Missinglettr alternatives: 2 open-source picks
These 2 Missinglettr alternatives replace it for $0, led by Postiz and Mixpost. All 2 are open source. License, stars and last commit checked by hand on 2026-08-29. No trials, no crippled tiers.
Open-source social media management and scheduling platform with agentic posting workflows.
licenseAGPL-3.0
runsyour server
setupnot verified by us yet — check the repo README
facts verified 2026-08-29
Self-hosted social media scheduling and publishing (Laravel). Queue posts to multiple networks without per-seat pricing.
licenseMIT
runsyour server
setupnot verified by us yet — check the repo README
facts verified 2026-08-29
What each one is, in full: Postiz · Mixpost
last updated 2026-08-29 · no votes, no pay-to-list · just what's real
the usual suspects · recommended everywhere, rejected here
Mixpost LiteEvergreen queues are present; turning one article into a finished campaign is still manual.
PostizRSS auto-posting and repeats exist, but not the blog-to-campaign generator or curated-content loop.
how to choose a Missinglettr alternative
Easiest to get running
Mixpost — a one-click install, no server to maintain.
Most proven
Postiz, with 35,758 GitHub stars — the largest community of the 2, which usually means more answers when something breaks.
what you give up by leaving Missinglettr
- analytics history and attribution
- team approvals and asset workflows
- protection from API and policy changes
- direct publishing reliability as platform APIs change
- reliable direct publishing across networks
None of the picks above covers all of it. The full verdict says which gaps matter.
Missinglettr alternatives at a glance
| tool | license | running it | platforms | stars | active |
|---|---|---|---|---|---|
| Postiz | AGPL-3.0 | docker to self-host | self-hosted, web | 35,758 | 2026-09 |
| Mixpost | MIT | one-click install | self-hosted, web | 3,697 | 2026-03 |
why people still pay for Missinglettr
Missinglettr: Social tools survive because networks change APIs, permissions, formats, and anti-spam rules constantly.
questions about switching from Missinglettr
Is there an open-source alternative to Missinglettr?
Yes: Postiz, Mixpost. Every tool on this page is open source: no trials, no crippled tiers.
Can open source really replace Missinglettr?
Our verdict is YES. Postiz (36k stars), Mixpost (4k stars) are mature open-source replacements for Missinglettr — self-host with docker and stop paying. The full verdict, and what you give up by switching, is at caniopensourceit.online/missinglettr.
What is the easiest open-source Missinglettr alternative to set up?
Mixpost — a one-click install, no server to maintain.
What is the most popular open-source Missinglettr alternative?
By GitHub stars, Postiz (35,758). Mixpost is next with 3,697.
