AutoDiff.NET is a pure .NET library that allows a developer to easily compose functions symbolically and then automatically calculates the function's value and gradient at any given point. It can be very useful in conjunction with a gradients-based optimization library. It has been tested to work on Mono 2.10 on Linux and on .NET4 on Windows.
Racket (formerly PLT Scheme) is a programming language suitable for implementation tasks ranging from scripting to application development, including GUIs, Web services, etc. It includes the DrRacket programming environment, a virtual machine with a just-in-time compiler, tools for creating stand-alone executables, the Racket Web server, extensive libraries, documentation for both beginners and experts, and more. It supports the creation of new programming languages through a rich, expressive syntax system. Example languages include Typed Racket, ACL2, FrTime, and Lazy Racket.
Reconfigure is a Python library for parsing and generating a range of configuration file formats. It creates an object mapping for the config file content. Supported configs include Ajenti, BIND9 DNS, Crontabs, Samba CTDB, ISC DHCPD / uDHCPD, NFS /etc/exports, /etc/fstab, /etc/group, /etc/hosts, iptables-save dump, Netatalk afp.conf, NSD DNS, /etc/passwd, /etc/resolv.conf, Samba, Squid 3, and Supervisord. Parsers are also provided for file formats including .ini, CSV, nginx-like, and JSON.
Scopserv Communicator is an audio/video Internet phone and instant messenger that supports some of the most popular VoIP and instant messaging protocols such as SIP, Jabber (XMPP), AIM/ICQ, MSN, Yahoo! Messenger, and a whole lot of other useful features. ScopServ Communicator is based on the SIP Communicator softphone.