/github → https://github.com/ldct /ldct → https://github.com/ldct /swift → https://swift.exe.xyz:8000/ /gap → https://gap-cas.exe.xyz:8000/ /lean-frontend-cf → https://lean-frontend-cf.exe.xyz:8000/ /textbooks → https://mobile-textbook-reader.exe.xyz:8000/?book=dummit-foote /calendar → https://xuanji-calendar.exe.xyz:8000/ /view-source → https://github.com/ldct/xuanji.li /redirects.json → redirects as JSON /redirects.txt → redirects as plain text