Great Downloader easy to use can convert into multiple file formats. Fast and impressive
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.
Video DownloadHelper - Browser extension to download videos from the Web
SlideBoom - Upload and Share PowerPoint presentations with your family, friends, colleagues, clients and the whole world
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
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.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.