hexer were previously working on an attempt to bring Black Isle Studio's Van Buren project to the FOnline engine as a total conversion mod. However the project run into some problems and work was halted. Now he's back with the same project on the Fallout 2 engine. It goes under the name Fallout: Yesterday and you can check it out here. There's some really neat information in the thread. You can support the project by becoming a patreon. If you do you'll get some juicy updates as a treat.