Postiz

Open-source (AGPL) social scheduler covering 20-30+ networks with a calendar composer

What Postiz does

  • Open-source (AGPL) social scheduler covering 20-30+ networks with a calendar composer
  • Built-in AI assistant for captions, images and video, plus public API, CLI and MCP server
  • Free to self-host; hosted plans are paid

Postiz — straight answers

What is Postiz?

Postiz is listed under AI Social Media & Creator Tools, in the Productivity & Workflow category on Flocci AI Tools. Open-source (AGPL) social scheduler covering 20-30+ networks with a calendar composer. It is freemium — a usable free tier with paid plans above it, and it lives at github.com.

Is Postiz free?

Postiz is freemium: there is a free tier you can work in and paid plans above it. It is one of 404 freemium tools in the catalog, all labelled the same way so you are never surprised by a paywall.

What can Postiz do?

Postiz does 3 things the catalog singles out: Open-source (agpl) social scheduler covering 20-30+ networks with a calendar composer; built-in ai assistant for captions, images and video, plus public api, cli and mcp server; free to self-host; hosted plans are paid.

What is the best free alternative to Postiz?

Buffer is the closest free alternative: it sits in the same AI Social Media & Creator Tools sub-category and is free tier + paid plans. Metricool, Publer and Typefully also start free. The full list is on the alternatives page.

See the full list →

Postiz alternatives

Compare all alternatives →

Buffer

AI Social Media & Creator Tools
freemium
  • 195,000+ monthly active users as of early 2026 per vendor
  • Unlimited AI (caption rewriting, hashtags, repurposing) included in every plan, including free
  • Cross-platform scheduling across 12 networks including Bluesky and Mastodon

Predis.ai

AI Social Media & Creator Tools
freemiumLeaving soon
  • Generates the actual media assets (images/video/ads), not just captions or scheduling
  • Competitor-insight and brand-aligned design features bundled with generation
  • 5/5 rating across 3,000+ user reviews per vendor-cited aggregation

Metricool

AI Social Media & Creator Tools
freemium
  • 4M+ professionals using the platform per vendor — one of the largest social scheduling/analytics tools
  • Unified dashboard across organic social + Meta/Google/TikTok ad campaigns, not scheduling-only
  • Publishes an annual large-scale social media study (39.7M posts analyzed in 2026)

Repurpose.io

AI Social Media & Creator Tools
freemiumLeaving soon
  • Automates turning one long-form video/podcast into 15+ platform-native pieces of content
  • Direct integrations across YouTube, TikTok, Instagram, Facebook, LinkedIn and podcast hosts
  • Long-established player (since 2018) still actively developed in 2026

Publer

AI Social Media & Creator Tools
freemiumNew
  • Schedules posts to major networks from one dashboard with an AI Assist for captions and ideas
  • RSS automations and a shared media library
  • Free plan covers 3 social accounts with a limited number of scheduled posts

Typefully

AI Social Media & Creator Tools
freemiumNew
  • Writing and scheduling editor for X, LinkedIn, Threads and Bluesky
  • Free plan with the editor and basic scheduling
  • Free AI writer, tweet and LinkedIn post generators with no login
  • AI assistant is on paid tiers

Head-to-head comparisons