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Comparison · Collab

KACE vs Readarr

A side-by-side editorial comparison of KACE and Readarr — release velocity, themes, recent moves, and the top alternatives to consider.

KACE vs Readarr: at a glance

FeatureKACEReadarr
SectorCollabCollab
Velocity score5.00.0
Sparks · 30d00
Top themesendpoint-management, security-patches, php2shell, windows-11book-management, self-hosted, maintenance-only, dormant
Last editorial update1d ago2mo ago
Website—Visit →

What is KACE?

KACE extends its PHP2SHELL fix to the SDA deployment appliance, six days after disclosure.

KACE has now patched the critical PHP2SHELL vulnerabilities across both appliances: SMA 15.1 and 15.0 on October 23, and the SDA 9.3 deployment appliance on October 27. SMA also gained official support for Windows 11 26H2 agents and patches, following KACE Cloud's 26H2 support a few days earlier.

Read the full KACE trajectory →

What is Readarr?

Six releases of small fixes and translations, then nothing since June 2025.

Readarr's last six entries run from March to June 2025 and are uniformly small: a truncated root-folder path, remote image links for posters and covers, NLog message templating, disabled SelectInput options, Weblate translation batches. Every entry opens with the same instructions about switching to the develop branch and not updating inside a running Docker container. Nothing in this window adds capability, and no entry has appeared in over a year.

Read the full Readarr trajectory →

KACE vs Readarr: editorial side-by-side

K
KACE
COLLAB
5.0

KACE extends its PHP2SHELL fix to the SDA deployment appliance, six days after disclosure.

◆ Current state

KACE has now patched the critical PHP2SHELL vulnerabilities across both appliances: SMA 15.1 and 15.0 on October 23, and the SDA 9.3 deployment appliance on October 27. SMA also gained official support for Windows 11 26H2 agents and patches, following KACE Cloud's 26H2 support a few days earlier.

◆ Where it's heading

The changelog is dominated by security response and OS-version coverage, with both SMA branches patched in lockstep. Feature work is limited to agent reliability fixes. KACE behaves like a maintained endpoint-management line rather than one being redirected.

◆ Prediction

Expect November Patch Tuesday content and further cumulative patches on both SMA branches. The entries don't point to new feature work.

R
Readarr
COLLAB
0.0

Six releases of small fixes and translations, then nothing since June 2025.

◆ Current state

Readarr's last six entries run from March to June 2025 and are uniformly small: a truncated root-folder path, remote image links for posters and covers, NLog message templating, disabled SelectInput options, Weblate translation batches. Every entry opens with the same instructions about switching to the develop branch and not updating inside a running Docker container. Nothing in this window adds capability, and no entry has appeared in over a year.

◆ Where it's heading

The pattern is a project in caretaker mode: auto-generated commit lists, incremental UI corrections, and internal work like using ReflectionOnly types to avoid loading assemblies unnecessarily. Volume held steady at roughly one release every one to two weeks until it stopped entirely. The entries themselves give no reason for the halt.

◆ Prediction

The changelog offers no signal of resumed development; without new entries there is nothing here to project forward beyond the fact that the feed went quiet after 0.4.18.

Alternatives to KACE and Readarr

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 KACE or Readarr.

See all KACE alternatives → · See all Readarr alternatives →

Recent activity from KACE and Readarr

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 2d agoKACESDA 9.3 hotfix closes PHP2SHELL flaws
  2. 3d agoKACEKACE SMA Windows 11 26H2 general support
  3. 6d agoKACEKACE SMA 15.0 Cumulative Patch 5
  4. 6d agoKACEKACE SMA 15.1 Cumulative Patch 2
  5. 6d agoKACEKACE Cloud supports Windows 11 26H2 feature updates
  6. 14d agoKACEOctober 2026 Microsoft Patch Tuesday
  7. 1y agoReadarr0.4.18.2805 avoids loading unnecessary assemblies
  8. 1y agoReadarr0.4.17.2801 returns remote image links for posters and covers
  9. 1y agoReadarr0.4.16.2793 fixes a truncated root folder path
  10. 1y agoReadarr0.4.15.2787 switches log messages to templates
  11. 1y agoReadarr0.4.14.2782 fixes adding an author before root folders load
  12. 1y agoReadarr0.4.13.2760 improves author status and loading-error display

Frequently asked questions

What is the difference between KACE and Readarr?

They serve adjacent needs but don't currently overlap on shipped themes. KACE is currently shipping more aggressively (velocity 5.0 vs 0.0), 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 KACE better than Readarr?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. KACE is currently shipping more aggressively (velocity 5.0 vs 0.0), 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 KACE?

Top KACE alternatives in Collab are ranked by recent ship velocity. Browse the "KACE alternatives" section above for the current picks, or visit /alternatives/kace for the full list with editorial commentary on each.

What are the best alternatives to Readarr?

Top Readarr alternatives in Collab are ranked by recent ship velocity. Browse the "Readarr alternatives" section above for the current picks, or visit /alternatives/readarr for the full list with editorial commentary on each.