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Postbase icon

Postbase

Open-source social media scheduler for X, LinkedIn, Bluesky, Mastodon, TikTok, and YouTube. Tailor posts by network, manage threads, video, drafts, repeats, media, analytics, and teams, or schedule through its MCP server, REST API, or AI agent.

Calendar: the week calendar with posts across X, LinkedIn, Bluesky, Mastodon and YouTube.

Cost / License

  • Freemium (Subscription)
  • Open Source (AGPL-3.0)

Platforms

  • Online
  • Self-Hosted  Requires Node.js and a Supabase project (Postgres, Auth, Storage), plus your own developer API keys for each social network you connect. Scheduled publishing needs a cron job or the included poller. Free under AGPL-3.0.
  • Software as a Service (SaaS)
Composer: one post with a version per channel and a live preview.
Postbase Agent: the built-in agent drafting a post for you to review and schedule.
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Channels: the connected networks, with Instagram shown as awaiting approval.
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Features

Properties

  1.  Privacy focused
  2.  AI-Powered

Integrations

  1. Bluesky icon  Bluesky
  2. YouTube icon  Youtube
  3. TikTok icon  Tiktok
  4. X icon  X
  5.  Social media
  6. LinkedIn icon  LinkedIn
  7. Mastodon icon  Mastodon

Features

  1.  Calendar View
  2.  Ad-free
  3.  Dark Mode
  4.  Two-factor Authentication
  5.  Recurring Tasks
  6.  Multiple Account support
  7.  Social Media Scheduling
  8.  Social Media Automation
  9.  Model Context Protocol (MCP) Support
  10.  Schedule Tweets
  11.  Social Media Analytics
  12.  REST API
  13.  Team Collaboration
  14.  Schedule LinkedIn posts

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AlternativeTo Categories

Office & Productivity, Social & Communications, AI Tools & Services, Development, Security & Privacy, Remote Work & Education

GitHub repository

  •  11 Stars
  •  2 Forks
  •  0 Open Issues
  •   Updated  
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What is Postbase?

Postbase is an open-source social media scheduler for creators, founders, agencies and developers. Write a post once, tailor a version for each network, and schedule it to X, LinkedIn, Bluesky, Mastodon, TikTok and YouTube from one calendar.

It supports threads on X, Bluesky and Mastodon, LinkedIn first comments, video for TikTok and YouTube (including Shorts), drafts, repeating posts, a media library and per-post analytics. Teams get shared workspaces, so an agency can run a separate workspace for each client on one bill.

Postbase is also built for AI. A hosted MCP server lets Claude, ChatGPT, Cursor, Claude Code, VS Code, Windsurf and Gemini CLI draft and schedule posts to X, LinkedIn, Bluesky and Mastodon, with OAuth sign-in and no API key. There's a REST API for your own code, and a built-in AI agent that drafts posts and schedules them once you confirm.

The hosted version starts at $29/month with a 7-day free trial, and every plan includes every network, the MCP server and the API. Postbase is open source under AGPL-3.0, so you can also self-host it for free with your own platform API keys.

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