Unblue no longer hosts a freeware software cache.
Certain technical items can be found on the PegaTSA repository (ftp://pegatsa.co.uk or https://pegatsa.co.uk/pubftp).
Support
To support the myriad of people who expect technical help from time to time, Unblue operates a Meshcentral management mesh. To join this mesh, you need to download the client and the mesh key. Place them in the same folder and run the .exe installer to join the mesh.
Note that this gives me remote administrative access to your machine! If you wish to disable such access, you should stop and disable the “Mesh Agent” Windows service, enabling it only when you need help.