MailBeez
MailBeez V5 arrives with a redesigned workspace, dark mode and V5-ready modules.
Comparison · Mkt Auto
Postiz vs Sulu
A side-by-side editorial comparison of Postiz and Sulu — release velocity, themes, recent moves, and the top alternatives to consider.
Postiz vs Sulu: at a glance
What is Postiz?
Postiz encrypts channel tokens and lets agents send connect links for new channels.
Postiz's November 13 release encrypts channels' access and refresh tokens in the database when enabled, with a local key or AWS KMS, and needs no migration. A new connect link endpoint and MCP tool let an app or agent give someone a one-hour link that adds their social channel to a workspace. It also fixes two access-control holes (billing routes open to plain members, and post saves across organizations), adds Amazon SES for email, and fixes 40+ provider and billing issues.
What is Sulu?
Sulu opens its 3.1 line while 3.0 and 2.6 keep shipping in lockstep.
Sulu is a Symfony-based CMS released as matched 3.0.x and 2.6.x patches. The October 1 pair added a request log admin view and a guided forced two-factor setup, and the October 29 pair let editors copy content to several locales at once. The same day, 3.1.0-alpha1 opened the next line with route field actions, a media download button and product-family attributes.
Postiz vs Sulu: editorial side-by-side
Postiz
2.5MKT AUTO
Postiz encrypts channel tokens and lets agents send connect links for new channels.
◆ Current state
Postiz's November 13 release encrypts channels' access and refresh tokens in the database when enabled, with a local key or AWS KMS, and needs no migration. A new connect link endpoint and MCP tool let an app or agent give someone a one-hour link that adds their social channel to a workspace. It also fixes two access-control holes (billing routes open to plain members, and post saves across organizations), adds Amazon SES for email, and fixes 40+ provider and billing issues.
◆ Where it's heading
Postiz still ships large releases about every six weeks. The last three have moved it from a scheduler toward publishing infrastructure that other software and agents can drive, with MCP access, preview comments and now connect links. This release adds the security work, encrypted tokens and tenant isolation, that larger self-hosted and multi-organization deployments need.
◆ Prediction
The next release will likely extend connect links to platforms that need API keys or instance URLs, and keep tokens out of Temporal history, which this release describes as groundwork.
Sulu
5.0MKT AUTO
Sulu opens its 3.1 line while 3.0 and 2.6 keep shipping in lockstep.
◆ Current state
Sulu is a Symfony-based CMS released as matched 3.0.x and 2.6.x patches. The October 1 pair added a request log admin view and a guided forced two-factor setup, and the October 29 pair let editors copy content to several locales at once. The same day, 3.1.0-alpha1 opened the next line with route field actions, a media download button and product-family attributes.
◆ Where it's heading
Sulu is starting a feature line while keeping two maintenance lines in sync, with security and admin hardening flowing into both. Product attributes in 3.1 point toward commerce-adjacent content modelling.
◆ Prediction
Further 3.1 alphas and betas are likely before year end, with 3.0 and 2.6 patches continuing in pairs.
Alternatives to Postiz and Sulu
Other Mkt Auto products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Postiz or Sulu.
n8n
n8n fixes executions being redacted when they used global credentials, on three lines.
Gumloop
Gumloop 13.6 gives admins one set of rules for every tool an agent touches.
AcyMailing
AcyMailing 11.1.2 closes holes that let strangers read or unsubscribe any subscriber.
Buttondown
Buttondown lets writers reorder editor blocks without a mouse.
GetResponse
GetResponse now ships a playbook so AI agents can run its email marketing.
Recent activity from Postiz and Sulu
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 17h agoPostizEncrypted channel tokens, connect links, Amazon SES & 40+ fixes
- 15d agoSuluSulu 3.1.0-alpha1 opens the next line with product attributes
- 15d agoSuluSulu 3.0.11: copy content to several locales, route fixes
- 15d agoSuluSulu 2.6.28: PHP 8.6 CI and small fixes
- 1mo agoPostizPreview comments, self-hosted MCP connector, responsive app & 50+ provider fixes
- 1mo agoSuluSulu 3.0.10 adds request log view and guided 2FA setup
- 1mo agoSuluSulu 2.6.27 mirrors 3.0.10 fixes and 2FA guidance
- 2mo agoSuluMedia gains AI disclosure and origin fields; TOTP 2FA lands
- 3mo agoPostizStreamed media uploads, duplicate-post protection & MCP fixes
- 4mo agoPostizSecurity patch for vulnerability PSA-2026-NWZN9J
Frequently asked questions
What is the difference between Postiz and Sulu?
They serve adjacent needs but don't currently overlap on shipped themes. Sulu is currently shipping more aggressively (velocity 5.0 vs 2.5), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Postiz better than Sulu?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Sulu is currently shipping more aggressively (velocity 5.0 vs 2.5), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Mkt Auto products to evaluate alongside.
What are the best alternatives to Postiz?
Top Postiz alternatives in Mkt Auto are ranked by recent ship velocity. Browse the "Postiz alternatives" section above for the current picks, or visit /alternatives/postiz-app for the full list with editorial commentary on each.
What are the best alternatives to Sulu?
Top Sulu alternatives in Mkt Auto are ranked by recent ship velocity. Browse the "Sulu alternatives" section above for the current picks, or visit /alternatives/sulu for the full list with editorial commentary on each.