Proton

A suite of privacy-focused communication and productivity tools, including encrypted email, VPN, cloud storage, calendar, and password manager, that protects user data with end-to-end encryption. It serves both individual consumers and businesses across various industries, including tech, healthcare, and nonprofits. The platform is positioned as a privacy-first alternative to mainstream services, offering a free tier and open-source transparency.

Key features

• End-to-end encrypted email
• Secure VPN service
• Encrypted cloud storage
• Private calendar
• Password manager
• Two-factor authentication
• Hide-my-email aliases
• Encrypted notes
• Business video conferencing
• Confidential AI assistant