ESUP-portail is a french academic project developed under the Apache License, Version 2.0 as approved by the Open Source Initiative (OSI), an OSI-certified ("open") and Gnu/FSF-recognized ("free") license.
The official english text of the Apache License, Version 2.0 is available here : http://www.apache.org/licenses/LICENSE-2.0
It follows that you can as well as use download contents as well modify and redistribute them provided you respect the Apache License, Version 2.0 terms.
Downloading and using such contents do not provide any guaranty.
Be sure that you have well understood the terms of the license before using the contents it covers.
The ESUP-portail distribution includes JASIG uPortal: portal software distributed by the JASIG consortium