Neither Keybase nor SecureDoc offers a free trial.
Keybase is designed for Large Enterprises, Medium Business and Small Business.
SecureDoc is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing details for both Keybase and SecureDoc are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Keybase includes Encrypt.me, 1Password, SendSafely, VoltShare, Element, Crypho, Confide, Signal Messenger, CypherChat and SmartEncrypt.
Some top alternatives to SecureDoc includes Backblaze, Boxcryptor, Sophos SafeGuard Encryption, IBM Security Guardium Data Encryption, ESET Endpoint Encryption, McAfee Complete Data Protection, Locker, Sealit, Trellix Email Security and SmartEncrypt.