Send encrypted messages and calls
Secure messaging, voice, and video communications with quantum-resistant encryption. Hosted in a U.S. data center. Supports conferencing, end-to-end encryption, and secure file sharing. Allows users to manage contacts and set access permissions.
Showing 1–20 of 1,000 ranked alternatives.
Callpod Inc.
Store passwords securely and autofill them anywhere
Create strong passwords using a secure generator. Store passkeys and 2FA codes. Autofill passwords across devices. Sync data between all devices. Protect personal and sensitive information with encryption.
Cellcrypt Inc.
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.
Proton AG
Securely send and manage emails
Create a @.me or @protonmail.com address. Send and receive emails with end-to-end security. Manage inbox with filters, labels, and search. Attach files and set reminders. Protect communications with Swiss-based encryption.
Code Siren, LLC
Secure data exchange with PQC encryption
Secure data collaboration with end-to-end encryption using AES-256 and post-quantum cryptography. Share files and messages with encrypted channels. Create secure meeting rooms for remote teams. Manage access controls and audit logs.
Infinite Convergence Solutions, Inc.
Send encrypted messages and calls
Send and receive encrypted messages, voice, and video calls. Schedule and send messages. Manage contacts and groups. Set up compliance rules and data retention policies. Integrate with enterprise systems for centralized management.
Rocket.Chat Technologies Corp.
Securely communicate and collaborate in real-time
Secure communication platform enables messaging, voice, and video calls. Integrates AI tools and mission-critical apps. Supports compliance and security protocols. Facilitates team collaboration and operational efficiency.
Verifyle, Inc.
Share files and send messages securely
Secure file sharing and messaging with end-to-end encryption. Send and store files using unique encryption keys for each item. Access content with a password. Share files and messages privately without additional steps.
Cisco
Collaboration application for iPhone and iPad.
The app provides presence, instant messaging, voice, voice messaging, and video calling. It allows users to escalate calls into multi-party conferencing with Cisco WebEx Meetings.
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.
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.
RingCentral, Inc
Manage calls, messages, and meetings with AI
Manage business communications with integrated calling, messaging, and meeting features. Transcribe conversations and generate notes using AI. Share files in team chats and receive typo corrections.
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.
Versatile Apps
Browse securely, access deeply, stay private
Browse the deep and dark web securely with end-to-end encryption and a no-logs policy. Access hidden websites through a distributed relay network. Customize privacy settings and manage browsing history.
Fuze, Inc.
Connect with voice calls and messages
Stay connected with coworkers, customers, and partners through voice calls, video meetings, and chat messaging. Make calls over Wi-Fi, data, or carrier with video and screen sharing. Dial using 4-digit extensions and join ad hoc conference calls.
BUCKET LIST LABS S.L.
Secure your data with professional encryption
Secure browsing with encrypted traffic and IP/DNS masking. Block trackers and ads. Manage passwords and payment info securely. Set up alerts for suspicious activity. Control permissions and data sharing.
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.
Verizon Wireless
Call, message, and collaborate securely
Manage calls, messages, and contacts with business features like call forwarding, voicemail, and group messaging. Schedule meetings, access call logs, and integrate with email. Control user permissions and monitor usage through a web portal.
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