side by side

What it does

A Laravel package and app for scheduling and publishing social media posts with a content calendar and analytics on your own server.

A social media scheduler for planning, publishing and analysing posts across many networks, with team collaboration and AI assistance.

Watch out

Team and agency features are in paid Pro editions, and the free version has been quiet since March 2026.

Each network needs its own developer app and API approval when self-hosting, and the app is AGPL licensed.

Ready for

Usable (both)

Runs as

Self-hosted server

Self-hosted server and cloud service

Built with

PHP, Laravel and Vue

TypeScript, NestJS, Next.js, Prisma and Redis

Source code

Open source, MIT (permissive)

Open source, AGPL-3.0 (network copyleft)

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes.

How widely known

3.9k GitHub stars

41k GitHub stars

How established

Established: started 4 years ago, latest release 2.6.0.

Established: started 3 years ago, latest release v2.25.3.

Other comparisons

More social media scheduling and management tools

Every social media management product and project, ranked

Both sides were judged on 2026-11-03 from each project's README and GitHub data. License, age and popularity lines are worked out directly.