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Comparison · Collab
HedgeDoc vs SiYuan
A side-by-side editorial comparison of HedgeDoc and SiYuan — release velocity, themes, recent moves, and the top alternatives to consider.
Shared themes:self-hosted
HedgeDoc vs SiYuan: at a glance
What is HedgeDoc?
A collaborative markdown editor on a security-driven maintenance cadence.
HedgeDoc's 1.x line ships every one to two months and is dominated by security response. Recent releases carry seven advisories between them — HTML injection via an email localpart, YAML frontmatter denial of service, CSRF in the Gist export, a rate-limit bypass through CF-Connecting-IP, a permission-value validation gap, missing upload security headers, and script execution in uploaded SVGs. Around those sit configuration knobs for the external-link warning, webp uploads, and rate limits.
What is SiYuan?
SiYuan is actively developing AI agent capabilities that control the note-taking environment itself, from database field configuration to workspace settings.
SiYuan ships multiple pre-release builds per week across parallel alpha and beta tracks. The AI agent thread is increasingly prominent — each alpha release either extends what the agent can control (now database field configuration) or adjusts how it operates (timeout tuning). Mobile platform adaptation (iPadOS 26, keyboard transitions) and PDF export are the other active fronts.
HedgeDoc vs SiYuan: editorial side-by-side
HedgeDoc
2.5COLLAB
A collaborative markdown editor on a security-driven maintenance cadence.
◆ Current state
HedgeDoc's 1.x line ships every one to two months and is dominated by security response. Recent releases carry seven advisories between them — HTML injection via an email localpart, YAML frontmatter denial of service, CSRF in the Gist export, a rate-limit bypass through CF-Connecting-IP, a permission-value validation gap, missing upload security headers, and script execution in uploaded SVGs. Around those sit configuration knobs for the external-link warning, webp uploads, and rate limits.
◆ Where it's heading
Two threads run in parallel. The perimeter work reduces attack surface and maintenance burden at once: old API endpoints and unused config are deleted, Node 18 support is dropped now that its security window has closed, and features added in one release tend to gain an off switch in the next. The second thread is realtime correctness — concurrent-editing data loss, connections dropped mid-handshake, operations discarded during revision gap recovery — which is the only work aimed at the core editing experience rather than its edges.
◆ Prediction
Expect the 1.x line to continue as security and correctness maintenance, with more legacy endpoints and configuration removed rather than new editing features added.
SiYuan
5.0COLLAB
SiYuan is actively developing AI agent capabilities that control the note-taking environment itself, from database field configuration to workspace settings.
◆ Current state
SiYuan ships multiple pre-release builds per week across parallel alpha and beta tracks. The AI agent thread is increasingly prominent — each alpha release either extends what the agent can control (now database field configuration) or adjusts how it operates (timeout tuning). Mobile platform adaptation (iPadOS 26, keyboard transitions) and PDF export are the other active fronts.
◆ Where it's heading
The agent configuring database fields in alpha.4 suggests SiYuan is building toward a fully agent-controllable workspace: not just note creation and retrieval but schema management. Combined with earlier agent sidebar improvements and configurable timeouts supporting local LLMs, the direction is toward power users driving SiYuan through conversational commands rather than direct UI manipulation.
◆ Prediction
The v3.8.4 alpha series will stabilize into a beta within the next few releases. If the agent database config direction continues, expect a more formal API surface for the agent to be documented as the local-first AI model matures.
Alternatives to HedgeDoc 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 HedgeDoc or SiYuan.
GitHub
GitHub Copilot adds adaptive model orchestration and self-resolving code review in a single week.
Asana
Asana embeds AI into Slack threads and closes the rich-text gap with Notion
Hive
Hive is building shared AI automation infrastructure into the core of its PM platform.
Teable
Teable ships Scheduled Routines and Composio connections, gaining both a scheduler and an integration bus in one release
KACE
KACE stays in maintenance mode: Patch Tuesday catalogs and targeted bug fixes dominate
See all HedgeDoc alternatives → · See all SiYuan alternatives →
Recent activity from HedgeDoc and SiYuan
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoSiYuanv3.8.4-alpha.6
- 2d agoSiYuanv3.8.4-alpha.5
- 3d agoSiYuanv3.8.4-alpha.4
- 3d agoSiYuanv3.8.4-alpha.3 (superseded by alpha.4)
- 4d agoSiYuanv3.8.4-alpha.2
- 5d agoSiYuanv3.8.4-alpha.1
- 21d agoHedgeDocHedgeDoc 1.12.0
- 1mo agoHedgeDocHedgeDoc 1.11.1
- 2mo agoHedgeDocHedgeDoc 1.11.0
- 4mo agoHedgeDocHedgeDoc 1.10.8
- 6mo agoHedgeDocHedgeDoc 1.10.7
- 7mo agoHedgeDocHedgeDoc 1.10.6
Frequently asked questions
What is the difference between HedgeDoc and SiYuan?
Both compete on the same themes — self-hosted — within Collab. SiYuan 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 HedgeDoc better than SiYuan?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. SiYuan 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 HedgeDoc?
Top HedgeDoc alternatives in Collab are ranked by recent ship velocity. Browse the "HedgeDoc alternatives" section above for the current picks, or visit /alternatives/hedgedoc 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.