Checkmk is a comprehensive Solution for IT Monitoring of applications, servers, and networks.
youtube-dl is a command-line program to download videos from YouTube.com and a few more sites
Jackett works as a proxy server: it translates queries from apps (Sonarr, Radarr, SickRage, CouchPotato, Mylar, DuckieTV, etc) into tracker-site-specific http queries, parses the html response, then sends results back to the requesting software.
Deluge is a BitTorrent client written in Python. Deluge is cross-platform, using a front and back end architecture where libtorrent, a software library written in C++ which provides the application's networking logic, is connected to one of various front ends through the project's own Python bindings
Sonarr is a PVR for Usenet and BitTorrent users. It can monitor multiple RSS feeds for new episodes of your favorite shows and will grab, sort and rename them. It can also be configured to automatically upgrade the quality of files already downloaded when a better quality format becomes available.
