VoiceChat
A free, open-source, out-of-the-box audio conferencing app exposed via an API.
21 Alternatives To VoiceChat
Bandwidth
Bandwidth offers SIP trunking, Emergency communications, and Voice & Messaging APIs.
Bitmessage
Bitmessage Wiki
CrazyCall
CrazyCall is cloud based platform for sales and marketing teams doing cold calling, market research, information or loyalty campaigns.
Echoplexus
Echoplexus is an anonymous, web-based, IRC-like chatting platform that makes its best effort to…
Linkello
Video calls simplified, no installation required.
Nexmo
Nexmo is a simple two way SMS API with global reach and wholesale rates
OpenTok
Build a custom video experience using our robust APIs, or add plug-and-play video to your website in minutes using Video Chat Embeds. Start Building for FreeTalk to SalesTalk to Sales .
RetroShare
RetroShare is a open source cross-platform, private and secure decentralized communication system.
Signal
Fast, simple & secure messaging. Privacy that fits in your pocket.
Talkdesk
Talkdesk is an easy-to-use, cloud-based call center software solution that helps improve customer interactions while reducing costs.
Telegram
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Tinychat
Chat with multiple people at one time using this group app.
Toky
Toky allows you to improve your business’ customer service experience through advanced telephony solutions.
Torchat
TorChat is a peer to peer instant messenger with a completely decentralized design, built on top of…
Tox
Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
WhatsApp
WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
Wire
Private & Secure Messenger
jTorchat
jTorchat stands for Java Torchat, and is a complete rewrite of the popular p2p IM messenger Torchat