Below is a bunch of useful stuff I've found online, including helpful resources, tools, and quality video content.
PowerToys is a really useful program for Windows that adds a bunch of small tools that you can access with simple keybinds, including: a color picker, a screen text extractor, a clone of MacOS's spotlight search, and a quick image resizer.
The BEST ad and content blocker. If you are not using this uninstall your old ad blocker and install this one. It's also open source so you can trust it to not harvest your data.
Super useful video recording and live streaming software. Everyone probably knows this one but maybe one or two people will find this helpful.
A useful peer-to-peer video tool, can connect to OBS to use your phone as a webcam.
Free CC0 Public Domain materials and models
Free CC0 Public Domain materials and models, similar to ambientCG.
Super useful tool for creating VFX textures quickly in a browser.
This guy makes some of the best Unreal tutorials for material and VFX stuff, especially for newbies. His videos aren't just follow alongs, he actually teaches you the logic behind what is happening (which is somehow rare).