Secure communication for sensitive information.
The app protects voice calls, messages, chats, and files against eavesdropping. It offers secure contacts, voice/video calls, conferences, messages, and file transfers with device-to-device encryption.
Showing 1–20 of 1,000 ranked alternatives.
Mega Networks LLC
Upload files, search, store, and share securely
Store and manage files with end-to-end encryption. Upload, search, download, stream, view, share, rename, or delete files from any device. Share folders and track updates in real time. Access data through web browsers or dedicated apps.
QT Global Software Ltd
Send secure messages and calls
Secure messaging and voice/video calls with end-to-end encryption. Support group chats and calls. Messages disappear after set times. Share files, photos, and videos securely. Customize alerts and themes for each conversation.
Kaymera Technologies LTD
Send encrypted messages and calls
Secure communication enables encrypted voice calls and text messaging with end-to-end encryption. Users can send self-destructing messages and share files securely. Voice calls offer clear audio quality.
VIPole International LP
Send encrypted messages and calls
Secure instant messaging with end-to-end encryption. Messages are encrypted on the device and decrypted only on the recipient's device. Group chats allow unlimited participants with invitation capabilities.
Mattermost, Inc.
Connect to Server and collaborate securely
Securely share messages, files, and links across teams. Create and manage channels for communication. Integrate with workflows and automate tasks. Support audio and screen sharing for collaboration. Manage projects and track progress.
Hong Kong CipherChat Tech Company Limited
Share messages and files securely
Secure messaging with end-to-end encryption for private conversations. Share files and collaborate securely. Choose between private server deployment or on-premise hosting for enhanced control.
WorldRemit Ltd
Send globally and track transfers
Send internationally through bank transfers, mobile wallets, or cash pickups. Track transactions, view exchange rates, and manage multiple recipients. Receive notifications and confirm transfers instantly.
Wickr, LLC
Securely send messages and files
Securely send and receive messages in one-to-one or group chats. Share files, screen, and audio calls. Use bots to automate workflows. Encrypt all communications end-to-end. Set message retention policies and access controls.
Proton AG
Internet access with encryption
Internet access with encryption and no-logs policy. Unblock popular websites and streaming platforms. Connect to servers worldwide. Manage connections and set security preferences. Protect online privacy and data transmission.
Telegram FZ-LLC
Chat securely and sync across devices
Send messages instantly with end-to-end encryption. Share files, images, and videos. Create and join groups and channels. Access conversations across devices without requiring a constant phone connection.
F-Tell Communications FZ-LLC
Share files, send messages, stay secure
Enable anonymous communication without requiring phone numbers. Share files and messages with end-to-end encryption. Store all data locally on the device. Initiate chats and ensure no personal data is collected or shared.
AppClose Inc
Share updates, schedule visits, track time
Manage co-parenting schedules, share updates, and track court-ordered communication. Set reminders, exchange documents, and receive notifications. Sync with calendars and view shared to-do lists.
Silent Circle, LLC
Enterprise-grade encrypted voice video messaging
The app offers encrypted voice, video, and messaging for businesses. It provides end-to-end security to protect intellectual property and allows teams to communicate with confidence across distances.
Nikos Grammatikopoulos
Store with AES-256 encryption
Store and sensitive data securely using AES-256 encryption. Access entries quickly with a master password. Backup and restore data locally. No internet connection required for core functionality.
Kakao Corp.
Chat with friends and share content
Send messages, make voice and video calls, and share photos, videos, and files. Create group chats and organize conversations with folders. Access AI features for smart replies and message editing.
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