Showing 1–20 of 1,000 ranked alternatives.
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.
Signal Messenger, LLC
Send messages and files securely
Send texts, voice messages, photos, videos, GIFs, and files for free. Make encrypted voice and video calls with group support up to 50 people. Create group chats with up to 1,000 members. Share files and media securely.
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.
WhatsApp Inc.
Send messages and make calls
Send text messages, make voice and video calls. Share files, images, and location. Communicate privately with end-to-end encryption. Available on mobile, tablet, and desktop. No subscription fees.
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.
LIGHTNINGLINK NETWORKS PTE. LTD.
Securely connect and browse privately
Connect to 26 free regions including 13 US cities for localized content. Access global content without registration or personal details. No speed or data limits. Available on all major operating systems.
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.
SURFSHARK LTD
Encrypt data and block ads online
Encrypt internet traffic to hide online activity. Block ads and trackers. Generate temporary email addresses. Detect data leaks. Secure connections on multiple devices. Protect personal information while browsing.
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.
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.
BlackBerry Limited
Send secure messages and files
Send and receive messages across devices. Create and join groups for team collaboration. Share files and links securely. Set permissions for data access. Encrypt messages end-to-end. Manage contacts and chat history.
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.
Windscribe Limited
Your connection and access the web privately
Connect to servers to protect online activity. Encrypt internet traffic with post-quantum security. Access geo-restricted content. Manage connections and server locations. View usage statistics and adjust settings.
Ubiquiti Inc.
Unlock doors with a tap
Manage access with smart door unlocking and one-click WiFi and VPN connections. View live camera feeds for real-time collaboration. Charge electric vehicles and control security features remotely.
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.
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