ScreenCloud

Public Screenshot Host

You can either download the ShareX config file or configure it manually.
Download ScreenCloud.sxcu

Manual configuration for ShareX client:

1. From the ShareX main application go to Destinations > Destination Settings
2. Scroll down to "custom uploaders" add a new profile
3. Request type POST, the url is "https://api.screencloud.de/sharex.php"
4. File form name: "d"

Thats it! Just try it out now :)

You can get ShareX here.