Telegram is a messaging app created by former VK creators with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful.
- - Telegram is the most popular Web-based, Windows, Android & Mac alternative to HeyTell.
- - Telegram is the most popular free alternative to HeyTell.
WhatsApp is an iPhone and Android messaging app which allows you to exchange messages without having to pay for SMS.
Zulip is the only modern team chat app that is designed for both live and asynchronous conversations. Zulip topics create a separate space for each discussion, so different conversations will never get in each other's way.
- - Zulip is the most popular Self-Hosted alternative to HeyTell.
- - Zulip is the most popular Open Source alternative to HeyTell.
An alternative Telegram client based on TDLib, with higher speed, slicker animations and experimental features.
Telegram X Features
LINE is a Japanese proprietary application for instant messaging on smartphones and PCs. Line users exchange text messages, graphics, video and audio media, make free VoIP calls, and hold free audio or video conferences.
Fully open source instant messaging server and clients. No proprietary components or non-free dependencies. Backend in pure Go (GPL 3.0), with a command-line administration tool in python + gRPC. Clients for Android, iPhone, and Web - ReactJS (all licensed under Apache 2.0).
- - Tinode is the most popular SaaS alternative to HeyTell.
Phoner provides business owner, sales people, lawyers, doctors, police officers and others with a second phone number to protect their identity and also gives the convenience of multiple phone numbers on one device.
An encrypted instant messaging with video call and GPS features for android.
The application is a push-to-talk (PTT) walkie-talkie for consumers and business and available for Android, iOS, Blackberry, Windows Phone, Windows PC, rugged mobile devices and two-way radios.
Zello Walkie Talkie Features
Pinngle is a secure messenger app with free messaging, voice calls, video chat, & public channels. Our focus is on quality & worldwide accessibility.
Sesame is a messaging app that gives you a self-aware digital assistant to protect messages on your behalf: your own Personal Cognitive Messenger™.
Turn your phone into a Walkie Talkie.
Don't waste time on phone calls and voicemails.
Voxer is a Walkie Talkie app for smartphones. Send instant Audio, Text, Photo and Location messages to one friend or a group of your friends. Your friends can listen to your message while.