Aircall
Communication
Cloud-based phone system built for sales and support teams that integrates with 100+ business tools.
from $30/user/mo
About Proton
Proton (formerly ProtonMail) gives you encrypted email, calendar, and VPN services from a single Swiss-based account. email providers, it cannot read your messages or sell your data because encryption happens on your device before anything reaches their servers.
What it does
Proton uses end-to-end encryption for email between Proton users and zero-access encryption for stored messages. Its VPN routes traffic through secure servers in Switzerland and other privacy-friendly jurisdictions. The calendar and drive features apply the same encryption model to events and files.
Best for
- Privacy-conscious individuals who want encrypted email without technical setup
- Journalists, activists, or professionals handling sensitive communications
- Users who need a unified privacy suite (email + VPN + storage) under one account
Strengths
- All services are open-source and independently audited
- Based in Switzerland, outside US and EU surveillance jurisdictions
- Free tier includes 500MB storage and basic VPN access
Key features
- End-to-end encrypted email — Messages are encrypted on your device before sending; Proton cannot read them
- Built-in VPN — Route your internet traffic through Swiss servers with no logs policy
- Encrypted calendar — Events and details are encrypted end-to-end, not visible to Proton
- Proton Drive — Store and share files with zero-access encryption
- Self-destructing messages — Set expiration times for sent emails
- Custom domains — Use your own domain with paid plans for professional email
