1.freeCodeCamp / freeCodeCampfreeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.learn-to-codenonprofitsprogrammingnodejsreactd3+9 moreTypeScriptBSD-3-CLAUSE458K total48K forks+16,631 starsfrom 441,742 · score 9.72
2.KaTeX / KaTeXFast math typesetting for the web.mathmath-typesettinglatexjavascriptkatexTypeScriptMIT20K total1.3K forks+560 starsfrom 19,927 · score 6.33