Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Video DownloadHelper - Browser extension to download videos from the Web
Mapbox - An open source mapping platform for custom designed maps. Our APIs and SDKs are the building blocks to integrate location into any mobile or web app.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
QGIS - QGIS is a desktop geographic information system, or GIS.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.
OpenStreetMap - OpenStreetMap is a map of the world, created by people like you and free to use under an open license.