Need help with finding some gmod TTT server plugins

So I play on these TTT servers and I recently created my own server. What addons do they use to change the loading screen, gui, and pointshop? By gui, i mean the look of the health bar, remaing time, T/D shop etc.

If you are talking about HUD skins, there are a ton here:
Otherwise, Rejax made a good HUD wrapper here: GitHub - rejax/RHUD: Universal HUD wrapper for Garry's Mod

Loading screen: