Docotic.Pdf - Docotic.Pdf is a high-performance C# PDF library for .NET. You can use it to create, read, and edit PDF documents in .NET Core, ASP.NET, Windows Forms, WPF, Xamarin, Blazor, Unity, and HoloLense applications.

DocuSign - Try DocuSign's interactive signing demo now! Send yourself an electronic document to digitally sign using our e-signature service.

IronPDF - SDK for creating and editing PDFs.

RightSignature - Contracts, NDAs, forms, you name it — all signed online in minutes

Pen2txt - Transform handwritten notes into digital text with Pen2txt: the ultimate AI companion for flawless Handwritten Text Recognition (HTR). Combining OCR and AI for accurate, searchable, and editable results. Ideal for anyone digitizing documents.

Scrive - Scrive is a solution to e-sign documents via email, SMS, tablet or integrated into a webpage.