testssl.sh is a free command line tool which checks a server's service on any port for the support of TLS/SSL ciphers, protocols as well as recent cryptographic flaws and more.
Sysdig is open source, system-level exploration: capture system state and activity from a running Linux instance, then save, filter and analyze. Think of it as strace + tcpdump + lsof + awesome sauce. With a little Lua cherry on top.
s.a. http://forum.xda-developers.com/showthread.php?t=2011811
Mac App Store command line interface
aria2 is a lightweight multi-protocol & multi-source command-line download utility. It supports HTTP/HTTPS, FTP, BitTorrent and Metalink. aria2 can be manipulated via built-in JSON-RPC and XML-RPC interfaces.
This little program lets you choose to install Firefox 1.5, OpenOffice.org 2.0, Multimedia Codecs, DVD Playback, Skype, VLC, and many other essential apps.
Command line script to administer the Amazon Route 53 dns service