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Comparison · Collab
EGroupware vs Slack
A side-by-side editorial comparison of EGroupware and Slack — release velocity, themes, recent moves, and the top alternatives to consider.
EGroupware vs Slack: at a glance
What is EGroupware?
EGroupware retires 23.1 and keeps shipping security fixes every week or two.
EGroupware shipped six 26.x releases in October, five flagged as security updates, including a critical fix plus a TinyMCE patch on 30 October. The final 23.1 release on 21 October closes that branch. Feature work continues in mail: unseen mail on top, delayed mark-as-read, a warning on large To/Cc lists with a move-to-Bcc offer, resolving distribution lists, and browser-side OCR for invoice PDFs that removes the Tika dependency.
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.
EGroupware vs Slack: editorial side-by-side
EGroupware
5.0COLLAB
EGroupware retires 23.1 and keeps shipping security fixes every week or two.
◆ Current state
EGroupware shipped six 26.x releases in October, five flagged as security updates, including a critical fix plus a TinyMCE patch on 30 October. The final 23.1 release on 21 October closes that branch. Feature work continues in mail: unseen mail on top, delayed mark-as-read, a warning on large To/Cc lists with a move-to-Bcc offer, resolving distribution lists, and browser-side OCR for invoice PDFs that removes the Tika dependency.
◆ Where it's heading
Security releases arrive at a near-weekly rate alongside steady mail client polish, now on a single supported branch. The invoice OCR change moves processing into the browser to shed a server dependency.
◆ Prediction
More security-led 26.x releases are near certain; with 23.1 retired, the work should concentrate fully on 26.
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.
EGroupware alternatives
Other Collab products tracked by Sparkpulse, ranked by recent ship velocity. Tap any card for the full editorial trajectory or compare directly with EGroupware.
Hive
Hive turns dashboards into a place to run apps, and lets AI Proofing read SharePoint guidelines.
Prowlarr
Prowlarr adds Trusted Networks and host validation, then moves to 2.7
Lidarr
Lidarr starts a 3.2 pre-release while 3.1 gains host and network checks
Dropbox Sign
Dropbox Sign's API can now check a PDF's fields before a signature request goes out
Paperless-ngx
Paperless-ngx shipped seven releases in October, two of them for security
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.
Misskey
Misskey moves to Sentry v11 and keeps shipping security fixes in its monthly releases.
Apprise
Apprise 2 is out: notify() returns a result object, and 2.1 takes the catalog to 170 services.
RSS.com
RSS.com's changelog is back after ten months, with listener voicemail for podcasts.
mailcow
mailcow's monthly releases are mostly upstream security updates with small UI work
The Lounge
The Lounge ships steadily but publishes release notes that say nothing.
Mailu
Mailu's October: patched PHP for webmail, and a resolver that reports DNS failures
Recent activity from EGroupware and Slack
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 2d agoEGroupware26.10.20261030 fixes a critical flaw and TinyMCE issue
- 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
- 11d agoEGroupwareFinal 23.1 release ends the branch with security fixes
- 11d agoEGroupware26.10.20261021 updates PHP and fixes admin actions
- 17d agoEGroupwareMemory-leak fixes and unseen-mail-on-top option
- 17d agoEGroupwareSecurity fixes plus large-recipient warning and invoice OCR
- 20d agoSlackSlack CLI 4.10.0 ships with no change notes
- 26d agoSlackSlack Code for developers
- 29d agoEGroupware26.10.20261003 security update with sync and mail fixes
Frequently asked questions
What is the difference between EGroupware and Slack?
They serve adjacent needs but don't currently overlap on shipped themes. EGroupware and Slack 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 EGroupware better than Slack?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. EGroupware and Slack 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 EGroupware?
Top EGroupware alternatives in Collab are ranked by recent ship velocity. Browse the "EGroupware alternatives" section above for the current picks, or visit /alternatives/egroupware 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.