LiquidFiles
LiquidFiles provides self-managed secure file-transfer software for organizations exchanging large or sensitive files. Its virtual appliance can run on-premises or in customer-controlled VMware, Hyper-V, AWS, or Azure environments. Features include secure sending and receiving, shared folders, file requests, audit logging, directory integration, SSO, two-factor authentication, an Outlook plugin, and a REST API. The vendor offers user-bracket licensing and a 45-day free trial.