https://github.com/jepsonr/Text-Exercises
https://github.com/Khan/KaTeX
https://github.com/goldsborough/latexpp
https://github.com/os-sc/c-text-game-engine
https://github.com/TeXworks
https://github.com/vectorgraphics
https://github.com/TeXworks/texworks
https://github.com/vectorgraphics/asymptote
https://github.com/coding2233/TextInlineSprite
https://github.com/vadirn/kbtu-tex
https://github.com/mxgmn/SynTex
http://www.latex-project.org/latex3/code/
https://www.latex-project.org//svnroot/experimental/trunk/
https://listserv.uni-heidelberg.de/cgi-bin/wa?INDEX=&p=3
https://sourceforge.net/projects/automataeditor/
https://sourceforge.net/projects/xetex/
https://ctan.org/tex-archive/graphics
https://github.com/glasseyes/teckit
https://github.com/gooselinux/teckit
https://github.com/Distrotech/teckit
https://github.com/glasseyes/teckit
https://github.com/somadeva/RomDev
https://github.com/davidmjones/brahmic-maps
https://github.com/silnrsi/teckit
https://github.com/Distrotech/teckit
https://github.com/Distrotech