'GlobaLeaks is an open-source, free software intended to enable secure and anonymous whistleblowing initiatives. It is developed by the Hermes Center for Transparency and Digital Human Rights, an Italian based NGO supporting freedom of speech online. The software empowers anyone, even non-technical people, to easily setup and maintain a whistleblowing platform. GlobaLeaks is internationalized in 20+ languages and used worldwide by more than 60 projects and initiatives.'
See also https://en.wikipedia.org/wiki/GlobaLeaks
http://www.lemonde.fr/economie/article/2017/01/24/la-mairie-de-barcelone-tend-les-bras-aux-lanceurs-d-alerte_5068211_3234.html