Send messages and calls securely
Secure messaging and voice calls with end-to-end encryption. Send and receive messages, make voice and video calls. No data storage or third-party access. Messages and calls are encrypted and only accessible to sender and recipient.
Showing 241–260 of 1,000 ranked alternatives.
Cypher Tech Inc.
Send encrypted messages and calls
Send and receive messages with end-to-end encryption. Create and join groups. Set custom privacy settings. Anonymize conversations with temporary usernames. Share files securely. Block and report users. Manage notification preferences.
Securax
Connect to PBX and make calls
Make voice and video calls using SIP protocol. Connect to PBX or provider. Support Bluetooth pairing. Background operation with low battery usage. Receive and answer calls reliably. Adjust call settings for optimal quality.
AG Projects
Make and receive video calls
Allows users to make video calls and audio calls using SIP protocols. It supports screen sharing via VNC, multiparty conferencing with audio and chat. Features include instant messaging, file transfers, and presence status.
Weave Communications, Inc
Manage patients and appointments
Manage patient schedules and appointment types remotely. View daily bookings and their details. Send texts and make calls using an office number to protect personal contact information. Adjust phone hours and handle emergency forwarding.
Second Phone Number Inc
Receive calls and texts securely
Manage calls and texts with a dedicated . Receive and make calls over Wi-Fi. Send and receive SMS/MMS messages. Set up separate profiles for different purposes. Block numbers and manage call logs.
AtomicMail Systems OU
Secure with advanced encryption
Secure with end-to-end encryption and zero-access architecture. Manage inbox with filtering, sorting, and search. Send and receive encrypted messages. Set up spam filters and block unwanted senders. Access all core features for free.
nandbox Inc
Create profiles, send messages, join channels
Create multiple profiles from one account to manage different contact groups. Send messages to unlimited members in public or private channels. Receive feedback and interact in group chats of up to 10000 members.
Swisscows AG
Connect with friends using -ID
Secure messaging with end-to-end encryption. Send and receive messages, images, and files. Share QR codes to connect with contacts. Manage -ID for identity verification. No phone number linking or data collection.
CipherForge LLC
Send encrypted messages and calls
Send and receive encrypted messages with end-to-end security. Delete messages permanently or set automatic deletion. Create group chats and manage participants. Share files securely and view message timestamps.
Hiya Inc
Block calls and manage contacts intelligently
Automatically block spam and unwanted calls. Detect scams using AI. Transcribe and summarize content. Manage logs and set blocking preferences. Share summaries with contacts.
EASECLICKMOBI HK LIMITED
Secure connections for private browsing and video
Securely browse the internet with end-to-end encryption. Access restricted content and bypass regional restrictions. Enable private browsing on public Wi-Fi. Support video calls and streaming without throttling.
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.
CounterPath Corporation
Make and receive business calls remotely
Make and receive calls using VoIP. Manage contacts and call history. Access advanced call controls and settings. Integrate with company-provisioned accounts. Sync with the Stretto Platform for features.
HOUGYOKU CO., LTD.
Send encrypted messages and calls
Communicate via encrypted text, voice, and image messages. Create and manage groups with advanced settings. Restrict screenshots and business card sharing. Protect group privacy and message security.
Dialup, Inc.
Connect with others through voice calls
Schedule automated voice calls to connect with others globally. Participate in one-on-one conversations about shared interests. Receive calls at set times and engage in real-time audio chats.
Catapush srl
Send messages and track delivery status
Send and receive personalized messages through push notifications. View delivery status and confirm receipt in real-time. Login with a phone number to access the service. Track message delivery and manage targeted communications.
Mutiny Wallet Inc.
Encrypt messages, , and store securely
Secure messaging with end-to-end encryption. Use AI to generate responses and manage conversations. Access advanced models like DeepSeek R1 and GPT-OSS. messages across devices. Encrypt messages with keys.
PortSIP Solutions, Inc.
Make and receive calls and messages
Allows users to make and receive calls over Wi-Fi or 4G/LTE. Send and receive instant messages. Manage contact lists and call history. Switch between voice and text communication.
One Step LLC
Send texts to multiple contacts privately
Send messages to multiple contacts individually through Messages, Google Voice, or WhatsApp. Personalize messages with tokens like first names. Automate group messages using Shortcuts. Choose recipient settings and manage message delivery.
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