Type design and development
A handy list of cool Type-related Githubs by many other people.
https://github.com/13-Types/LegibilityTester https://github.com/AlphabetType/SpecimenDropper https://github.com/BaGsn/Drawbot-scripts https://github.com/BornaIz/Lalezar https://github.com/DunwichType/DTF_Proofs https://github.com/DunwichType/DunwichPythonTools https://github.com/EbenSorkin/deva https://github.com/Fooidge/PleaseJS https://github.com/IndicFontbook/Fontbook https://github.com/LettError/LightMeter https://github.com/LetterModeller/kernagic https://github.com/MrBrezina/typefacedesign.org https://github.com/SorkinType/Texts-collected-for-font-testing https://github.com/Tosche/Glyphs-Scripts https://github.com/TypeResources/Glyphs-Scripts https://github.com/adobe-type-tools/adobe-latin-charsets https://github.com/adobe-type-tools/box-drawing https://github.com/ajanthanm/hindiwebfont https://github.com/alexeiva/alexei-scripts https://github.com/andre-fuchs/kerning-pairs https://github.com/anexasajoop/devanagari-type-tools https://github.com/benbalter/Frequency-Analysis https://github.com/cadsondemak/pattaya https://github.com/danielgamage/Glyphs-Scripts https://github.com/davelab6/librefonts.com https://github.com/davelab6/type-notes https://github.com/davelab6/typomad-2014 https://github.com/enathu/tamil-font-testing-page https://github.com/erikbern/deep-fonts https://github.com/erinmclaughlin/SSPDevanagari https://github.com/first20hours/google-10000-english https://github.com/font-store/PersianFontTestingTools https://github.com/gerryleonidas/greek-type-design https://github.com/googlefonts/fontra https://github.com/guidoferreyra/Drawbot https://github.com/guidoferreyra/Glyphs-Scripts https://github.com/hanikesn/woff2otf https://github.com/hoeflerco/RoboFont https://github.com/huertatipografica/huertatipografica-scripts https://github.com/itfoundry/indic-test-docs https://github.com/jpt/font-scripts https://github.com/juandelperal/glyphsScripts https://github.com/justanotherfoundry/font-production https://github.com/justanotherfoundry/text-generator https://github.com/krksgbr/glyphcollector https://github.com/kylewaynebenson/Glyphs-Scripts https://github.com/m4rc1e/devanagari-conjuncts https://github.com/mekkablue/Glyphs-Scripts https://github.com/microsoft/fonts https://github.com/mooniak/fontester https://github.com/ninastoessinger/DrawBot-Scripts https://github.com/peterhry/CircleType https://github.com/prashishh/Devanagari-Unicode https://github.com/schriftgestalt/Glyphs-Scripts https://github.com/simoncozens/Callipers https://github.com/simoncozens/GlyphsPlugins https://github.com/simonegli/hobbyspline https://github.com/skosch/fittingroom https://github.com/typefacedesign/document-driven-typedesign https://github.com/typemytype/drawbot https://github.com/typesupply/opentype-cookbook