The 284th episode of Libre à vous ! by April aired on September 15, 2026, focusing on the life of GULL and the Festival of Possibilities. GULL is an open-source software project, and the Festival of Possibilities is an event that promotes free and open-source technologies. The episode featured guests Florian Monteghetti from the CercLL association and Otyugh from the Libre à Quimperlé association, with the topic hosted by Laurent Costy. It also included the column Les humeurs de Gee discussing "Corbeille & file recovery" and the column Libérons notre quotidien, pas après pas, app après app by Anne L'Hôte on "Complete your street!" Libre à vous ! is broadcast every Tuesday from 3:30 PM to 5:00 PM on 93.1 FM in Île-de-France and simultaneously on the website of the radio Cause Commune. Listeners can leave messages on the radio's voicemail at +33 9 72 51 55 46 to react to one of the topics of the show or ask a question. The podcast of the show is available at https://media.april.org/audio/radio-cause-commune/libre-a-vous/emissions/20260915/libre-a-vous-20260915.ogg. References for the show and podcasts by topic can be found at https://www.libreavous.org/284. The transcription of the show is available at https://www.librealire.org/emission-libre-a-vous-diffusee-mardi-15-septembre-2026-sur-radio-cause-commune. Subscribers can access the podcast at https://www.libreavous.org/rss and subscribe to the mailing lists at https://www.libreavous.org/listes-de-diffusion. More information about Libre à vous ! can be found at https://www.libreavous.org, and details about Radio Cause Commune are available at https://cause-commune.fm. The content can be downloaded in EPUB format at https://linuxfr.org/news/gull-et-fete-des-possibles-libre-a-vous-du-15-septembre-2026-podcasts-et-references.epub. Comments on the episode can be viewed via the Atom feed at https://linuxfr.org/nodes/145635/comments.atom or accessed directly at https://linuxfr.org/news/gull-et-fete-des-possibles-libre-a-vous-du-15-septembre-2026-podcasts-et-references#comments.