WikiTweak is a Firefox extension designed to add many tweaks to Wikipedia including: Extra Links, Styles, Language Options, and others. A must have for Wikipedia users.
Make offline maps from online maps providers.. Free download of Offline Map Maker 6.305
Download radio streams with this tool.. Free download of Radio Downloader 0.26.2.0
Download Google Maps images. Free download of Google Maps Downloader 7.805
Free Web scraper: search & extract data, grab images, download files.. Free download of OutWit Hub for Firefox 41.1.2000