Stats - Simple macOS system monitor in your menu bar.
Barsoom - Rearrange your menu bar items in any order you want, and keep your menu bar order between restarts.
iStat Menus - "An advanced Mac system monitor for your menubar."
MenuBar Stats - Advanced Mac system monitor right from the menu bar
taskbar-stats - Display live system stats on Windows’s taskbar
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab