Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Video DownloadHelper - Browser extension to download videos from the Web
Mirraw - Get all traditional Indian Clothing like Sarees, salwar suits, lehenga, jewellery, Kurta, sherwani and more on one place at best prices with free shipping for India and low cost shipping for USA, UK
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Voodoo Manufacturing - Fast, affordable, high-volume 3D printing
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.
3D Hubs - Airbnb for 3D printing