Communication
Like this appSecure Swiss-based email with end-to-end encryption and zero third-party access. Available across devices, offering a free version to promote privacy.
- WebMail Provider
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- iPad
- Tor
Like this appPidgin is a chat program which lets you log into accounts on multiple chat networks simultaneously. This means that you can be chatting with friends on XMPP and sitting in an IRC channel at the same time.
- Instant Messenger
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- Flathub
- PortableApps.com
Like this appFlowCrypt (formerly CryptUp) is the easiest PGP encryption for Gmail. It behaves just like standard email, except it's encrypted.
- Freemium • Open Source
- Android
- iPhone
- Google Chrome
- Brave
- Firefox
- OpenPGP
Like this appAn open-source decentralized and encrypted messaging app even without internet connection via Wi-Fi and Bluetooth. Messages are stored securely on your device, not in the cloud. Connect directly with nearby contacts - no Internet access is required.
- Instant Messenger
- Free • Open Source
- Linux
- Android
- Flathub
- F-Droid
- Windows
- Mac
Like this appDisroot is a platform providing online services based on principles of freedom, privacy, federation and decentralization.
- WebMail Provider
- Free • Open Source
- Online
- F-Droid
Like this appJami (formerly GNU Ring, SFLphone) positions itself as a potential free Skype replacement
- Video Calling App
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
Like this appMailvelope is a browser extension that allows to exchange encrypted emails following the OpenPGP encryption standard.
- Free Personal • Open Source
- Mac
- Windows
- Linux
- Chrome OS
- Microsoft Edge
- Google Chrome
- Mozilla Firefox
Like this appThunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.
- Email Client
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- BSD
- AppImageHub
- Snapcraft
- Flathub
- PortableApps.com
- Haiku
- Homebrew
- Chocolatey
- F-Droid
Like this appChat "off-the-grid" with people around you – even if there is no Internet connection or mobile phone coverage.
- Encrypted Chat App
- Free • Proprietary
- Android
- iPhone
- Android Tablet
- iPad
Like this appCreate unlimited disposable email adresses on the go and forward them to your main email adress, with this free and open-source solution.
- Disposable Email Service
- Free • Open Source
- Online
- Self-Hosted
Like this appForget about spam, advertising mailings, hacking and attacking robots. Keep your real mailbox clean and secure. TempMail provides temporary, secure, anonymous, free, disposable email address.
- Disposable Email Service
- Free • Proprietary
- Online
- Android
- iPhone
Like this appTemporary disposable e-mail service to beat spam. Avoid spam with a free secure e-mail address.
- Disposable Email Service
- Free • Proprietary
- Online
Like this appMailDrop is a free throwaway e-mail address. It's temporary. It's transient. It's disposable. It's meant for those times when you don't want to give out your real address. Just give someone any e-mail address in the maildrop.
- Disposable Email Service
- Free • Open Source
- Online
Like this appCreate a free disposable email address! Its really easy to use: Create a new email address on trashmail.net. All mails to this address will be forwarded to your real email address for a number of times you can set up on the following form. When the limit is reached, the Trashmail.
- Disposable Email Service
- Freemium • Proprietary
- Online
- Firefox
Like this appJitsi Desktop (previously SIP Communicator) is a legacy audio/video and chat communicator with full encryption, precedessor of Jitsi Meet .
- Video Calling App
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- BSD
- Self-Hosted
Like this appGo ahead, video chat with the whole team. In fact, invite everyone you know. Jitsi Meet is a fully encrypted, 100% open source video conferencing solution that you can use all day, every day, for free.
- Video Calling App
- Free • Open Source
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Apple Watch
- F-Droid
Like this appEnd-to-end encrypted app for email, calendar, and contacts, requiring no personal data, with open source code and quantum-resistant security.
- WebMail Provider
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- iPad
- Self-Hosted
- Flathub
- F-Droid
Like this appIt's time to get stuff done with the Yahoo Mail app. Get organized with the help of the Mail app.
- WebMail Provider
- Freemium • Proprietary
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Kindle Fire
Like this appTelegram is a messaging app with a focus on speed and security. It’s superfast, simple, and free. It is like SMS, but more powerful.
- Instant Messenger
- Freemium • Proprietary
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- HUAWEI AppGallery
- Windows Phone
- iPad
- Apple Watch
- Linux Mobile
- Android Wear
- PortableApps.com
- FreeBSD
Like this appOffers group video calls, voice calls, and instant messaging with photo sharing, real-time notifications, and location mapping for seamless connectivity.
- Instant Messenger
- Free • Proprietary
- Windows
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Android Wear
