C# .NET Core, Java, Python, PHP, Node.js, Python, JavaScript, C++, Android, Swift, Go, Ruby, Dart, Perl APIs to create and convert PDF, Word, Excel, PowerPoint, Email, JPG, image, ZIP, and other formats on Windows, Linux, macOS & Android....openoffice excel 1 API 1 app to send emails 1 Append PDF files 1 Append...MS Word format 1 attachment email 1 auto deskew 1 autocad 3d pdf...