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 |
|---|---|---|---|---|---|---|---|
 BearA powerfully simple Markdown note taking app to capture, write, and organize your life | ReviewsNone yetWrite one for Bear | Lowest paid plan$2.99per month, or $29.99 per yearPro, as of October 23, 2026 | Free planYes | Free trial7 days | Public APIYes | Runs onmacOS, iOS | Main features
|
 Cal.comThe better way to schedule your meetings | ReviewsNone yetWrite one for Cal.com | Lowest paid plan$12per user per month, billed yearlyTeams, as of October 23, 2026 | Free planYes | Free trial14 days | Public APIYes | Runs onmacOS, Windows, Linux, iOS, Android, Chrome extension | Main features
|
 CapacitiesA home for everything you think, learn, and create | ReviewsNone yetWrite one for Capacities | Lowest paid plan$9.99per month, billed yearly at $119.88Capacities Pro, as of October 23, 2026 | Free planYes | Free trialYes | Public APIYes | Runs onWeb, macOS, Windows, Linux, iOS, Android | Main features
|
 HeptabaseAn intelligent, visual knowledge base built for students, researchers, and lifelong learners. | ReviewsNone yetWrite one for Heptabase | Lowest paid plan$8.99per month, billed yearlyPro, as of October 28, 2026 | Free planNot confirmed | Free trial7 days | Public APINot confirmed | Runs onMac, Windows, Linux, iOS, Android | Main features
|
 JoplinAn open source note-taking app. Capture your thoughts and securely access them from any device | ReviewsNone yetWrite one for Joplin | Lowest paid planSee plans | Free planNot confirmed | Free trial14 days | Public APINot confirmed | Runs onWindows, macOS, Linux, Android, iOS, Web, CLI, Chrome extension | Main features
|
 MotionThe #1 Rated Productivity Platform for the AI Era. | ReviewsNone yetWrite one for Motion | Lowest paid plan$19per seat per monthPro AI, as of October 28, 2026 | Free planNot confirmed | Free trialYes | Public APIYes | Runs oniOS, Android, Desktop | Main features
|
 RoamA note-taking tool for networked thought. | ReviewsNone yetWrite one for Roam | Lowest paid plan$15per month, or $165 per yearPro, as of October 28, 2026 | Free planNot confirmed | Free trial31 days | Public APIYes | Runs onmacOS, Windows, Linux, iOS, Android, Chrome | Main features
|
| SimplyBook.meAn all-in-one online booking system for service-based businesses. | ReviewsNone yetWrite one for SimplyBook.me | Lowest paid planNot confirmed | Free planYes | Free trial14 days | Public APIYes | Runs onWeb, iOS, Android | Main features
|
 YouCanBookMeThe online scheduling solution made for small to midsize businesses | ReviewsNone yetWrite one for YouCanBookMe | Lowest paid planSee plans | Free planYes | Free trial14 days | Public APIYes | Runs onChrome extension | Main features
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 zcalBeautiful scheduling pages your clients will love | ReviewsNone yetWrite one for zcal | Lowest paid plan$7per user per month, billed annuallyPro, as of October 23, 2026 | Free planYes | Free trial14 days | Public APINot confirmed | Runs onNot confirmed | Main features
|
 Zoho BookingsAI-powered appointment scheduling software | ReviewsNone yetWrite one for Zoho Bookings | Lowest paid plan$6per user per month, billed annuallyBasic, as of October 23, 2026 | Free planYes | Free trial15 days | Public APIYes | Runs oniOS, Android | Main features
|
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