Mixbook - Mixbook is an online photo design tool and product service that allows customers to design customized photo books, cards, calendars, and photo prints through its online interface.
CONV. - Convert YouTube video to MP3, GIF or MP4
Bitstrips - Bitstrips is fun and engaging app that lets you create your own comic strips right from your mobile device. It's essentially a social network that allows its users to share self-made comics as opposed to photos, memes, videos, or other posts.
Downie - Video download for OS X. Downie supports at this moment over 1,000 different sites.
SlideBoom - Upload and Share PowerPoint presentations with your family, friends, colleagues, clients and the whole world
Yout - YouTube to Mp3 Converter