Skype is the most popular free voice-over IP and instant messaging service globally. It allows users to text, video and voice call over the internet. Users can also call landlines and mobiles at competitive rates using Skype credit, premium accounts and subscriptions.
- - Skype is the most popular Web-based, Windows, Android & Mac alternative to Indoona.
- - Skype is the most popular free alternative to Indoona.
WhatsApp is an iPhone and Android messaging app which allows you to exchange messages without having to pay for SMS.
Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.
- - Wire is the most popular SaaS & Self-Hosted alternative to Indoona.
- - Wire is the most popular Open Source alternative to Indoona.
With Viber, everyone in the world can connect. Freely. More than 460 million Viber users text, make HD-quality phone and video calls, and send photo and video messages worldwide over WiFi or 3G - for free.
Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as text messages on your phone.
WeChat is a complete mobile communication and private social networking app. Free, cross-platform, and full-featured, WeChat is the best way to keep in touch with everyone you care about.
FaceTime is a video calling software feature developed by Apple for the iOS and Mac OS.
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.
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.
Paltalk is an instant messaging service that enables users to communicate via internet chat, voice and video chat. It offers chat rooms and the ability for users to create their own public virtual chat room.
Tango allows you to easily connect with friends & family or make new friends. Make video & voice calls, send text messages, play games, send music messages powered by Spotify and more all for free.
SliQ brings voice, video calling and entertainment that works even over networks where other apps fail. With SliQ, experience video calls that scale from very high quality on WiFi or 4G/3G to an uninterrupted smooth video calling experience on 2G/3G networks in emerging markets.