Send encrypted messages and files
Secure communication with end-to-end encryption and post-quantum protection for voice, video, messaging, and file transfers. Send large files securely. Supports secure instant messaging for classified government communications.
Showing 121–140 of 1,000 ranked alternatives.
Etisalcom Bahrain Company W.L.L.
Make and receive VoIP calls
Make and receive VoIP calls and SMS. Share audio and video calls between users. Operate in the background without needing to run the dialer. Connect via WiFi, 3G, EDGE, LTE, or 5G. Access integrated phone contacts.
Olvid
Connect with contacts you choose
Send messages securely without sharing personal data. Choose contacts manually. Invite users in-person or remotely. No address book access. No unsolicited contact. Encrypt communications end-to-end. Manage conversations privately.
SmartWeb (HK) Limited
Connect securely with one tap
Securely connect to encrypted servers with one-tap activation. Access and stable nodes for reliable performance. Protect data with strong encryption protocols. Navigate an intuitive interface for easy management of connections and privacy settings.
SR2 Solutions, LLC
Send encrypted files and messages
Encrypt and share documents, photos, and messages securely. Use end-to-end AES 256-bit for files. Generate unique URLs with private keys. Share via QR code, copy, or paste. Send files to anyone on the internet.
Teamwire GmbH
Secure communication for every message.
The app provides secure communication for organizations needing fast, GDPR-compliant messaging. It offers encryption, data sovereignty, and administrative controls for mission-critical collaboration.
Georg Sieber
Sync data securely
Manage data with secure tools. Add, edit, and organize information. Sync with self-hosted MySQL server across multiple devices. Group customers, track birthdays, and manage vouchers. Send newsletters and import data. Comply with EU-GDPR regulations.
KINGSOFT Japan Inc.
Improve communication and work efficiency.
The app provides enterprise instant messaging with features like audio and video calls, multimedia messages, and work management tools. It aims to enhance communication and operational efficiency for businesses.
ONLYAPPS DOO
Secure your connection in one touch
Secure internet browsing with end-to-end encryption and IP address masking. Connect to global servers with one tap. Block ads and track malicious websites. Manage connections and settings within the .
MobileSphere, Ltd
Secure messages and calls with encryption
Encrypts messages and calls using end-to-end encryption. Masks IP addresses with a custom-built no-logs VPN. Blocks tracking and data collection. Supports secure communication on WhatsApp, Signal, Telegram, and iMessage.
Zultys, Inc
Manage calls and messages on the go
Manage business communications remotely with call handling, voicemail, and contact management. Access unified messaging, calendar integration, and real-time collaboration tools. Sync with Zultys systems for consistent functionality across devices.
BlackBerry Limited
Secure calls and messages end-to-end
Securely make and receive encrypted voice calls and instant messages. Send encrypted messages to individuals or groups. Share documents and images within the organization. Ensure end-to-end encryption for calls and messages.
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