Neither Protonmail nor Sealit offers a free trial.
Protonmail is designed for Large Enterprises, Medium Business and Small Business.
Sealit is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Protonmail and Sealit are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Protonmail includes ProtonVPN, Tutanota, Mailfence, NeoCertified, DataMotion Secure Email, Telios, Qualified, Workvivo, Sealit, NotbyEmail and PoliteMail.
Some top alternatives to Sealit includes ZixEncrypt, Proofpoint Email Encryption, SendSafely, NeoCertified, Echoworx, Dropvault, DataMotion Secure Email, Encrypted Work, NotbyEmail and SmartEncrypt.