xtalfind checks whether any XTAL is suitable for a HAM radio circuit (TX, RX). Given a base XTAL frequency, it shows you all possible uses within HAM bands. It features CW TX and direct conversion RX. It supports 455kHz, 10.7MHz, and custom IF value receivers, DRM, and SDRadio applications.
Xws is a text mode multi-player crossword and chat server. It presents the same puzzle to everyone, allowing people the option to try and/or discuss solutions. Play may be friendly collaboration or fierce competition, depending on the players' dispositions. Xws supports hundreds of puzzles in the popular Across Lite file format. Copyright issues prevent the distribution from including any puzzles, but several archives and resources are listed in the README.
xylib is a portable C++ library for reading files that contain x-y data from powder diffraction, spectroscopy, or other experimental methods. Supported formats include plain text (CSV or TSV), Crystallographic Information File for Powder Diffraction (pdCIF), Siemens/Bruker UXD, Siemens/Bruker RAW v1/2/3, Philips UDF, Philips RD (raw scan) V3, Rigaku DAT, Sietronics Sieray CPI, DBWS/DMPLOT data file, Canberra MCA, XFIT/Koalariet XDD, RIET7/LHPM/CSRIET/ILL_D1A5/PSI_DMC DAT, Vamas ISO14976, and Princeton Instruments WinSpec SPE.
y-notes is a set of lightweight applets and CGI scripts which enables a webmaster to specify points where the website's visitors may leave 'sticky notes'. The notes are kept on the server so that users can retrieve them at a later time and use them as a navigation aid. y-notes are particularly useful in large sites such as tutorials and reference manuals. They can also be used in web pages as a fairly uncomplicated way of gathering user feedback which requires no registration, logins, or passwords.
yaGTD is a very simple utility designed to make the management of your to-do list quick and easy. It incorporates major features from Allen's Getting Things Done philosophy and a notion of urgency and importance preached by Stephen Covey in his Seven Habits of Highly Effective People book.