Teable
Teable ships Scheduled Routines and Composio integrations, pushing spreadsheets into agentic territory.
Comparison · Collab
Radarr vs SiYuan
A side-by-side editorial comparison of Radarr and SiYuan — release velocity, themes, recent moves, and the top alternatives to consider.
Radarr vs SiYuan: at a glance
What is Radarr?
Radarr's maintenance run finally carries a few things users will see
6.4.3.10645 is a fuller release than the recent run: Trusted Networks and hostname validation arrive from the shared *arr base, external IDs are included for movies with links and shown only for the main link group, movies can be searched by original title from the page header, and days of the week use translations. The fix list covers Freebox single-file imports, re-importing an already-imported torrent, invalid languages stored in the database or hit during manual import, and connecting to Jellyfin 12 and later.
What is SiYuan?
SiYuan adds native Anthropic API access and editable mind maps in v3.8.5
SiYuan is a privacy-first, local-first personal knowledge management tool running on an aggressive alpha-beta release cadence. The 3.8.x cycle has expanded across three axes simultaneously: AI agent capabilities (now with native Anthropic Messages API support and TypeSafe decision models), knowledge visualization (editable mind maps, database list view), and mobile polish. The product ships multiple versions per week, which places it closer to a dev-tool project than a traditional SaaS product.
Radarr vs SiYuan: editorial side-by-side
Radarr
5.0COLLAB
Radarr's maintenance run finally carries a few things users will see
◆ Current state
6.4.3.10645 is a fuller release than the recent run: Trusted Networks and hostname validation arrive from the shared *arr base, external IDs are included for movies with links and shown only for the main link group, movies can be searched by original title from the page header, and days of the week use translations. The fix list covers Freebox single-file imports, re-importing an already-imported torrent, invalid languages stored in the database or hit during manual import, and connecting to Jellyfin 12 and later.
◆ Where it's heading
Reliability with third-party services remains the axis the work actually moves on — Freebox, Jellyfin, torrent re-import and language handling are all cases of another system behaving in a way Radarr had not accounted for. The framework-level additions in this release are inherited rather than chosen: Trusted Networks, hostname validation and health-check reasons appear identically in Prowlarr on the same day. The genuinely Radarr-specific additions are small search and metadata conveniences, which is the first time in two months the visible surface has moved at all.
◆ Prediction
Expect the external ID and original-title work to continue as metadata breadth rather than becoming a feature cycle, since that is the only axis on which this application has grown recently. The notes give no sign of a larger change.
SiYuan
6.3COLLAB
SiYuan adds native Anthropic API access and editable mind maps in v3.8.5
◆ Current state
SiYuan is a privacy-first, local-first personal knowledge management tool running on an aggressive alpha-beta release cadence. The 3.8.x cycle has expanded across three axes simultaneously: AI agent capabilities (now with native Anthropic Messages API support and TypeSafe decision models), knowledge visualization (editable mind maps, database list view), and mobile polish. The product ships multiple versions per week, which places it closer to a dev-tool project than a traditional SaaS product.
◆ Where it's heading
The AI agent integration is moving from an OpenAI-shim approach to native API support, with the Anthropic Messages API landing as a first-class feature in 3.8.5. The ability to configure database fields through the agent and manage agent skill files in settings points toward a workspace where AI and knowledge management share the same data layer. SiYuan is quietly building an embedded AI workspace, not just bolting AI onto a note-taking app.
◆ Prediction
The 3.8.5 stable release will likely ship within days given the current beta pace, consolidating the Anthropic API, mind map view, and database list view for production users. The agent-configurable database fields feature hints at further automation capabilities coming in 3.9.x.
Alternatives to Radarr 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 Radarr or SiYuan.
Wiki.js
Wiki.js 3.0 beta ships blog pages, AsciiDoc editor, and built-in comments in one drop
AFFiNE
AFFiNE ships iOS sharing and patches a silent self-hosting misconfiguration
GitHub
Copilot doubles down on agentic workflows as GitHub phases out older AI models
Skedda
Skedda opens a developer API — a clear signal it's repositioning as a workplace data platform
Hive
Hive is in a high-cadence improvement cycle — three releases on September 18 alone, all UX refinements.
See all Radarr alternatives → · See all SiYuan alternatives →
Recent activity from Radarr and SiYuan
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 3h agoSiYuanSiYuan v3.8.5 beta: Anthropic Messages API, editable mind maps, database list view ⚡
- 8h agoSiYuanv3.8.5-alpha.5
- 1d agoSiYuanv3.8.5-alpha.4
- 1d agoSiYuanv3.8.5-alpha.3
- 2d agoSiYuanv3.8.5-alpha.2
- 2d agoSiYuanv3.8.5-alpha.1
- 19d agoRadarrExternal IDs, original-title search, and Trusted Networks
- 28d agoRadarrRadarr 6.4.2: Trakt OAuth URL fixed
- 1mo agoRadarrRadarr 6.4.1: RQBit download client support
- 1mo agoRadarrRadarr 6.4.0 build 10540: HTTP and JSON handling cleanup
- 2mo agoRadarrRadarr 6.4.0 develop bump and cookie handling fix
- 2mo agoRadarrRadarr 6.3.0 master build: translations and CI fix
Frequently asked questions
What is the difference between Radarr and SiYuan?
They serve adjacent needs but don't currently overlap on shipped themes. SiYuan is currently shipping more aggressively (velocity 6.3 vs 5.0), 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 Radarr 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 5.0), 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 Radarr?
Top Radarr alternatives in Collab are ranked by recent ship velocity. Browse the "Radarr alternatives" section above for the current picks, or visit /alternatives/radarr 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.