Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Video DownloadHelper - Browser extension to download videos from the Web
FlightGear - The FlightGear flight simulator project is an open-source, multi-platform, cooperative flight simulator development project. It also simulates space flight in Earth's orbit. It's flight dynamics engine (JSBSim) is used in a 2015 NASA benchmark.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
X-Plane - The world's most advanced flight simulator just got an upgrade. Download the free demo today for Windows, macOS, & Linux.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.
Tom Clancy’s H.A.W.X 2 - Tom Clancy’s H.