Softros LAN messenger - LAN messenger for an internal office chat for home or business users. It does not require a server and is very easy to install and use. It supports personal chats, group chats, message brodcasting, files transfer and remote desktop access.
APK Pure - Download apk for Android with APKPure APK downloader. NoAds, Faster apk downloads and apk file update speed. Best of all, it's free
MyChat - Secure instant messenger for any network
APKMirror - Android Market and APK Downloads
BORGChat - BORGChat is a LAN messaging software program.
Mobango - Mobango is an alternative Android market.