{
  # scintilla
  "scintilla550.tgz" = {
    url = "https://www.scintilla.org/scintilla550.tgz";
    sha256 = "sha256-5VPpVQnwH5KqFX+gLQanEmQuE9aaEewaAqfd8ixAYjE=";
  };
  # lexilla
  "lexilla510.tgz" = {
    url = "https://www.scintilla.org/lexilla510.tgz";
    sha256 = "sha256-azWVJ0AFSYZxuFTPV73uwiVJZvNxcS/POnFtl6p/P9g=";
  };
  # scinterm
  "scinterm_5.0.zip" = {
    url = "https://github.com/orbitalquark/scinterm/archive/scinterm_5.0.zip";
    sha256 = "sha256-l1qeLMCrhyoZA/GfmXFR20rY5EsUoO5e+1vZJtYdb24=";
  };
  # scintillua
  "scintillua_6.3.zip" = {
    url = "https://github.com/orbitalquark/scintillua/archive/scintillua_6.3.zip";
    sha256 = "sha256-SAFmu3q8T1UtVjdUcFy9NPu0DOLqewvU/Vb9b7XjgQM=";
  };
  # lua
  "lua-5.4.6.tar.gz" = {
    url = "http://www.lua.org/ftp/lua-5.4.6.tar.gz";
    sha256 = "sha256-fV6huctqoLWco93hxq3LV++DobqOVDLA7NBr9DmzrYg=";
  };
  # lpeg
  "lpeg-1.1.0.tar.gz" = {
    url = "http://www.inf.puc-rio.br/~roberto/lpeg/lpeg-1.1.0.tar.gz";
    sha256 = "sha256-SxVdZ9IkbB/6ete8RmweqJm7xA/vAlfMnAPOy67UNSo=";
  };
  # luafilesystem
  "v1_8_0.zip" = {
    url = "https://github.com/keplerproject/luafilesystem/archive/v1_8_0.zip";
    sha256 = "sha256-46a+ynqKkFIu7THbbM3F7WWkM4JlAMaGJ4TidnG54Yo=";
  };
  # cdk
  "t20200923.tar.gz" = {
    url = "http://github.com/ThomasDickey/cdk-snapshots/archive/refs/tags/t20200923.tar.gz";
    sha256 = "sha256-rjL4oMSDJZWAZJ8pG8FApfpvrVNJvY+6D8ZV+gwvDnI=";
  };
  # libtermkey
  "libtermkey-0.22.tar.gz" = {
    url = "http://www.leonerd.org.uk/code/libtermkey/libtermkey-0.22.tar.gz";
    sha256 = "sha256-aUW9PEqqg9qD2AoEXFVj2k7dfQN0xiwNNa7AnrMBRgA=";
  };
  # lua-std-regex
  "1.0.zip" = {
    url = "https://github.com/orbitalquark/lua-std-regex/archive/1.0.zip";
    sha256 = "sha256-W2hKHOfqYyo3qk+YvPJlzZfZ1wxZmMVphSlcaql+dOE=";
  };
  # singleapp
  "v3.4.0.zip" = {
    url = "https://github.com/itay-grudev/SingleApplication/archive/refs/tags/v3.4.0.zip";
    sha256 = "sha256-FwyzM+R9ALpGH9u2RXab4Sqi4Q+p3Qs+8EdfhjPGcXY=";
  };
}