libkara

Libkara is an exceptional Java library which is absolutely free and also open source. With this software, users can conveniently access support for multi-protocol instant messenger. Libkara allows for flexibility as various IM protocols can be easily added via plugins. Additionally, security is optimized with the use of libjotr, which supports encryption.

Currently, the library supports XMPP protocol, which simplifies communication and messaging for users. As for security, libjotr's Off-The-Record Messaging feature is used to provide an extra layer of encryption to ensure enhanced confidentiality of message sharing.

Overall, libkara is an incredible software used for java development, which is reliable and user-friendly. This easy-to-use library is excellent for professional software developers and beginners alike. Thanks to its diverse features and compatibility with various instant messengers, users are sure to be satisfied with its functionality.