The Open Weather Station (OWS) is a do-it-yourself weather station solution that aims to be affordable, stable, easy to build and tested in the wild. Measure, monitor, store months of data and send it to your server as well as Wunderground, Thingspeak, Windguru or OpenWeatherMap via Wifi or GPRS/GSM/4G. It evolved from other approaches I have been testing and using in the field since late 2012 to this day
Snapcast is a multiroom client-server audio player, where all clients are time synchronized with the server to play perfectly synced audio. It's not a standalone player, but an extension that turns your existing audio player into a Sonos-like multiroom solution.
Un projet qui a l'air bien sympa : une liseuse numérique (ebook reader) open source (logiciel et matériel) !
« As a society, we need an open source device for reading. Books are among the most important documents of our culture, yet the most popular and widespread devices we have for reading — the Kobo, the Nook, the Kindle and even the iPad — are closed devices, operating as small moving parts in a set of giant closed platforms whose owners' interests are not always aligned with readers'. »