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Comparison · Collab

SOGo vs SiYuan

A side-by-side editorial comparison of SOGo and SiYuan — release velocity, themes, recent moves, and the top alternatives to consider.

Shared themes:self-hosted

SOGo vs SiYuan: at a glance

FeatureSOGoSiYuan
SectorCollabCollab
Velocity score2.56.3
Sparks · 30d01
Top themesgroupware, self-hosted, security, webmaillocal-first, knowledge-management, ai-agent, self-hosted
Last editorial update1mo ago7h ago
WebsiteVisit →Visit →

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.

Read the full SOGo trajectory →

What is SiYuan?

SiYuan v3.8.4 beta cycle adds agent-controlled database fields, MiniMax image gen, and skill file management

SiYuan is deep in the v3.8.4 pre-release cycle, now at beta.4, shipping a dense stream of enhancements across each daily build. The defining theme of this release cycle is agent-control expansion: the AI can now configure database fields, manage skill files, stream Markdown previews, and use custom AI provider headers — moving SiYuan from a tool where AI assists with writing to one where AI can reshape the workspace structure itself. Mobile UX and PDF annotation improvements are running in parallel.

Read the full SiYuan trajectory →

SOGo vs SiYuan: editorial side-by-side

S
SOGo
COLLAB
2.5

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.

S
SiYuan
COLLAB
6.3

SiYuan v3.8.4 beta cycle adds agent-controlled database fields, MiniMax image gen, and skill file management

◆ Current state

SiYuan is deep in the v3.8.4 pre-release cycle, now at beta.4, shipping a dense stream of enhancements across each daily build. The defining theme of this release cycle is agent-control expansion: the AI can now configure database fields, manage skill files, stream Markdown previews, and use custom AI provider headers — moving SiYuan from a tool where AI assists with writing to one where AI can reshape the workspace structure itself. Mobile UX and PDF annotation improvements are running in parallel.

◆ Where it's heading

SiYuan is building toward an agent-orchestrated personal knowledge base, where the AI layer can modify not just content but the organizational schema. The skill file management system suggests an emerging plugin-like architecture for agent behaviors. As multimodal generation (MiniMax image support) gets wired in, SiYuan's trajectory is toward a locally-run AI workspace that rivals cloud-based tools without the data-residency trade-off.

◆ Prediction

v3.8.4 stable will ship soon given the move to beta.4. The agentic features (database field configuration, skill management) will attract integrations from local-first AI workflow builders. Expect MiniMax and other provider integrations to expand in the next cycle.

Alternatives to SOGo and SiYuan

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 SOGo or SiYuan.

See all SOGo alternatives → · See all SiYuan alternatives →

Recent activity from SOGo and SiYuan

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 10h agoSiYuanSiYuan v3.8.4-beta.4: agent workspace control and MiniMax image generation
  2. 1d agoSiYuanSiYuan v3.8.4-beta.3: streaming agent preview and MCP SQL fix
  3. 1d agoSiYuanSiYuan v3.8.4-beta.2: Docker fonts, custom block search
  4. 2d agoSiYuanSiYuan v3.8.4-beta.1: pinnable documents, rich text tables, remote GUI
  5. 2d agoSiYuanSiYuan v3.8.4-alpha.9: Serbian language, fullscreen agent dock
  6. 3d agoSiYuanSiYuan v3.8.4-alpha.8: document pinning, sync improvements
  7. 1mo agoSOGoFour more vulnerabilities patched; all prior versions affected
  8. 3mo agoSOGoPatch undoes 5.12.8 regressions in preferences and mail display
  9. 4mo agoSOGoTwo CVEs fixed for PostgreSQL user sources
  10. 4mo agoSOGoFour vulnerabilities: XSS, SQL injection, OpenID impersonation
  11. 5mo agoSOGoTOTP silently disabled for new users, now fixed
  12. 6mo agoSOGoInjection fixes in hint queries, theme queries and categories

Frequently asked questions

What is the difference between SOGo and SiYuan?

Both compete on the same themes — self-hosted — within Collab. SiYuan is currently shipping more aggressively (velocity 6.3 vs 2.5), with 1 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 SOGo better than SiYuan?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. SiYuan is currently shipping more aggressively (velocity 6.3 vs 2.5), with 1 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 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.

What are the best alternatives to SiYuan?

Top SiYuan alternatives in Collab are ranked by recent ship velocity. Browse the "SiYuan alternatives" section above for the current picks, or visit /alternatives/siyuan for the full list with editorial commentary on each.