Teable
Secrets get encrypted at rest while the computed-field engine keeps getting shored up
Comparison · Collab
Mattermost vs SOGo
A side-by-side editorial comparison of Mattermost and SOGo — release velocity, themes, recent moves, and the top alternatives to consider.
Mattermost vs SOGo: at a glance
What is Mattermost?
Every v11 release pushes ABAC further out; the blog sells the air-gap story around it.
Mattermost ships a v11.x release roughly monthly, and each one extends attribute-based access control another layer: v11.9 reached channel-level policies and ranked attributes, v11.10 adds team-level ABAC membership and native user attributes. Between releases the feed is marketing content aimed at defense, federal, and other air-gapped buyers. The product work and the publishing calendar are pulling in the same direction.
What is SOGo?
SOGo's release notes have become a vulnerability disclosure channel with a version number attached.
SOGo is a self-hosted groupware suite — webmail, calendaring and contacts — maintained by Alinto. Four of the last six releases exist primarily to fix security vulnerabilities: XSS through malicious mail, SQL injection, OpenID impersonation, script execution via theme and hint query parameters. The newest, 5.12.10, fixes four more and states that all previous versions are affected, with CVE identifiers still pending at publication.
Mattermost vs SOGo: editorial side-by-side
Mattermost
5.0COLLAB
Every v11 release pushes ABAC further out; the blog sells the air-gap story around it.
◆ Current state
Mattermost ships a v11.x release roughly monthly, and each one extends attribute-based access control another layer: v11.9 reached channel-level policies and ranked attributes, v11.10 adds team-level ABAC membership and native user attributes. Between releases the feed is marketing content aimed at defense, federal, and other air-gapped buyers. The product work and the publishing calendar are pulling in the same direction.
◆ Where it's heading
ABAC is being built out as the organizing primitive — first channels, now teams, with user attributes moving from an integration concern into the platform itself. The surrounding posts on agentic AI in disconnected environments read as demand-shaping for the AI features shipping in the same releases. Expect the two lines to converge on running agents inside a network that cannot call out.
◆ Prediction
The next v11 release should extend ABAC to a further scope or add policy administration tooling, and the agent features will keep being framed around operating without external model APIs.
SOGo
2.5COLLAB
SOGo's release notes have become a vulnerability disclosure channel with a version number attached.
◆ Current state
SOGo is a self-hosted groupware suite — webmail, calendaring and contacts — maintained by Alinto. Four of the last six releases exist primarily to fix security vulnerabilities: XSS through malicious mail, SQL injection, OpenID impersonation, script execution via theme and hint query parameters. The newest, 5.12.10, fixes four more and states that all previous versions are affected, with CVE identifiers still pending at publication.
◆ Where it's heading
The pattern is a codebase whose input-handling surface is being systematically probed, largely by the community reporting to the project's bug address, and patched in batches. Release numbering has stopped being reliable as a timeline — 5.12.7 shipped after 5.12.8 — so version order tells you nothing about what a deployment contains. The two non-security releases in this window were both regression repairs from the security releases that preceded them, which is the cost of shipping fixes at this cadence.
◆ Prediction
Given four security batches in five months and CVE identifiers still being assigned retroactively, another batch on the same cadence is the most likely next release, with a regression patch following it.
Alternatives to Mattermost and SOGo
Other Collab 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 Mattermost or SOGo.
GitHub
Security and governance controls catch up to the Copilot build-out
Elgg
A social-networking engine in careful maintenance across two supported branches.
NetNewsWire
7.1.3 ships on the Mac, closing a release spent almost entirely on rebuilding Feedly sync.
HumHub
HumHub's public feed carries only betas, and 1.19's is still about surviving the upgrade.
Hive
Hive keeps tightening the same three seams: planned time, admin control, and AI review scope
See all Mattermost alternatives → · See all SOGo alternatives →
Recent activity from Mattermost and SOGo
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoMattermostCan Agentic AI Work in Air-Gapped Environments?
- 5d agoMattermostMattermost v11.10: Team ABAC Membership, Native User Attributes in ABAC, AI Agent Enhancements & More
- 6d agoSOGoFour more vulnerabilities patched; all prior versions affected
- 9d agoMattermostWhat Is an Air-Gapped Network?
- 12d agoMattermostYour Teams Are Already Translating Sensitive Data. The Question Is Where It Goes.
- 16d agoMattermostThe Collaboration Gap in Zero Trust: Why Sovereignty Can’t Stop at the Perimeter
- 21d agoMattermostAgentic AI for Mission-Critical Operations: What Enterprise Leaders Need to Know
- 2mo agoSOGoPatch undoes 5.12.8 regressions in preferences and mail display
- 3mo agoSOGoTwo CVEs fixed for PostgreSQL user sources
- 3mo agoSOGoFour vulnerabilities: XSS, SQL injection, OpenID impersonation
- 4mo agoSOGoTOTP silently disabled for new users, now fixed
- 5mo agoSOGoInjection fixes in hint queries, theme queries and categories
Frequently asked questions
What is the difference between Mattermost and SOGo?
They serve adjacent needs but don't currently overlap on shipped themes. Mattermost 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 Mattermost better than SOGo?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Mattermost 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 Collab products to evaluate alongside.
What are the best alternatives to Mattermost?
Top Mattermost alternatives in Collab are ranked by recent ship velocity. Browse the "Mattermost alternatives" section above for the current picks, or visit /alternatives/mattermost for the full list with editorial commentary on each.
What are the best alternatives to SOGo?
Top SOGo alternatives in Collab are ranked by recent ship velocity. Browse the "SOGo alternatives" section above for the current picks, or visit /alternatives/sogo for the full list with editorial commentary on each.