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Comparison · Support
osTicket vs Sleekplan
A side-by-side editorial comparison of osTicket and Sleekplan — release velocity, themes, recent moves, and the top alternatives to consider.
osTicket vs Sleekplan: at a glance
What is osTicket?
osTicket runs in steady maintenance mode — security patches and PHP compatibility, little net-new
osTicket's release feed is pure maintenance. The recent stable line (v1.18.x) ships security updates, bug fixes, and ongoing PHP 8.3/8.4 compatibility, with refreshed language packs and plugins each time. Release cadence is slow and irregular — the latest, v1.18.4, followed v1.18.3 by roughly five months. This is a mature open-source helpdesk being kept current, not actively reinvented.
What is Sleekplan?
Sleekplan bets its relaunch on feedback that triages itself
After a quiet stretch through most of 2025, Sleekplan re-accelerated with a June rebuild — Sleekplan 2.0 in beta — pairing a ground-up admin app with an AI layer meant to manage feedback automatically. Alongside it, a rebuilt, fully configurable Impact Score replaces the old black-box prioritization.
osTicket vs Sleekplan: editorial side-by-side
osTicket
2.5SUPPORT
osTicket runs in steady maintenance mode — security patches and PHP compatibility, little net-new
◆ Current state
osTicket's release feed is pure maintenance. The recent stable line (v1.18.x) ships security updates, bug fixes, and ongoing PHP 8.3/8.4 compatibility, with refreshed language packs and plugins each time. Release cadence is slow and irregular — the latest, v1.18.4, followed v1.18.3 by roughly five months. This is a mature open-source helpdesk being kept current, not actively reinvented.
◆ Where it's heading
The throughline is keeping a long-lived codebase safe and runnable on current PHP, plus the multi-year push to get installs onto OAuth2/Modern Authentication as Microsoft and Google retire Basic Auth for email. Expect continued patch-and-compatibility releases rather than feature expansion; the project's value is stability and self-hostability, and the changelog reflects that posture.
◆ Prediction
The next release will most likely be another v1.18.x maintenance drop with security fixes and PHP/library compatibility, timed to a disclosed vulnerability or a new PHP version. A feature-led release isn't indicated by this history.
Sleekplan
6.3SUPPORT
Sleekplan bets its relaunch on feedback that triages itself
◆ Current state
After a quiet stretch through most of 2025, Sleekplan re-accelerated with a June rebuild — Sleekplan 2.0 in beta — pairing a ground-up admin app with an AI layer meant to manage feedback automatically. Alongside it, a rebuilt, fully configurable Impact Score replaces the old black-box prioritization.
◆ Where it's heading
The direction is autonomous feedback handling: less manual triage, more AI-driven scoring, routing, and loop-closing, with integrations like Linear pushing items straight into engineering workflows. Making the Impact Score transparent and configurable signals Sleekplan knows teams won't trust automation they can't audit.
◆ Prediction
Expect Sleekplan 2.0 to move from beta to general availability with the AI layer expanded, plus more two-way integrations that push scored feedback directly into delivery tools.
Alternatives to osTicket and Sleekplan
Other Support 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 osTicket or Sleekplan.
Supportbench
Supportbench's feed is all helpdesk-migration and competitor-comparison content, not product news
Richpanel
Richpanel is racing to make its inbox the only tab a support agent ever needs.
LiveAgent
LiveAgent wires up paid AI usage while running a heavy fix-and-security cadence
Hatz AI
Hatz AI is building a governed, white-label AI layer for managed service providers
Twilio
Twilio is hardening messaging into regulated-industry infrastructure — consent, compliance, HIPAA.
See all osTicket alternatives → · See all Sleekplan alternatives →
Recent activity from osTicket and Sleekplan
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 11d agoSleekplanIntroducing the New Impact Score: Transparent, Explainable, Fully Configurable
- 11d agoSleekplanSleekplan 2.0: A Feedback Loop that Manages Itself! ⚡
- 16d agoosTicketosTicket v1.18.4 / v1.17.8 Available
- 4mo agoSleekplanIntroducing Linear Integration 🚀 & bug fixes
- 5mo agoosTicketosTicket v1.18.3 / v1.17.7 Available
- 1y agoSleekplanBug fixes across notifications and core platform
- 1y agoSleekplanNew Home, Shortcuts, Saved Searches and In-app Surveys
- 1y agoosTicketosTicket v1.18.2/v1.17.6 Available
- 1y agoSleekplanIntroducing Our New Screenshot Annotation Feature! 📸✍️
- 2y agoosTicketosTicket v1.18.1/v1.17.5 Available
- 3y agoosTicketosTicket v1.18.0/v1.17.4 Available
- 3y agoosTicketosTicket v1.16.6/v1.17.3 Available
Frequently asked questions
What is the difference between osTicket and Sleekplan?
They serve adjacent needs but don't currently overlap on shipped themes. Sleekplan is currently shipping more aggressively (velocity 6.3 vs 2.5), 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 osTicket better than Sleekplan?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Sleekplan is currently shipping more aggressively (velocity 6.3 vs 2.5), with 1 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Support products to evaluate alongside.
What are the best alternatives to osTicket?
Top osTicket alternatives in Support are ranked by recent ship velocity. Browse the "osTicket alternatives" section above for the current picks, or visit /alternatives/osticket for the full list with editorial commentary on each.
What are the best alternatives to Sleekplan?
Top Sleekplan alternatives in Support are ranked by recent ship velocity. Browse the "Sleekplan alternatives" section above for the current picks, or visit /alternatives/sleekplan for the full list with editorial commentary on each.