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Open-source alternatives to Buffer

Buffer does 4 jobs: schedule posts to social networks, publish one post to many channels, draft posts with an AI assistant, see how posts perform. Most projects replace one or two of them, so pick the job you actually need.

Quick answer

Facts checked 21 Oct 2026

We track one open-source alternative to Buffer, but it doesn't have confirmed commercial use, local running and no paid services together. Postiz covers all 4 Buffer jobs.

1 project

Postiz

gitroomhq/postiz-app Actively maintained

★ 38k active today

Self-hosted social media scheduler for X, LinkedIn, Instagram, TikTok, Bluesky and more, with analytics, a public API and optional AI writing.

Replaces Schedule posts to social networks + Publish one post to many channels + Draft posts with an AI assistant + See how posts perform (partly)

Use it instead of paying for Buffer?

Personal use: Confirmed: Yes
For a business: Confirmed: Yes

Runs locally: Confirmed: Yes
Commercial use: Confirmed: Yes · AGPL-3.0
Paid services: Partial: Optional only
Hardware: Confirmed: CPU works
Setup: Confirmed: Medium

Compare 8 of 8 facts sourced · checked 1d ago GitHub ↗ View details

Common questions about Buffer alternatives

Is there a free, open-source alternative to Buffer?

Yes. Postiz is free to download and run on your own computer without paid API keys. It covers every job we list for Buffer.

Can I do schedule posts to social networks locally without a Buffer subscription?

Yes, with Postiz (AGPL-3.0). Check the hardware notes and licence conditions on each page before you start.

Can I do publish one post to many channels locally without a Buffer subscription?

Yes, with Postiz (AGPL-3.0). Check the hardware notes and licence conditions on each page before you start.

Which Buffer alternatives can I use commercially?

Confirmed: Postiz. This is not legal advice; read each licence.

Does any open-source project replace all of Buffer?

Postiz covers every job we list for Buffer.