- Freemium • Open Source
- WebMail Provider
- Email Client
- Calendar App
83 alternatives to Proton Mail- Linux
- Online
- Android
- iPhone
- iPad
- Tor
Secure email with absolutely no compromises, brought to you by MIT and CERN scientists.
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Top 3 alternatives
K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable notifications and more.
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- Free • Open Source
- Encrypted Chat App
- Team Collaboration Tool
61 alternatives to Keybase- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Ruby
- JavaScript
- Go (Programming Language)
- Java
- Tor
- iPad
Keybase is a new and free security app for mobile phones and computers. For the geeks among us: it's open source and powered by public-key cryptography.
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- Free • Open Source
- Operating System
- Linux Distro
102 alternatives to Tails- Linux
- Electrum
- Tor Browser Bundle
- GNOME
- Tor
- VeraCrypt
- Thunderbird
The Amnesic Incognito Live System (Tails) is a Debian 9 based live CD/USB with the goal of providing complete Internet anonymity for the user. The product ships with several Internet applications, including web browser, IRC client, mail client...
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FairEmail is a privacy-focused email client with a setup wizard that helpfully walks you through the steps to use it with any email provider. There are many privacy settings including encryption via OpenPGP and S/MIME and reformatted emails to avoid phishing.
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- Freemium • Open Source
- Disposable Email Service
- Privacy Tool
81 alternatives to AnonAddy- Self-Hosted
- Google Chrome
- Software as a Service (SaaS)
- Firefox
AnonAddy is an open-source anonymous email forwarding service. The name AnonAddy is short for "anonymous email address".
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Top 3 alternatives
GnuPG allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for all kinds of public key directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications.
Top 3 alternatives
- Free • Open Source
- Instant Messenger
- Encrypted Chat App
- Group Chat App
142 alternatives to Conversations- Android
- Android Tablet
- F-Droid
Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].
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Top 3 alternatives
Web- and IMAP-based email service. 2GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used.
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Top 3 alternatives
- Free • Open Source
- WebMail Provider
- Email Client
- Mail Server
29 alternatives to Roundcube- Self-Hosted
- PHP
- Cloudron
Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking.
Top 3 alternatives
Mailbox.org offers a secure e-mail account for home and business use. The domain name, me@mailbox.org, is easy to remember and can be understood anywhere in the world. They have been operating e-mail accounts for more than 20 years and are a highly reliable service provider.
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Top 3 alternatives
- Freemium • Proprietary
- WebMail Provider
- Email Client
- Calendar App
59 alternatives to Mailfence- Online
- Android
- iPhone
- Android Tablet
- iPad
Mailfence is a secure and private email service that fights for online privacy and digital freedom.
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Top 3 alternatives
Vivaldi Mail is a free email service with no ads and no strings attached developed by Vivaldi Technologies. It also offers contacts and calendar features, search capabilities, folders management, WEB/POP/IMAP access, 5GB of storage capacity, 20 MB of maximum attachment size...
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Top 3 alternatives
eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts, notes and chat.
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Gpg4win enables users to securely transport emails and files with the help of encryption and digital signatures. Encryption protects the contents against an unwanted party reading it. Digital signatures make sure that it was not modified and comes from a specific sender.
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Top 3 alternatives