$ pip install quickfix | $ gem install quickfix_ruby
$ pip install quickfix
$ gem install quickfix_ruby
FIX 4.0 xml | html FIX 4.1 xml | html FIX 4.2 xml | html FIX 4.3 xml | html FIX 4.4 xml | html FIX 5.0 xml | html FIX 5.0 sp1 xml | html FIX 5.0 sp2 xml | html FIXT 1.1 xml | html