Listed alphabetically. A tool is ranked by its reviews once it has 3.
| Tool | Reviews | Lowest paid plan | Free plan | Free trial | Public API | Runs on | Main features |
|---|---|---|---|---|---|---|---|
 3CXA business phone system and contact center with built-in AI, priced per system. | ReviewsNone yetWrite one for 3CX | Lowest paid plan$6003CX Basic, as of November 14, 2026 | Free planYes | Free trialYes | Public APIYes | Runs onAndroid, iOS, Web, Windows | Main features
|
 CloudTalkEvery call answered, 24/7. By your team, or by AI. | ReviewsNone yetWrite one for CloudTalk | Lowest paid planNot confirmed | Free planNot confirmed | Free trial14 days | Public APIYes | Runs onDesktop and mobile | |
| JustCallAn AI-powered phone and SMS platform built for sales and support teams. | ReviewsNone yetWrite one for JustCall | Lowest paid planA$35per user per month, billed annuallyTeam, as of November 13, 2026 | Free planNot confirmed | Free trial14 days | Public APIYes | ||
 RingCentralVideo meetings made easy with AI-powered transcripts, notes, and recaps. | ReviewsNone yetWrite one for RingCentral | Lowest paid planNot confirmed | Free planYes | Free trial14 days | Public APIYes |
From each tool's own website. “Not confirmed” means we couldn't confirm it there, not that the tool doesn't have it. Each tool's page says when its facts were checked.
How this list is made
A tool is listed here only when we've confirmed on its own website that it has a free trial. Tools we couldn't confirm it for are left out, even if they may have it. Vendors can't pay for a place on this list. Add a tool we missed