Proton was started in 2014 by scientists who met at CERN and shared a vision of an internet that defends freedom and puts people first. Our transparency, open-source software, and rigorous …

Proton Mail ... Proton Mail[a][b] is a Swiss [8] end-to-end encrypted email service launched in 2014. It is owned by the non-profit Proton Foundation through its subsidiary Proton AG, which …

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Dec 7, 2025 · Proton, stable subatomic particle that has a positive charge equal in magnitude to a unit of electron charge and a rest mass of 1.67262 x 10^-27 kg, which is 1,836 times the mass …

To start using Proton VPN, sign up for free or buy a paid Proton VPN Plus account. With our paid plans, you can use Proton VPN on up to 10 devices at the same time, connect to over 15000 …

Proton Mail is based in Switzerland and uses advanced encryption to keep your data safe. Apps available for Android, iOS, and desktop devices.

Proton AG is a Swiss technology company offering privacy -focused online services and software. It is majority owned by the non-profit Proton Foundation. [5]

Proton Mail is a free and secure email service that's powered by our community, not surveillance capitalism. Our free plan is supported by paid subscriptions that offer extra features and storage.