Mumble
Mumble's 1.6 reaches a second release candidate while 1.5 loses macOS binaries.
Comparison · Collab
Passbolt vs Slack
A side-by-side editorial comparison of Passbolt and Slack — release velocity, themes, recent moves, and the top alternatives to consider.
Passbolt vs Slack: at a glance
What is Passbolt?
Passbolt adds passkeys for MFA and rebuilds autofill detection, with passwordless still to come.
Passbolt 5.17 adds passkeys as a second factor in every edition and rebuilds autofill detection, raising form detection on its internal test set from 74% to 93.4%. It also brings the permission review to moves of resources and folders, as earlier notes promised. The previous release, 5.16, added a read-only Offline Mode in beta for when the server is unreachable.
What is Slack?
Slack lets companies manage Slackbot skills from code and CI, not only by hand
Slack's developer channel in October was mostly agent plumbing and tooling. Slackbot skills can now be created and managed through Web API methods, built from markdown instructions or existing canvases and kept current from CI. Slack Code for developers lets agents open ephemeral channels from an existing conversation as a shared workspace with people. Around that sit a new Block Kit layout block and four Slack CLI releases that shipped without descriptive notes.
Passbolt vs Slack: editorial side-by-side
Passbolt
2.5COLLAB
Passbolt adds passkeys for MFA and rebuilds autofill detection, with passwordless still to come.
◆ Current state
Passbolt 5.17 adds passkeys as a second factor in every edition and rebuilds autofill detection, raising form detection on its internal test set from 74% to 93.4%. It also brings the permission review to moves of resources and folders, as earlier notes promised. The previous release, 5.16, added a read-only Offline Mode in beta for when the server is unreachable.
◆ Where it's heading
The access-review arc that began with 5.14 has reached moves, so it is close to complete. The next arc is authentication: passkeys for MFA are stated as a first step, with passkey storage for third-party sites and passwordless sign-in to Passbolt named as follow-ups. Offline Mode and QuickAccess are also being extended resource type by resource type.
◆ Prediction
The next releases should deliver passkey storage as a resource type, with passwordless sign-in after it. Further resource types will move into QuickAccess and Offline Mode, as the 5.17 notes say.
Slack
5.0COMMSCOLLAB
Slack lets companies manage Slackbot skills from code and CI, not only by hand
◆ Current state
Slack's developer channel in October was mostly agent plumbing and tooling. Slackbot skills can now be created and managed through Web API methods, built from markdown instructions or existing canvases and kept current from CI. Slack Code for developers lets agents open ephemeral channels from an existing conversation as a shared workspace with people. Around that sit a new Block Kit layout block and four Slack CLI releases that shipped without descriptive notes.
◆ Where it's heading
The agent build-out that produced MCP client support and Slack Code is now getting administration surfaces: skills are becoming something an organization deploys and versions rather than configures in a UI. The SDKs added container and task_card layout blocks at the start of October, ahead of the layout block reaching Block Kit, so UI primitives for agent output are arriving in the libraries first.
◆ Prediction
Expect the Java, Python and Node SDKs to add the Slackbot skills methods and the new layout block, following the pattern of the October 1 SDK releases. The CLI notes give no hint of what changed, so its direction is unclear.
Passbolt alternatives
Other Collab products tracked by Sparkpulse, ranked by recent ship velocity. Tap any card for the full editorial trajectory or compare directly with Passbolt.
SiYuan
SiYuan's third 3.8.10 alpha adds a built-in Markdown editor and video looping.
Hibox
Hibox's feed now advertises free nonprofit training rather than product changes.
SOGo
SOGo's 5.12 line keeps shipping security fixes, now with mandatory settings attached.
CommaFeed
After a summer of security patches, CommaFeed 7.4 moves feed fetching to HTTP/2.
Teable
Teable follows its Template Center rebuild with a side-panel record view.
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.
Converse.js
Converse.js 14.0.1 fixes OMEMO:2 group decryption broken by Chromium 153.
Element iOS
Element Classic now asks its own users to move to Element X, if their server opts in.
Brosix
Brosix follows its communities launch with a referral push and a private-room how-to.
VerneMQ
VerneMQ follows its year-in-the-making 2.2.0 with a quick round of subscription fixes.
Session
Session survived its funding scare; now Pro is on hold and Protocol v2 is the bet.
Misskey
Misskey moves to Sentry v11 and keeps shipping security fixes in its monthly releases.
Recent activity from Passbolt and Slack
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 3d agoSlackSlack CLI 4.12.0, the fourth CLI release in October
- 4d agoSlackNew Block Kit layout block
- 5d agoSlackSlackbot skills API methods are here!
- 11d agoSlackSlack CLI 4.11.0 ships with no change notes
- 13d agoPassbolt5.17 adds passkeys for MFA and a rebuilt autofill engine
- 20d agoSlackSlack CLI 4.10.0 ships with no change notes
- 26d agoSlackSlack Code for developers
- 1mo agoPassbolt5.16 adds read-only Offline Mode in beta
- 2mo agoPassbolt5.15 adds database sessions and closes shared-tag permission bypasses
- 2mo agoPassbolt5.14.3 limits the permission dialog to actual secret changes
- 3mo agoPassbolt5.14 adds confirmation prompts before shared-resource edits
- 4mo agoPassbolt5.13 adds in-app switching between Community and Pro
Frequently asked questions
What is the difference between Passbolt and Slack?
They serve adjacent needs but don't currently overlap on shipped themes. Slack 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 Passbolt better than Slack?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Slack 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 Passbolt?
Top Passbolt alternatives in Collab are ranked by recent ship velocity. Browse the "Passbolt alternatives" section above for the current picks, or visit /alternatives/passbolt 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.