NeoDownloader - As you know, there is a lot of websites with a lot of pictures, music and movies.
LAN Messenger - LAN Messenger is a decentralized UDP IM-style chat client which supports usernames...
Vov Picture Downloader - Download pictures from websites.
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.
Persepolis Download Manager - Persepolis Download Manager is a GUI for aria2.
Bopup IM Suite - Organize secure messaging system and communicate instantly via self-hosted IM server.