What you probably want is here => Ufo-ai objects browser
It's still WIP know but we have some interesting things done and more exiting to do.
If you have a concern about game took content picture/textures/sound/anything, please let me know.
Please be aware that i'm not fluent in/i can't read most of the languages available throught translation system. Don't take offence of bad/inadequate traduction, simply discuss them on the official UFO Alien-Invasion forum. I don't edit "official" translation string.
Available languages are:
there is also a cheat pack.
You want to know about technology tree? of course you would...