QuantLib is a cross-platform, quantitative finance C++ library for modeling, pricing, trading, and risk management in real-life. It is also wrapped as Python/Ruby/Scheme modules. Extensions for Excel, R, and Mathematica are available. Other such extensions are under consideration. QuantLib offers tools that are useful both for practical implementation and for advanced modeling. It features market conventions, yield curve models, solvers, PDEs, Monte Carlo (low-discrepancy included), exotic options, VAR, and so on.
ZShaolin installs a powerful terminal on your Android device, without requiring root. It comes with applications to edit text, images, audio, and video using shell scripts and programs like FFMpeg, ImageMagick, Sox, Oggz, Lua, awk, sed, vim, emacs, git, SSH, and rsync. A zsh command line environment comes pre-configured with colors, smart completion, error correction, and all man pages, making ZShaolin also suitable for those who would like to learn shell scripting and Unix system administration via a remote session.
Jigsaw is W3C's leading-edge Web server platform, providing a sample HTTP 1.1 implementation based on RFC2616 and a variety of other features on top of an advanced architecture implemented in Java. Jigsaw provides both client and server HTTP/1.1 implementations, is fast, easy to extend, flexible, and is also packaged as a ready-to-run HTTP/1.1 proxy-cache.
newsyslog is a faithful Perl rewrite of the MIT newsyslog utility, with a number of features taken from the FreeBSD and NetBSD variants of newsyslog. It archives log files based on size, date or interval, and can optionally compress archives with gzip or bzip2. Complete documentation is available via "perldoc newsyslog.pl".
PXP is a validating XML parser for the programming language Objective Caml. It strictly implements the full XML-1.0 standard. The XML instance is represented as a tree of objects. It is also possible to access the DTD. PXP means "Polymorphic XML parser" and emphasizes its most useful property: that the API is polymorphic and can be configured such that different classes are used to store different types of elements. PXP contains a user's manual and several example, and has been designed with CGI programming in mind, however is not limited to this field.