This site :D.
Used to manage all my smart devices and more.
A play to watch my media library.
Ombi
Manages my 3D printer remotely.
A live view of multiple Minecraft worlds rendered in 3D in the web browser.
Replacement for Gmail.
Used to manage game servers.
A Google Drive replacement.
A quick tool I wrote that allows a user to upload a .dck file generated by the XMage application and will show you its current price so your friends don't make a deck that costs thousands of dollars and destroy you with it.
A self hosted replacement for Github.