This project is an open and free App for SharePoint 2013. The QRCode App is an app part to generate dynamically QRCode in your SharePoint’s pages. With this app part, you can insert qrcode with the URL or text of your choice and choose the size that you want. The QRCode App is an open source tool distributed under MIT license by Olivier Carpentier. This tool is based on the excellent jquery.qrcode.js jquery extension by Jerome Etienne.
Galleriffic App is an app part for SharePoint 2013 to display a pictures gallery with cool JQuery animations and effects. This App is an open source tool distributed under MIT license byOlivier Carpentier and based on the excellentGalleriffic jquery extension by Trent Foley.
This sandbox solution enables google analytics everywhere in your site collection. By installing this sandbox solution, you can paste and add automatically the Google Analytics code to all your Office 365 sites. It works together with Office 365 publishing sites and also with Office 365 collaboration sites (team sites, blogs, etc.)
Installation manual: http://www.fiechter.eu/blog/Lists/Posts/Post.aspx?ID=14