app.lgbk.me is an online logbook developed with students and professionals in mind. It allows you to maintain a daily logbook from any of your devices, with support for text, drawing, images, formulas, comments and tags. All of your data is encrypted to keep it safe, and you can access it anywhere! Best of all Logbook is entirely free to use whilst it is in Beta, so please help us out by giving it a go. If later on you decide that you no longer want to use Logbook you can export all of your pages in a pdf document for future reference.