Messenger for WhatsApp is described as '™ (WA Messenger) is a wrapper for WhatsApp Web. It loads WhatsApp Web in toolbar popup UI and has badge icon text notification for all new conversations (even if toolbar popup is closed)' and is an app in the Social & Communications category. There are more than 100 alternatives to Messenger for WhatsApp for a variety of platforms, including Android, iPhone, Windows, iPad and Android Tablet. The best alternative is Telegram, which is free. Other great apps like Messenger for WhatsApp are Signal (Free, Open Source), Element (Freemium, Open Source), Skype (Freemium) and Matrix.org (Free, Open Source).
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.
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.
ChatSecure is a free and open source messaging app that features OTR encryption over XMPP. You can connect to your existing accounts on Facebook or Google, create new accounts on public XMPP servers(including via Tor), or even connect to your own server for extra security.
An alternative Telegram client based on TDLib, with higher speed, slicker animations and experimental features. The goal of Telegram X is to reinvent Telegram and explore new frontiers in speed, ease of use, quality of animations and all other aspects.
Cross-platform - Get closer to everyone you love with simple, high-quality video calling on iOS and Android. Make one-to-one calls - See who’s already available to connect on Duo or invite a friend to join.
Snapchat is the fastest way to share a moment with friends. You control how long your friends can view your message – simply set the timer up to ten seconds and send. They’ll have that long to view your message and then it disappears forever.
ICQ is one of the oldest instant messengers. First developed by the Israeli company Mirabilis, sold to AOL, sold again and currenly owned by the Russian "mail.ru" group (known for one of the largest social networks).