Where has the website gone?
-Tuxman
It was behind a .tk domain. If I remember correctly, that country took back control of their .tk extension from the registrar that used to manage it. Not only cranked up prices, but a need for residency as well.
Domain provider 'FreeNom' used to hand out domains with .tk extension for free. They don't do that anymore, as there was much abuse/spam/malware being spread from domains that were managed by the FreeNom registrar. The internet can't have nice things, apparently.
And, to be more on point regarding text editors:
There is
Zed. AI helper included. And a lot of other features that may prove to be very useful for projects that involve more than one developer. Available for free on Linux and MacOS. They seem to be working on a Windows version as well, They do provide the source and instructions to build it yourself on Windows. The creators from the text editor 'Atom' are behind this project.