head to head
Buffer vs postiz
postiz is the open source alternative to Buffer — social media scheduling. Here is the honest comparison.
Yes — postiz is a viable free replacement for Buffer. postiz is open source under AGPL-3.0, written in TypeScript, with 36,014 GitHub stars, 6,900 forks and 306 open issues; it was last pushed 6 hours ago. Buffer costs from $6, while self-hosting postiz carries no licence fee — the trade is your operational time instead of a subscription. 1 other open source Buffer alternative is tracked here, led by Mixpost at 3,718 stars. postiz ranks #1 of 2 tracked open source Buffer alternatives by stars. The tracked set, by adoption: Mixpost (3,718 stars). Replacement criteria on this page: 4 reasons to move to postiz and 3 reasons to stay on Buffer.
choose postiz if
- Your Buffer bill is growing with seats or usage
- You need your data in a format and server you control
- Your compliance posture requires auditing the code that touches sensitive data
- You have (or can rent) a server and basic Docker comfort
stick with Buffer if
- You need the polished onboarding and support SLAs of a commercial vendor
- Your team has zero capacity to operate software, even self-hosted-simple
- You depend on a Buffer integration ecosystem that the OSS alternatives have not replicated
Side by side
| postiz (open source) | Buffer | |
|---|---|---|
| Price | Free (self-hosted) | Free / $6-120/month |
| License | AGPL-3.0 | Proprietary |
| Source code | Public, auditable | Closed |
| Self-hosting | Yes — gitroomhq/postiz-app | Cloud only |
| Data ownership | Your server, your format | Vendor's cloud |
| Community | ★ 36K · ⑂ 6.9K | — |
| Built with | TypeScript | — |
Why people look for a Buffer alternative
About postiz
Postiz is an open source social media scheduling tool built as a self hosted alternative to commercial platforms like Buffer and Hootsuite. It enables users to schedule, manage, and analyze posts across multiple social networks—including X (Twitter), Bluesky, Mastodon, and Discord—while supporting AI assisted content creation and team collaboration. The project lives in the Next.js and NestJS ecosystem, using a monorepo structure with TypeScript, Prisma (defaulting to PostgreSQL), and Temporal for background workflows.
read the full postiz overview →
Other open source alternatives to Buffer
last updated nightly · ranking method: github stars, live-tracked
Frequently asked questions
Is postiz a good replacement for Buffer?
postiz is an open source alternative to Buffer (Social media scheduling). It is written in TypeScript and licensed under AGPL-3.0, with 36,014 GitHub stars.
Is postiz free compared to Buffer?
Yes. postiz is open source — there is no licence fee, and you can self-host it. Buffer is typically a paid subscription, so the trade-off is licence cost against the operational work of running it yourself.
How do I migrate from Buffer to postiz?
Migration effort depends on the data formats involved. Check postiz's documentation for import options, and compare the feature table above to confirm the capabilities you depend on are covered before switching.