As a cloud file-sharing system, Google Drive gets high marks for its generous storage capacity of 15GB of space for free. It also offers a robust Office suite of collaboration tools, including Docs (word-documents), Slides Sheets, Forms, and Forms. However, some users critique the software for crashing or locking up when used with other software.

idrShare is a great solution for small to mid-sized businesses. It is a straightforward platform that supports drag-and-drop and a variety of file formats, such as PDF, Word and Excel. Secure file transfer features include SSL/TLS encryption, two-factor authentication and password security. It is a great option for companies that must share files with vendors, customers and partners.

Firmex is a virtual data room which assists with complicated processes like diligence. It is suited for a variety of industries that include investment banking, biotech data room and government. It also comes with options like lock-down custom watermarks, custom watermarks, and expiry of documents. It is easy to use and provides a clean, intuitive interface.

RR Donnelley Venue is an enterprise VDR that provides a range of solutions to industry issues like due diligence, M&A buy and sell-side, and procurement management. It comes with standard VDR features such as view-only access and click trails, activity reporting, and 256 bit encryption for data in the rest. It also provides a range of security controls, such as watermarking of documents that can be customized and the option of removing folder-level views to give you more control.