Hubot Sans is an open-sourced released by Github that features a robotic character. As one of the two open-source fonts released by Github, Hubot Sans acted as a sidekick to the Mona Sans, its characters design spotted a more geometric accents which gives a more tech-like feeling and is more suitable for headers and displays.
Like Mona Sans, Hubot Sans is also a variable fonts. You can freely customise it to suit your typography need, but in essence it comes with 3 widths and each comes with 8 weights. You can download and use it for free for both personal and commercial projects.