Hieroglyphic by @FineFindus joined GNOME Circle! 
The app lets you find LaTeX symbols by sketching.
Hieroglyphic – Apps for GNOME
Find LaTeX symbols – If you work with LaTeX, you know it's difficult to memorize the names of all the symbols. Hieroglyphic allows you to search through over 1000 different LaTeX symbols by sketching.apps.gnome.org