As you would expect IRCell is an IRC (Internet Relay Chat) client for the Android OS.
The chat service, Bubbles! allows the user to create a pop (point of presence) that is then broadcast from the mobile device. Other users of Bubbles! can send and share their pops when in close proximity.
The pops are entirely anonymous and can consist of a simple message or nickname, the pops float around with you [...]
Based on ‘geonetworking’, Spoxt is a service that allows you to take the best from forums, blogs and SMS/MMS. The creators of Spoxt aim to renew local communication, enabling people to discover and interact with their local environment by sharing events, news, pictures etc.
Android based Twitter client, Trak will allow you to Tweet your geo-location along with the ability to read and display the locations of your Twitter friends. The information will be displayed using street maps, satellite view or both.
XLive is a chat and messaging client for Android. Alongside supporting many of the most popular Instant Messaging services (ICQ, GTalk), XLive also allows the user to send/receive E-mail and access RSS feeds.
XLive has support for SSL,IMAP,POP3 and SMTP protocol.
The AndroidChat application is a location based chat client. The client is built from a modified inspircd IRC daemon used to support the location-aware services.