Open Source Social Media Schedulers (2026): 9 to Self-Host

Installing a self-hosted social media scheduler is the easy bit. The part nobody mentions on the download page comes next: every network you want to post to has to approve you, as a developer, before your own copy of the tool can publish a single post.

That step shapes the whole choice, so it comes first below. Then the licences, which split this group in two, and then nine schedulers grouped by how established they are, in no particular order. Most of these are recent projects, so the table shows each one's latest release rather than any claim about track record.

You'll need your own app approved by each network

When you use a hosted scheduler, the company behind it has already registered an app with each social network and passed its review. When you host your own, that job is yours. In practice it looks like this:

• Create a developer account with each network you want to post to.
• Register an app for your own install, with your domain and callback address.
• Request the posting permissions you need and submit the app for the network's review.
• Wait for approval, then connect the accounts inside your scheduler.
• Repeat for every network, and keep the app details current when the network changes its rules.

The projects themselves say so. OpenQuok's README notes that some integrations need provider app approval on self-hosted installs, and that posting formats and analytics vary by network. Self-hosting gives you control of the tool. It doesn't give you a shortcut past the networks.

Two licences, and what AGPL means in plain English

Mixpost Lite is MIT-licensed, but its README is clear that this repository is the Lite edition of a commercial Pro product, so some features sit in the Pro tiers. The other eight use the AGPL. In plain English, AGPL means that if you change the code and let other people use your changed version over the web, you have to offer them your source code too. For a business running its own unmodified copy that rarely matters. For an agency planning to modify one and sell it as a hosted service, it matters a lot.

Established, newer, and the odd one out

The established pair

Postiz pairs its open source edition with a managed cloud from the same team, and has shipped regular tagged releases. It sits next to the Lite edition covered above, which has been updated less often than the rest.

Newer AGPL platforms built for teams and AI

BrightBean Studio, OpenPost, TryPost, Postbase, PostSider and Postmill all arrived more recently, and several lean on AI help, MCP servers or APIs for automation. Two had no tagged release at all as of Nov 2026, so treat them as early.

A content workspace that doubles as a launch tool

The workspace with the browser extension for directory forms, mentioned in the approval section, sits apart from the rest because launches are part of its job.

Licence, hosting and latest release

Tool	Licence and hosting	Latest release
BrightBean Studio	AGPL-3.0, self-host (SQLite option)	No tagged release yet; last commit Oct 2026
Mixpost Lite	MIT, Lite edition of Mixpost Pro	Release 2.6.0, Mar 2026
OpenPost	AGPL-3.0, self-host or hosted service	Release v7.37.2, Nov 2026
OpenQuok	AGPL-3.0, self-host	Release sdk-v0.0.14, Oct 2026
Postbase	AGPL-3.0-or-later, self-host or cloud	No tagged release yet; last commit Nov 2026
Postiz	AGPL v3, self-host or managed cloud	Release v2.25.3, Oct 2026
Postmill	AGPL v3, self-host via Docker image	Release v1.4.0, Oct 2026
PostSider	AGPL v3, self-host via Docker	Release v1.2.0, Sep 2026
TryPost	AGPL-3.0, self-host or cloud	Release v2.0.1, Nov 2026

The nine schedulers, in no particular order

BrightBean Studio

Best for: Creators, agencies and small businesses scheduling and publishing posts on their own server, with a no-Docker SQLite route the README mentions.

Mixpost Lite

Best for: Scheduling, publishing and managing social posts on your own server, knowing this repo is the Lite edition and some features live in the commercial Pro product.

OpenPost

Best for: Creating, adapting, scheduling and tracking posts with AI help on ideas and drafts that you review before anything goes out.

OpenQuok

Best for: Drafting, reviewing and scheduling posts in one workspace, plus a browser extension that autofills directory submission forms for launches.

Postbase

Best for: Teams wanting AI assistants to drive their scheduling through an MCP server, posting to several networks from one place.

Postiz

Best for: Running a social media scheduler on your own infrastructure, with a managed cloud from the same team if self-hosting stops being fun.

Postmill

Best for: Agencies and multi-brand teams who want a visual publishing calendar and bring-your-own-key AI, with a Docker image published for production.

PostSider

Best for: Developers automating posts through a REST API, a Node.js SDK and an MCP server, self-hosted with Docker.

TryPost

Best for: Small teams creating and scheduling posts who want the self-hosted version to match the cloud version feature for feature, as its README promises.

Plain advice for small teams thinking of self-hosting

If you post for one business to two or three networks, a hosted scheduler will save you the developer-app work, and our guide to free social media management tools is the better starting point. Self-hosting starts to pay off when you manage many brands, want your content and analytics on your own server, or need to automate posting through an API.

If you go ahead, pick a project with a recent tagged release, register your developer apps before you migrate anyone's accounts, and keep your current tool running until every network has approved you. Solo owners weighing the same choice may find our guide to post scheduling tools for solo business owners useful too.

Signs a young project is still alive

• Recent releases, not only recent commits. A tagged release suggests someone is shipping versions you can install and roll back to.
• Open issues get answers. Look at how the maintainers respond to bug reports about posting failures.
• Network changes get fixed. Social networks change their rules often; check whether the project patched the last change quickly.
• More than one maintainer. A project that rests on one person can stop overnight.
• A clear upgrade path. Look for release notes and migration steps before you trust it with client accounts.

Do you make an open source or self-hosted social media scheduler? Tool makers can ask to be considered for a featured place on this list.

Want your tool on this list? Featured spots and reviews here are paid partnerships. Here's how to partner with me.

Frequently asked questions

Is a self-hosted social media scheduler free?

The code is free to download as of Nov 2026, but you'll run the server, apply updates and register your own developer app with each network. That's time, even when there's no subscription.

Why do I need a developer app for each social network?

Networks only let approved apps publish on someone's behalf. A hosted tool has done that already; on your own install you register the app and pass each network's review yourself.

What's the difference between AGPL and MIT for a scheduler?

MIT lets you change and run the code with very few conditions. AGPL asks you to share your changed source with anyone who uses your modified version over the web.

Can I schedule Instagram posts with an open source tool?

Often, if the project supports it and your developer app is approved for the posting permissions you need. Check the project's list of supported networks first.

Are open source schedulers safe for client accounts?

They can be, if you keep the server updated and choose an active project. Test with your own accounts before connecting a client's.

Do open source schedulers include analytics?

Some do, but what you can see depends on each network's rules and the permissions your app is granted, so analytics vary by platform.