RapidLeech is described as 'Transfers files from various popular upload/download sites such as uploaded.net, Rapidgator.net and more than 127 others via your fast servers connection speed and dumps the file on your server' and is an app in the file sharing category. There are three alternatives to RapidLeech for Windows, Linux, Web-based and Mac. The best RapidLeech alternative is FreeRapid Downloader, which is both free and Open Source. Other great apps like RapidLeech are LinkSnappy and TotalD.
FreeRapid Downloader is a simple Java downloader that supports downloading from Rapidshare and other file-sharing services.
LinkSnappy is one login for all filehosts. Premium downloading from over 60 filehosts are supported(Uploaded/Keep2Share/Rapidgator/Uploadable/Share-Online etc). Price of its access starts from as low as $5.
Download manager that supports torrents, direct download and online videos. It manages the download and upload of files from the bittorrent network, downloads files from websites by avoiding host sites inconveniences and it downloads online videos.
Czechia
EU
Cyprus
Spain
It is up to date, However, it's not web based. Also It doesn't get parameters from command line.