Sim-IM
SIM-IM or SIM Instant Messenger is a free Instant Messenger for various protocols.
21 Alternatives To Sim-IM
AOL Reader
AOL Reader For iOS. Bring that same RSS reader experience you enjoy using everyday with you. Browse all your favorite websites, switch between different views, and search like you would on your desktop.
Adium
Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.
Cotap
Cotap is a simple, secure mobile messaging app for fast, easy workplace communication.
Digsby
Tagged makes it easy to meet and socialize with new people through games, shared interests, friend suggestions, browsing profiles, and much more.
Disa
Disa is your new messaging hub.
Facebook Messenger
Facebook Messenger is a faster way to message.
ICQ
ICQ is one of the oldest instant messengers.
Instantbird
Instantbird is an instant messaging client based on Mozilla XULRunner and the open source library…
Jitsi
Open-source video calling and chat platform.
Kopete
Kopete is an instant messenger supporting AIM, ICQ, MSN, Yahoo, Jabber, IRC, Gadu-Gadu, Novell…
LINE
LINE is a Japanese proprietary application for instant messaging on smartphones and PCs.
Miranda NG
Miranda NG is a successor of a popular multi-protocol instant messaging client for Windows - Miranda IM. Very light on system resources and extremely fast.
Nimbuzz
Get the latest, headlines, breaking, regional news fast.
Pidgin
Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.
SightCall
SightCall offers comprehensive real-time video APIs and Mobile SDKs that makes it simple to embed…
Trillian
Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.
WeChat
WeChat is a complete mobile communication and private social networking app.
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.
WhatsApp Web
A WhatsApp client for web
Yoono
Yoono is a compact program that permits you to unite your social platforms and visit projects and adds rich media to whatever you’re a survey on the net.
ooVoo
Free high quality video chat and video conferencing from ooVoo.