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.
Tape It - App for songwriting & audio recording.
MyChat - Secure instant messenger for any network
Songcraft.io - A platform for songwriters to write, organize & collaborate.
BORGChat - BORGChat is a LAN messaging software program.
RiffShare - Write down a musical riff, send to band members, collaborate