An encrypted messaging app focused on privacy, supporting texts, calls, photos, videos, files, and group chats, with no ads or trackers.
- Instant Messenger
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Flathub
- Ubuntu
- Debian
+4A secure collaboration app with end-to-end encryption and interoperability across web, desktop, and mobile. Includes chat, voice, and video calls.
- Instant Messenger
- Free Personal • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Matrix.org
- Flathub
- F-Droid
- Cloudron
+1Standard Notes is a simple and private notes app. It allows you to write and sync your notes across all your devices, iOS, Android, Linux, Windows, MacOS, and web browser.
- Note-taking Tool
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Chrome OS
- Android Tablet
- iPad
- Self-Hosted
- F-Droid
+4Secure and encrypt entire partitions or devices, including system drives, with automated, real-time protection and enhanced security measures.
- Disk Encryption Tool
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- PortableApps.com
- Homebrew
- Chocolatey
+8End-to-end encrypted alternative to Google Photos / iCloud Photos, that makes it easy to backup and share photos and videos.
- Photo Manager
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Flathub
- F-Droid
- Flatpak
CryptPad is a private-by-design alternative to popular office tools and cloud services. All the content stored on CryptPad is encrypted before being sent, which means nobody can access your data unless you give them the keys.
- Word Processor
- Freemium • Open Source
- Self-Hosted
- Software as a Service (SaaS)
+7Cryptee is a safety and privacy focused, encrypted and cross-platform personal data storage service. You can write personal documents, notes, journals, store photos (including raw photos from DSLR cameras) and all sorts of other files.
- Note-taking Tool
- Freemium • Open Source
- Online
- Software as a Service (SaaS)
+15Whether it's bookmarks or passwords, files or shopping lists...Turtl organizes it all and makes it easy to find later. Sync across your devices. Leave nothing behind.
Discontinued- Note-taking Tool
- Freemium • Open Source
- Mac
- Windows
- Linux
- Android
- Android Tablet
- Self-Hosted
- Google Chrome
- Firefox
+1Fully open-source encrypted notepad with rich text support. No login required.
- Note-taking Tool
- Free • Open Source
- Online
🔥 PlainApp is an open-source application that allows you to manage your phone through a web browser. Access files, videos, music, contacts, sms, calls, and more from your desktop using a secure, easy to use web interface!.
- Free • Open Source
- Online
- Android
- F-Droid
Hubzilla is a powerful platform for creating interconnected based websites featuring a decentralised identity, communications, and permissions framework built using common webserver technology. Hubzilla is very suitable for communities (of any size).
- Social Network
- Free • Open Source
- Online
- Self-Hosted
+15DroidFS is an alternative way to use encrypted overlay filesystems on Android that uses its own internal file explorer instead of mounting virtual volumes. It currently only works with gocryptfs but support for CryFS could be added in the future.
- Free • Open Source
- Android
- F-Droid
Dino is a modern open-source chat client for the desktop. It focuses on providing a clean and reliable Jabber/XMPP experience while having your privacy in mind. Using GTK+/Vala.
- Instant Messenger
- Free • Open Source
- Mac
- Linux
- BSD
- Flathub
Lufi means Let's Upload that FIle. It's a E2E encrypted file sharing software.
- Large File Transfer Service
- Free • Open Source
- Linux
- Self-Hosted