Zettlr
A markdown editor grinding through polish, with custom shortcuts finally landing after years
Comparison · Collab
SiYuan vs Slack
A side-by-side editorial comparison of SiYuan and Slack — release velocity, themes, recent moves, and the top alternatives to consider.
SiYuan vs Slack: at a glance
What is SiYuan?
SiYuan's databases are quietly becoming the reason to use it.
SiYuan is a local-first, self-hostable notes application on a fast alpha/beta/stable cadence — 3.7.2 and 3.7.3 both landed in July and 3.7.4 is already three alphas deep. Much of the volume is editor polish and platform work across Android, iOS and HarmonyOS, but the largest single block of change is the database feature: kanban and gallery layouts, relation and rollup filters, multi-select editing toolbars, frozen column ranges, per-block view configuration. Version 3.7.3 also added Obsidian Vault import and a unified data migration interface.
What is Slack?
Slack's app platform is being rebuilt around agents, with the SDKs clearing old ground behind it.
Slack's developer changelog currently runs on two tracks. One is agent infrastructure: agent apps now receive context about whatever channel, DM, thread, canvas, or list the user has open when they message the app, and a new manifest-declared messaging experience defines how agents converse. The other is SDK maintenance at a steady clip — Bolt for JS v5, a batch of Node Slack SDK majors, and three CLI releases inside a month.
SiYuan vs Slack: editorial side-by-side
SiYuan
5.0COLLAB
SiYuan's databases are quietly becoming the reason to use it.
◆ Current state
SiYuan is a local-first, self-hostable notes application on a fast alpha/beta/stable cadence — 3.7.2 and 3.7.3 both landed in July and 3.7.4 is already three alphas deep. Much of the volume is editor polish and platform work across Android, iOS and HarmonyOS, but the largest single block of change is the database feature: kanban and gallery layouts, relation and rollup filters, multi-select editing toolbars, frozen column ranges, per-block view configuration. Version 3.7.3 also added Obsidian Vault import and a unified data migration interface.
◆ Where it's heading
Database work has moved from a side feature to the bulk of the release notes, which points at SiYuan competing with structured-notes tools rather than plain Markdown editors. Portability is the second thread and it runs both ways — importing Obsidian vaults, comparing document versions, file history and data snapshots in the same menu. Worth reading carefully: each alpha restates every item from the ones before it, so a long changelog here is not the same as a large release.
◆ Prediction
The 3.7.4 alphas already carry a stable-sized list, so the next milestone is that stable rather than a new direction. The Stable/Beta/Alpha update channel added in alpha.3 suggests the team expects users to sit on pre-releases deliberately.
Slack
6.3COMMSCOLLAB
Slack's app platform is being rebuilt around agents, with the SDKs clearing old ground behind it.
◆ Current state
Slack's developer changelog currently runs on two tracks. One is agent infrastructure: agent apps now receive context about whatever channel, DM, thread, canvas, or list the user has open when they message the app, and a new manifest-declared messaging experience defines how agents converse. The other is SDK maintenance at a steady clip — Bolt for JS v5, a batch of Node Slack SDK majors, and three CLI releases inside a month.
◆ Where it's heading
The expansion is happening on the agent side while the SDK work removes rather than adds: axios swapped for native Fetch, Workflow Steps from Apps deleted, Node 20 set as the floor. Alongside that, a new Block Kit container block and the switch to pulling desktop notification text from blocks first both push more of the app experience into structured, app-rendered surfaces. Read together, Slack is moving the platform's center of gravity from configured workflow automation toward apps that hold a conversation with context.
◆ Prediction
Expect the next platform releases to widen what agents can receive and render — more context surfaces passed automatically and more Block Kit primitives to display results — while the CLI and SDKs keep their current maintenance cadence.
SiYuan alternatives
Other Collab products tracked by Sparkpulse, ranked by recent ship velocity. Tap any card for the full editorial trajectory or compare directly with SiYuan.
Rocket.Chat
All the substance lands in rc.0 — this cycle it's phishing-resistant MFA
KACE
KACE's real news lands in two numbered releases a quarter; the rest of the feed is fix notices
GitHub
GitHub shut down its model catalog and shipped stacked pull requests on the same day.
Notion
Notion is turning itself into the place other companies' agents come to work.
MSPbots
MSP automation aiming at an autonomous ticket lifecycle, reported only through roadmap posts
Slack alternatives
Other Collab products tracked by Sparkpulse, ranked by recent ship velocity. Tap any card for the full editorial trajectory or compare directly with Slack.
Rocket.Chat
Rocket.Chat is building for the air-gapped enterprise, and adding an AI layer on the way
Chatwoot
Chatwoot added voice, then pointed its AI agent at the tickets it already resolved.
Mailu
A mail server whose entire visible output is patching other people's code.
Roundcube
After four years, Roundcube 1.7 lands — and the release stream is otherwise all CVEs
Signal Desktop
Signal's beta train is quietly handing group admins real moderation powers.
Notion
Notion is turning itself into the place other companies' agents come to work.
Recent activity from SiYuan and Slack
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoSiYuanDatabase views and update channels lead a long 3.7.4 alpha
- 1d agoSlackRelease: Slack CLI v4.6.0
- 4d agoSiYuan3.7.4-alpha.2: one relation-selector tweak
- 6d agoSiYuan3.7.4 alpha opens with export, flashcard and database work
- 10d agoSiYuan3.7.3: Obsidian Vault import and unified data migration
- 10d agoSlackRelease: Slack CLI v4.5.0
- 11d agoSiYuan3.7.3-beta.3: release-candidate rollup ahead of stable
- 11d agoSiYuan3.7.3-beta.2: same rollup as the following beta
- 16d agoSlackRelease: Bolt for JS v5
- 17d agoSlackRelease: Multiple Node Slack SDK package updates
- 18d agoSlackDesktop notifications now pull text from blocks first
- 29d agoSlackAgent context has landed ⚡
Frequently asked questions
What is the difference between SiYuan and Slack?
They serve adjacent needs but don't currently overlap on shipped themes. Slack 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 SiYuan better than Slack?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Slack 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 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.
What are the best alternatives to Slack?
Top Slack alternatives in Collab are ranked by recent ship velocity. Browse the "Slack alternatives" section above for the current picks, or visit /alternatives/slack for the full list with editorial commentary on each.