FileWhopper - Share large files or folders of ANY SIZE online easily and securely. Your files are encrypted & password-protected. Download while still uploading. No monthly subscription or storage to buy, just a one-time fee based on file size.

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

NordLocker - Keeping files in the cloud? Protect them with leading-edge encryption. NordLocker makes file security easy.

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.

Send.cm - Send files, one time download links, unlimited download, unlimited upload, ads free.

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