OverWolf Is Same as "Xbox Game Bar" but it's WAYYYYYYY smoother! It's perfect for low-end-pc so "Xbox" works fine on high-end pcs and "OverWolf" works good on low-end pcs, don't ask me about mid-end pcs lol..
Xbox Game Bar - A customizable gaming overlay built into Windows 10 👾
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
MWSnap - MWSnap is basically a free to use Windows snapping tools that are used for snapping any part of the screen that is currently displaying on the front of all opened programs and windows.
Nvidia ShadowPlay - ShadowPlay
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Steam Backlog - Steam Backlog is a library manager and games database, built with simplicity in mind. Search your Steam games by tags and features, sort by playtime, metascore, HLB and more.