The Courier Unicode Library implements several algorithms related to the Unicode Standard: look up of uppercase, lowercase, and titlecase equivalents of a Unicode character, grapheme and work breaking rules, line breaking rules, and several other related functions. The library also implements C++ bindings for these algorithms.
garith is a game similar in spirit to BSD's "arithmetic" or TuxMath. The game asks you to perform a simple arithmetic operation within a certain time frame. It improves your skills by stressing the operations you get more frequently wrong or that longer to answer. The statistics are saved/restored across games, so that each game is tuned for your current arithmetic abilities.
Harry is a small tool for comparing strings and measuring their similarity. It implements several common distance and kernel functions for strings, as well as some exotic similarity measures. For example, Harry supports the Levenshtein (edit) distance, the Jaro-Winkler distance, and the compression distance. Harry is implemented using OpenMP, so its runtime scales linearly with the number of available CPU cores. Efficient implementations and effective caching speed comparison of strings.
tblutils is a collection of several utilities for working with tabular text files: data written in plain text, with one row per line and columns separated by a common character (usually TAB or semicolon). It complements the usual Unix tools like cut and paste by providing enhanced versions that support column labels through-out, so that you can extract columns by name (tblcut), filter data using a mathematical expression (tblfilter), re-order columns without caring about the column index (tblcsort), join multiple files on a common index without having to pre-sort them (tblmerge), and much more.
Huida is a lightweight Web-based help desk system for cases where there might be only a single responder. It could also be used for consulting, social services, or similar. It supports PayPal as a means for purchasing access to the system, has threaded queries and responses, and generates static pages of user-published content.
jupp is a text editor. It is highly configurable and comes, besides the standard WordStar-compatible key bindings known from the DR DOS Editor, Turbo C, and Borland C++, with the configurations known from JOE’s Own Editor, namely joe, jmacs, jpico, jstar, and rjoe. It is a portable, compact full-screen editor with comprehensive online help, full key binding configurability, user-defined macros, extensibility, hooks on file open and save, a hex editor, multiple character sets, visual spaces, syntax highlighting, and much more.
php_mt_seed finds possible seeds given the very first PHP mt_rand() output after possible seeding with mt_srand(). With advanced invocation modes, php_mt_seed is also able to match multiple, non-first, and/or inexact mt_rand() outputs to possible seed values. php_mt_seed is written in C with optional SIMD intrinsics (SSE4.1/AVX, XOP, AVX2, MIC) and OpenMP. On a modern quad-core CPU, it is able to search the full 32-bit seed space in one minute (or in just seven seconds on Xeon Phi).