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 |
|---|---|---|---|---|---|---|---|
 KamiAn all-in-one platform that turns any resource into interactive, accessible learning experiences. | ReviewsNone yetWrite one for Kami | Lowest paid plan$149per teacherTeacher, as of November 14, 2026 | Free planYes | Free trial30 days | Public APINot confirmed | Runs onGoogle Chrome, Microsoft Edge | Main features
|
| PDFescapeAn online PDF editor and form filler. | ReviewsNone yetWrite one for PDFescape | Lowest paid planNot confirmed | Free planYes | Free trialYes | Public APINot confirmed | Runs onWeb, Windows | Main features
|
 SmallpdfAll the tools you'll need to be more productive and work smarter with documents. | ReviewsNone yetWrite one for Smallpdf | Lowest paid planA$12.00per seat per month, billed annuallyTeam, as of November 13, 2026 | Free planYes | Free trial7 days | Public APINot confirmed | Runs onWeb, Mobile app, Windows | Main features
|
 XodoPower your team with advanced document editing, collaboration, and e-signing tools. | ReviewsNone yetWrite one for Xodo | Lowest paid plan$7.99per month, billed yearlyXodo Web, as of November 13, 2026 | Free planYes | Free trial3 days | Public APINot confirmed | Runs onWeb, Windows, macOS, Linux, Android, iOS | 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