Open source
Signal
Private encrypted messenger for text, voice and video calls
Email and EncryptionPrivate encrypted messenger
Alternatives to Tuta
12 tools like Tuta, chosen by what they do. About Tuta
Open source
VeraCrypt
Free open source disk encryption for Windows, Mac and Linux
Email and EncryptionDisk encryption software
Open source
Cryptomator
Open source encryption for files stored in cloud drives
Email and EncryptionEncrypt cloud files
Curated
MXToolbox
Online DNS, mail server and blacklist lookup tools
Email and EncryptionDNS and email diagnostics
Freemium
dmarcian
DMARC management platform with free domain and record checker tools
Email and EncryptionDMARC management
Freemium
Proton Mail
Encrypted email with a free plan and privacy-focused accounts
Email HostingEncrypted email for domains
Curated
Zoho Mail
Business email hosting on custom domains with calendar and contacts
Email HostingAd-free business email
Open source
Ente Auth
Open source 2FA authenticator with end-to-end encrypted backups
Identity and SecretsOpen source 2FA app
Open source
Freemium
Standard Notes
Free end-to-end encrypted notes that sync across devices
Notes and WikisEnd to end encrypted notes
Open source
Proton Pass
End-to-end encrypted password manager with email aliases
Identity and SecretsPrivate password manager
Free trial
Fastmail
Private email, calendar and contacts with EU or US data hosting
Email HostingPrivate fast email hosting