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Comparison · Support
Libredesk vs Plain
A side-by-side editorial comparison of Libredesk and Plain — release velocity, themes, recent moves, and the top alternatives to consider.
Libredesk vs Plain: at a glance
What is Libredesk?
Libredesk moves to v2.9.1 candidates with AI reply handling and security audit fixes.
Libredesk, an open-source helpdesk, shipped v2.9.0 after ten release candidates that added a WhatsApp inbox, proactive chat, an in-widget help center, email aliases and cited AI replies. The first v2.9.1 candidate is a hardening pass: security audit fixes, dependency and Go updates, a database-aware health check, and immediate IMAP scanning on inbox start. It also answers customer messages that arrive while the AI is still replying and skips away agents in auto-assignment.
What is Plain?
Plain built an autonomous support agent, and has now built the controls to trust it.
Plain's changelog is dated entries with no titles, and nearly all of it concerns two AI surfaces: Ari, the customer-facing responder, and Sidekick, the internal agent. Sidekick spent July gaining reach — its own full-page home, reusable workspace skills, and connection to arbitrary MCP servers. The newest release turns to Ari and adds what was missing around it: a way to test it before customers see it, provenance behind each answer, configurable tone, and explicit escalation rules.
Libredesk vs Plain: editorial side-by-side
Libredesk
5.0SUPPORT
Libredesk moves to v2.9.1 candidates with AI reply handling and security audit fixes.
◆ Current state
Libredesk, an open-source helpdesk, shipped v2.9.0 after ten release candidates that added a WhatsApp inbox, proactive chat, an in-widget help center, email aliases and cited AI replies. The first v2.9.1 candidate is a hardening pass: security audit fixes, dependency and Go updates, a database-aware health check, and immediate IMAP scanning on inbox start. It also answers customer messages that arrive while the AI is still replying and skips away agents in auto-assignment.
◆ Where it's heading
With 2.9's channel expansion done, work has shifted to reliability around those features: AI conversation edge cases, assignment accuracy and email decoding. The project keeps using long RC series before each release.
◆ Prediction
Expect a stable v2.9.1 after a few more candidates, then a 2.10 RC series. The entries don't show what 2.10 will add.
Plain
8.8SUPPORT
Plain built an autonomous support agent, and has now built the controls to trust it.
◆ Current state
Plain's changelog is dated entries with no titles, and nearly all of it concerns two AI surfaces: Ari, the customer-facing responder, and Sidekick, the internal agent. Sidekick spent July gaining reach — its own full-page home, reusable workspace skills, and connection to arbitrary MCP servers. The newest release turns to Ari and adds what was missing around it: a way to test it before customers see it, provenance behind each answer, configurable tone, and explicit escalation rules.
◆ Where it's heading
The sequence reads as capability first, then governance. Plain rebuilt Ari into an agentic first responder, opened Sidekick to any MCP server, and let teams write skills the whole workspace shares — all of which widen what the agents can do and reach. The current release closes the loop the other way, making that autonomy inspectable and bounded before it is switched on. That is the order support-AI vendors have to complete in: teams will not put an agent in front of customers on capability claims alone.
◆ Prediction
With testing and provenance in place, the next step is likely measurement — resolution and escalation rates per skill, or per-answer quality review feeding back into the skills teams write. The entries are short summaries linking off-site, so per-release depth is limited.
Alternatives to Libredesk and Plain
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 Libredesk or Plain.
Service Fusion
Service Fusion's feed stays on buyer guides, now an HVAC technician tool list.
Tawk.to
tawk.to's widget 4.4.0 turns to keyboard and screen-reader fixes after a run of form work.
Live Helper Chat
Live Helper Chat 4.97 lets bots read file captions and OCR text and react to uploads.
DoneDone
DoneDone smooths daily work: paste-in checklists and replies that keep their formatting.
Twilio
Twilio follows Cohorts with three GA control APIs for webhooks, recording and caller trust.
See all Libredesk alternatives → · See all Plain alternatives →
Recent activity from Libredesk and Plain
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 2d agoLibredeskv2.9.1 RC1: security audit fixes, AI reply and assignment fixes
- 8d agoLibredeskv2.9 RC10: widget language control, quoted history in emails
- 18d agoLibredeskv2.9 RC9: email aliases, AI reply citations, session hardening
- 1mo agoLibredeskv2.9 RC8: WhatsApp inbox, proactive chat, AI tools in copilot
- 2mo agoPlainTest Ari before customers see it, with per-answer proof ⚡
- 2mo agoPlainImport past conversations from any tool, no built-in importer
- 3mo agoPlainSidekick connects to any MCP server ⚡
- 3mo agoPlainSidekick gains reusable, workspace-shared skills ⚡
- 3mo agoPlainShare published workflows by link
- 3mo agoPlainSidekick gets its own full-page home and tool controls
Frequently asked questions
What is the difference between Libredesk and Plain?
They serve adjacent needs but don't currently overlap on shipped themes. Plain is currently shipping more aggressively (velocity 8.8 vs 5.0), 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 Libredesk better than Plain?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Plain is currently shipping more aggressively (velocity 8.8 vs 5.0), with 0 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 Libredesk?
Top Libredesk alternatives in Support are ranked by recent ship velocity. Browse the "Libredesk alternatives" section above for the current picks, or visit /alternatives/libredesk for the full list with editorial commentary on each.
What are the best alternatives to Plain?
Top Plain alternatives in Support are ranked by recent ship velocity. Browse the "Plain alternatives" section above for the current picks, or visit /alternatives/plain for the full list with editorial commentary on each.