


AlphaTrust’s mission is to eliminate every need to process paperwork on paper driving significant competitive advantages and efficiencies for their customers. Since 1998 they’ve assisted customers globally to automate their critical paperwork with key capabilities such as electronic signatures and initials, approvals.
DigiSigner is an online tool for viewing and digitally signing portable document format (PDF) files. DigiSigner tool is free for both private and commercial use. DigiSigner is capable of viewing PDF documents and creating digital signatures in them using X.509 certificates. The tool supports and manages certificates from file key stores (PFX/PKCS#12), smartcards, USB sticks (PKCS#11) and internal Microsoft Windows key store. Support of time stamp servers is provided. Batch signing feature allows for signing multiple documents in one run.
Nitro is a document productivity company. They make it easy for business teams to convert, edit, share, sign, and analyze documents anywhere on any device. Founded in 2005 in Melbourne, Australia and headquartered in San Francisco, Nitro is used by more than 600,000 businesses, including over half of the Fortune 500.





