Circus was initiated by Tarek Ziade and is licenced under APLv2
Benoit Chesneau was an early contributor and did many things, like most of the circus.commands work.
Copyright 2012 - Mozilla Foundation
Copyright 2012 - Benoit Chesneau
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
In order of appearence: