Immich
Immich's 3.4 candidate adds passkeys and built-in backups.
Comparison · Collab
Readarr vs SOGo
A side-by-side editorial comparison of Readarr and SOGo — release velocity, themes, recent moves, and the top alternatives to consider.
Shared themes:self-hosted
Readarr vs SOGo: at a glance
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.
What is SOGo?
SOGo's 5.12.13 fixes its largest batch of vulnerabilities yet, some critical.
SOGo, Alinto's self-hosted webmail, calendar and contacts suite, has made almost every 2026 release about security. v5.12.13 on 4 November fixes two SQL injections, a buffer overflow, an LDAP filter injection, path traversal, an impersonation flaw and several unsafe HTML elements, affecting all previous versions. It follows 5.12.11's password reset poisoning fix and 5.12.12's switch to verifying LDAP TLS certificates by default.
Readarr vs SOGo: editorial side-by-side
Readarr
0.0COLLAB
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.
SOGo
5.0COLLAB
SOGo's 5.12.13 fixes its largest batch of vulnerabilities yet, some critical.
◆ Current state
SOGo, Alinto's self-hosted webmail, calendar and contacts suite, has made almost every 2026 release about security. v5.12.13 on 4 November fixes two SQL injections, a buffer overflow, an LDAP filter injection, path traversal, an impersonation flaw and several unsafe HTML elements, affecting all previous versions. It follows 5.12.11's password reset poisoning fix and 5.12.12's switch to verifying LDAP TLS certificates by default.
◆ Where it's heading
Outside researchers and coordinators such as VulnCheck are now reporting issues in batches, and each release closes several at once. The fixes are moving from individual XSS paths toward input handling across SQL, LDAP and file paths, which points to a broader audit of the codebase rather than one-off patches.
◆ Prediction
Expect CVE IDs for the 5.12.13 fixes to be published and further 5.12.x security releases at a roughly monthly pace; the entries show no sign of a feature release.
Alternatives to Readarr and SOGo
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 Readarr or SOGo.
HedgeDoc
HedgeDoc 1.12.1 fixes seven advisories, then gets pulled for a PostgreSQL migration bug
Whereby
Whereby folds three months into one digest and still lists nothing specific
Hive
Hive's dashboard push reaches goals: sub-goals now expand inline.
Tango
Tango ships an MCP server, so AI assistants can answer from a team's captured workflows.
HelloID
HelloID's November release lets rule-mining results leave the console as Excel files.
See all Readarr alternatives → · See all SOGo alternatives →
Recent activity from Readarr and SOGo
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 16h agoSOGoSOGo 5.12.13 fixes SQL injections, overflow and impersonation
- 22d agoSOGoSOGo 5.12.12 fixes a vulnerability, enforces LDAP TLS checks
- 1mo agoSOGoSOGo 5.12.11: reset poisoning and XSS fixed, new required setting
- 2mo agoSOGoFour more vulnerabilities patched; all prior versions affected
- 5mo agoSOGoPatch undoes 5.12.8 regressions in preferences and mail display
- 5mo agoSOGoTwo CVEs fixed for PostgreSQL user sources
- 1y agoReadarr0.4.18.2805 avoids loading unnecessary assemblies
- 1y agoReadarr0.4.17.2801 returns remote image links for posters and covers
- 1y agoReadarr0.4.16.2793 fixes a truncated root folder path
- 1y agoReadarr0.4.15.2787 switches log messages to templates
- 1y agoReadarr0.4.14.2782 fixes adding an author before root folders load
- 1y agoReadarr0.4.13.2760 improves author status and loading-error display
Frequently asked questions
What is the difference between Readarr and SOGo?
Both compete on the same themes — self-hosted — within Collab. SOGo 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 Readarr better than SOGo?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. SOGo 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 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.
What are the best alternatives to SOGo?
Top SOGo alternatives in Collab are ranked by recent ship velocity. Browse the "SOGo alternatives" section above for the current picks, or visit /alternatives/sogo for the full list with editorial commentary on each.