AI and automation tools
212 tools in 26 categories, 5 of them open source. Free plans and starting prices come from each vendor's own pricing page, checked 21 October 2026.
Docusign eSignature
E-signature priced per user with envelope allowances, plus IAM plans adding AI agreement search and workflows
Dropbox Sign
E-signature tool from Dropbox, formerly HelloSign, with unlimited signature requests on paid plans
PandaDoc
Document builder for proposals, quotes and contracts with e-signatures, payments and a free 5-document plan
Adobe Acrobat Sign
Adobe's e-signature service, sold inside Acrobat for teams plans or as custom-priced Acrobat Sign Solutions
signNow
E-signature plans priced per account with unlimited users, capped by signature invites
Zoho Sign
Digital signature app from Zoho with a free 5-envelope plan, per-user plans and $0.50-per-envelope API pricing
BoldSign
E-signature app and API from Syncfusion with a free 25-envelope plan and unlimited envelopes on Business
SignWell
E-signature tool priced by sender, with unlimited documents on paid plans and 25 free API documents a month