PDFeSigner:
"E-Lock PDFeSigner is a PKI based PKCS#7 compliant, easy-to-use desktop software for signing PDF files. This PDF signing solutions helps organization to digitally sign PDF files at just a click of mouse. This software comes with a feature of sending these digitally signed PDF files through email using your e-mail system. Thus saving the hassle and cost of printing and distributing the files."
NPCSigner
"E-Lock NPCSigner is a sturdy, standards compliant signing tool designed for National Payments Corporation of India�s National Automated Clearing House (NACH) Project. It is a signing and encryption tool that can sign files in RAW format and PKCS#7 format as per the requirements of NPCI. E-Lock NPCSigner can sign files using digital signature certificate issued by any Certifying Authority in India."
E-Lock Bulk Signer
E-Lock Bulk Signer enables automated, unattended signing of documents of any format on the server.
E-Lock SuperSigner SDK
E-Lock SuperSigner SDK is a PKCS#7 compliant digital signature solution that enables user to sign files of any format on client machine and upload them to server or directly sign files stored on server.