Palringo is described as 'is the lightweight Instant Messaging client for desktop computers. Express yourself in chat with emoticons and smileys to show your friends how you’re feeling. Send voice messages at the click of a button so your friends can hear your voice' and is an app in the Social & Communications category. There are more than 25 alternatives to Palringo for a variety of platforms, including Android, Windows, Online / Web-based, iPhone and Mac. The best alternative is Jitsi, which is both free and Open Source. Other great apps like Palringo are Hangouts (Free), Facebook Messenger (Free), Trillian (Freemium) and LINE (Freemium).
Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!, GTalk/Hangouts extensions, as well as OTR, ZRTP, etc.
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.