Milanote - Milanote is a note taking app for creative work.

LAN Messenger - LAN Messenger is a decentralized UDP IM-style chat client which supports usernames...

Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.

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.

Paper by WeTransfer - A collection of creative prompts

Bopup IM Suite - Organize secure messaging system and communicate instantly via self-hosted IM server.