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Comparison · Collab
Prowlarr vs SiYuan
A side-by-side editorial comparison of Prowlarr and SiYuan — release velocity, themes, recent moves, and the top alternatives to consider.
Prowlarr vs SiYuan: at a glance
What is Prowlarr?
Prowlarr 2.6 ships active bi-weekly patches as the indexer management layer for the *arr ecosystem.
Prowlarr is on its 2.6 release series, shipping patch releases approximately every one to two weeks. The releases contain targeted fixes for indexer compatibility, authentication handling, and protocol-level bugs (HTTP Basic Auth, Happy Eyeballs logging). As the indexer proxy for Sonarr, Radarr, Lidarr and related tools, Prowlarr's changes are largely operational fixes that improve the reliability of its centralized indexer management.
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.
Prowlarr vs SiYuan: editorial side-by-side
Prowlarr
5.0COLLAB
Prowlarr 2.6 ships active bi-weekly patches as the indexer management layer for the *arr ecosystem.
◆ Current state
Prowlarr is on its 2.6 release series, shipping patch releases approximately every one to two weeks. The releases contain targeted fixes for indexer compatibility, authentication handling, and protocol-level bugs (HTTP Basic Auth, Happy Eyeballs logging). As the indexer proxy for Sonarr, Radarr, Lidarr and related tools, Prowlarr's changes are largely operational fixes that improve the reliability of its centralized indexer management.
◆ Where it's heading
The release cadence is consistent and the scope is narrow — Prowlarr ships when bugs are fixed, not on a feature roadmap schedule. The 2.6.0 version bump is recent (July 26), suggesting a feature addition drove the minor version increment, but the subsequent patches return to pure maintenance. No major capability expansion is signaled in the recent changelog window.
◆ Prediction
Prowlarr will continue its reactive patch cadence as indexer compatibility issues surface. A 2.7.x release with new indexer support or protocol improvements is the most likely next feature milestone, following the same pattern as 2.5→2.6.
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 Prowlarr 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 Prowlarr 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 Prowlarr alternatives → · See all SiYuan alternatives →
Recent activity from Prowlarr 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)
- 1d 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)
- 2d agoSiYuanSiYuan 3.8.9 beta 2 (same notes as beta 1)
- 1mo agoProwlarrProwlarr 2.6.4 patch
- 1mo agoProwlarrProwlarr 2.6.3 patch
- 2mo agoProwlarrProwlarr 2.6.2 patch
- 2mo agoProwlarrProwlarr 2.6.1 patch
- 3mo agoProwlarrProwlarr 2.6.0: HTTP Basic Auth fix
- 3mo agoProwlarrProwlarr 2.5.2 patch
Frequently asked questions
What is the difference between Prowlarr and SiYuan?
They serve adjacent needs but don't currently overlap on shipped themes. Prowlarr 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 Prowlarr better than SiYuan?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Prowlarr 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 Prowlarr?
Top Prowlarr alternatives in Collab are ranked by recent ship velocity. Browse the "Prowlarr alternatives" section above for the current picks, or visit /alternatives/prowlarr 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.