Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Video DownloadHelper - Browser extension to download videos from the Web
Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.
Cardbox - Contacts reimagined as a social network ✨