Martin Gieseking author of dvisvgm Yann Collet libs/xxHash/xxhash.* https://github.com/Cyan4973/xxHash Google Inc. libs/brotli/* libs/woff2/* https://github.com/google/brotli https://github.com/google/woff2 Angus Johnson libs/clipper/clipper.* https://sourceforge.net/projects/polyclipping/ Michael Park libs/variant/include/mpark/* https://github.com/mpark/variant Alexander Peslyak libs/md5/* Peter Selinger libs/potrace/* http://potrace.sourceforge.net George Williams libs/ff-woff/* https://github.com/fontforge/fontforge