General purpose guidelines

• Thierry Aimé and al., A practical guide to using free software in the public sector (in English and French)
• Thierry Aimé and al., A practical guide to using free software in the public sector (in English and French)
• Rishab A. Ghosh and al. Guidelines on public procurement of open source software (in English)
• Cenatic guide– Software de fuentes abiertas para el desarrollo de la Administración Pública Española (in Spanish)
• Jean-Paul Triaille and François Coppens, for the Joint Research Center of the European Commission (JRC) – “Open Source Software Guidelines” (in English). This guide has been developed by JRC for internal use, but they were kind enough to share it with Joinup users. However, the EUPL compatibility matrix should be updated: please refer to the Joinup list of EUPL compatible licences
• Ghosh, Glott, Gerloff, Schmitz, Aisola, Boujraf, "Study on the effect on the development of the information society of European public bodies making their own software available as open source" - OSS impact study.

Guidelines and analysis related to the EUPL

• The European Union Public Licence (EUPL) -Early analysis of version 1.2 published in the International Free & Open Source Software Law Review IFOSSLR reference : www.ifosslr.org/ifosslr/article/download/91/164

• Patrice-Emmanuel Schmitz, "The European Union Public Licence – Guidelines for users and developers EUPL v.1.1" (available in 22 languages). Guidelines are complemented by a List of EUPL compatible licences (in English).
• Fabio Bravo, Software “Open Source” e Pubblica Amministrazione (L’esperienza europea e quella italiana tra diritto d’autore, appalti pubblici e diritto dei contratti. La EUPL), Bologna, 2009 (in Italian)
• www.eupl.it This Italian web site is dedicated to the EUPL (in Italian, English and other languages)
• Ernest Park, Freedom and choice in Open Source Licensing: Comparing the EUPL 1.1 and the GPL v3 (in English)
• Prof. Dr. Andreas Wiebe, LL.M. & Dr. Roman Heidinger, M.A, "The European Union Public Licence - EUPL V1.1 Kommentar" (in German)
• Patrice-Emmanuel Schmitz, "The EUPL interoperability - The EUPL interoperability - Which FOSS components in EUPL solutions?" (in English)
• Prof Petros Stagkos, "The European public licence for the use of free software. A mature step forward of the European Union in the context of a globalised society of information and knowledge" (in Greek)
• Kostas Koïkas, (European Commission), formal legal advisor for the IDABC programme, "The European Union Public Licence. First European licence of free software" (in Greek)
• Rowan Wilson, (OSS-Watch, Oxford University), "The European Union Public Licence - An overview" (in English)
• Marina Markellou, "EUPL: vers un dialogue harmonieux entre "copyright" et "copyleft" in "Revue Lamy de droit intellectuel" June 2007. (in French) 

• Marina Markellou, "The European Union Public Licence under the Greek IP law" (in Greek)