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Comparison · Collab
Koofr vs SiYuan
A side-by-side editorial comparison of Koofr and SiYuan — release velocity, themes, recent moves, and the top alternatives to consider.
Koofr vs SiYuan: at a glance
What is Koofr?
Koofr brings web-app link controls to Android days after a 24-hour DDoS.
Koofr is a privacy-focused cloud storage service. Its newest release gives the Android app the web app's advanced link settings: passwords, messages, QR codes, visit and upload counts, and receive links that route files to a folder via a unique email address. It lands three days after an incident report on a nearly 24-hour, extortion-driven DDoS, the third availability disruption since April.
What is SiYuan?
SiYuan 3.8.9 reaches RC, adding AI-agent extraction of images embedded in PDFs.
SiYuan moved 3.8.9 from beta.6 to rc.1 on Oct 28. The RC's only new item is AI-agent extraction of images embedded in PDFs; the rest of its long list matches beta.5's cumulative notes: pinned agent sessions, backlink filtering by database fields, block-reference collection through database automation, resizable table rows, mind-map themes and node copy/paste, TIFF previews and macOS proxy detection.
Koofr vs SiYuan: editorial side-by-side
Koofr
5.0COLLAB
Koofr brings web-app link controls to Android days after a 24-hour DDoS.
◆ Current state
Koofr is a privacy-focused cloud storage service. Its newest release gives the Android app the web app's advanced link settings: passwords, messages, QR codes, visit and upload counts, and receive links that route files to a folder via a unique email address. It lands three days after an incident report on a nearly 24-hour, extortion-driven DDoS, the third availability disruption since April.
◆ Where it's heading
Product work is closing parity gaps across clients: a rebuilt iOS app in June, document scanning in July, browser-extension upgrades in September and now Android sharing. Running alongside it is a recurring availability problem (April DDoS, September data-center connectivity, October DDoS) that the entries show being handled reactively.
◆ Prediction
Expect the same link controls or other web-app features to keep moving into the mobile apps; whether Koofr ships visible resilience measures after the October attack is not clear from the entries.
SiYuan
5.0COLLAB
SiYuan 3.8.9 reaches RC, adding AI-agent extraction of images embedded in PDFs.
◆ Current state
SiYuan moved 3.8.9 from beta.6 to rc.1 on Oct 28. The RC's only new item is AI-agent extraction of images embedded in PDFs; the rest of its long list matches beta.5's cumulative notes: pinned agent sessions, backlink filtering by database fields, block-reference collection through database automation, resizable table rows, mind-map themes and node copy/paste, TIFF previews and macOS proxy detection.
◆ Where it's heading
The 3.8.x line keeps turning databases and mind maps into structured tools that act on the block graph, and the built-in agent is gaining reach into document content such as PDFs. The release cadence is fast and noisy, with most builds repeating the same cumulative notes.
◆ Prediction
A stable 3.8.9 is likely within days, with little added beyond fixes now that it has reached RC.
Alternatives to Koofr 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 Koofr or SiYuan.
KACE
KACE extends its PHP2SHELL fix to the SDA deployment appliance, six days after disclosure.
Mattermost
Mattermost v12 puts user-scoped permissions, private models and audit trails on every agent action.
AFFiNE
AFFiNE's canaries stay on upkeep: a Swift Collections bump follows CVE and migration fixes.
Teable
Teable's Structured Query v2 now reports across multi-hop relations, with a strict mode against SQL.
Readwise
Readwise splits its bundle into Reader-only and Highlights-only plans and renames its first app.
See all Koofr alternatives → · See all SiYuan alternatives →
Recent activity from Koofr and SiYuan
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoSiYuanSiYuan 3.8.9 RC1: AI agent extracts images from PDFs
- 1d agoSiYuanSiYuan 3.8.9 beta 6 (same notes as beta 5)
- 2d agoSiYuanSiYuan 3.8.9 beta 5: full notes incl. pinned agent sessions
- 2d agoSiYuanSiYuan 3.8.9 beta 4 improves LaTeX paste and import
- 2d agoSiYuanSiYuan 3.8.9 beta 3 (same notes as beta 1)
- 3d agoSiYuanSiYuan 3.8.9 beta 2 (same notes as beta 1)
- 22d agoKoofrImproved sharing options on Android app
- 24d agoKoofrIncident report & service update: Recent DDoS attack mitigated
- 1mo agoKoofrSave to Koofr extension has new features!
- 1mo agoKoofrData-center connectivity issue resolved
- 3mo agoKoofrNew iOS Feature: Document Scanning
- 4mo agoKoofrCelebrating new iOS app with 40% discount!
Frequently asked questions
What is the difference between Koofr and SiYuan?
They serve adjacent needs but don't currently overlap on shipped themes. Koofr and SiYuan are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Koofr better than SiYuan?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Koofr and SiYuan are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Collab products to evaluate alongside.
What are the best alternatives to Koofr?
Top Koofr alternatives in Collab are ranked by recent ship velocity. Browse the "Koofr alternatives" section above for the current picks, or visit /alternatives/koofr 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.