toga2
computer chess engine, calculates chess moves
Toga II is a computer game chess engine created by Thomas Gaksch. It has big
chess knowledge, multi-processor support, and a good search algorithm. It is
based on Fruit and is free. Experimental versions of Toga II running on
computer clusters have competed in the World Computer Chess Championship.
uligo
tsumego (go problems) practice tool
To get stronger at the game of go, it is essential to develop one's
reading ability. That is why professionals recommend study of life and
death or tesuji (local offensive positions) problems. uliGo is a program
that allows you to do that: the computer displays a problem, and asks for
the answer. You enter the first move, the computer responds, and so on
until you reach the final solution or enter a wrong move.
vim-scripts
plugins for vim, adding bells and whistles
Vim is a very capable editor. Its scripting support allows the use of plugins
that enhance the functionality of it. Many people have written scripts, they
are scattered all over the web; however, there's a central resource on
https://www.vim.org/ to start with.
xball
Simulate bouncing balls in a window
A simple educational game that simulates bouncing balls in a window. Gravity,
elasticity, and ability to collide can all be adjusted.
xboard
X Window System Chess Board
XBoard is a graphical chessboard that can serve as a user interface
for chess programs, for the Internet Chess Server, or for electronic
mail correspondence chess. It supports all major forms of chess,
such as international chess, xiangqi and shogi. XBoard can also be
used by itself as viewer for stored chess games.