TL:DR; PDFLock - A developer dll for setting all security options, main- and user-password, encryption type .
Download PDFLock Shareware - Rating: 3.51
WeOnlyDo! SmtpServer ActiveX control is a component that can be easily integrated into your applications to provide full non-relaying Smtp (Simple Mail Transfer Protocol) server implementation
Powerful image activex ocx, support output PDF/A and read Kodak / Wang Annotation tags of TIFF file , PDF. Read, write EXIF ,TIFF tags. Split, Merge Swap TIFF.
Creates virtual COM ports directly from your own programs and fully control them! Provide interaction between serial communications applications and your program! OEM license allows you to distribute this ActiveX control as a part of your software