Apps with 'Client side encryption' feature

An encrypted messaging app focused on privacy, supporting texts, calls, photos, videos, files, and group chats, with no ads or trackers.

An end-to-end encrypted note-taking by Proton. Offline access, unlimited sync across devices, tagging, passcode and biometric security, plus advanced premium privacy features.

Cryptomator provides transparent, client-side encryption for your cloud. Protect your documents from unauthorized access. Cryptomator is free and open source software, so you can rest assured there are no backdoors.

With the rise of widespread government monitoring programs, Tox is an easy to use application that allows you to connect with friends and loved ones without anyone else listening in.

Whether 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.

PrivateBin is a minimalist, open source online pastebin where the server has zero knowledge of pasted data.

Mimiri Notes provides a safe place to store your notes, passwords, and confidential data with strong encryption and real-time synchronization across all your devices.

Cloud storage with end-to-end encryption, secure file sharing, cross-platform sync, granular access controls, automatic backup, and zero-knowledge privacy.

DroidFS 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.

Your portable scanner. Use your camera to get high quality scans of paper documents, receipts, notes and more. Anytime, anywhere.

SparkleShare is a Free Open Source syncing tool. Its light, secure and easy to use. SparkleShare allows you to setup your own servers so you always keep control on your data.

Amplenote allows you to take notes and link those notes to functional task and contacts lists for seamless project management. It supports integration with Google and Outlook calendars to schedule tasks and allows e-mail integration as well.

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.

PrivateNotes (formerly Exocortex) is an encrypted note-taking app designed for networked thought. It allows you to link ideas together, creating a web of interconnected notes that mimic how your mind works.

Genius Scan is a scanner in your pocket. Quickly scan your documents on the go and export them as JPEG or multi-page PDF files.

Secure, end-to-end encrypted, and privacy respecting sync for your contacts, calendars and tasks. Everything is encrypted on the client-side and all the code (client and server) is open source.

RxDB (short for Reactive Database) is a NoSQL-database for JavaScript Applications like Websites, hybrid Apps, Electron-Apps and NodeJs. Reactive means that you can not only query the current state, but subscribe to all state-changes like the result of a query or even a single...

Automatically sync calendars and contacts between Thunderbird, Outlook and Android devices, without using the cloud or servers.

Store your data safely in hiveDrive. It federates unused computing resources to form a sustainable, distributed cloud. Say goodbye to energy-hungry data centers.

DRACOON is a highly secure enterprise filesharing platform, which combines a broad array of application fields ranging from data exchange workflow-integrations, over secure mailing services and the complete modernization of file services.

Secure and private open source peer-to-peer Instant Messenger.

A fork of Signal for Android with proprietary Google binary blobs removed. Uses OpenStreetMap for maps and a websocket server connection, instead of Google Maps and Firebase Cloud Messaging.

Up1.ca is the simplest file hosting application you'll find on the internet. You just have to drag-in the file you want to share and the application will handle it. You can share any file you want with your friends in a more secured way as the file is encrypted on the client...

Easily create encrypted messages that can be shared privately or publicly. AnonPaste uses the latest and most robust encryption techniques available.

Encrypts and protects your files on your machine, before they hit your disk and the cloud: Collaborate with others, end to end encrypted.