WeTransfer - WeTransfer is a free service to send big or small files from A to B.
Aspose.PDF for Java - Aspose.Pdf is a Java PDF component to create PDF documents without using https://alternativeto.
ZetPDF - PDF library for .NET, Windows Forms, ASP.NET, Mono, WPF, Silverlight
Tcpdf - TCPDF: Open Source PHP Class for generating PDF documents
PDF my URL - PDFmyURL turns any webpage or even complete website into PDF. Use our rest API in PHP, .NET, Ruby, Perl or any other programming language. Or convert webpages or even full websites directly in the browser!
IronPDF - SDK for creating and editing PDFs.