apollonius
Solves Apollonius' problem by finding a fourth circle tangent to three given circles
bigeval
Mathematical expression solving library
scrabble-solver
Scrabble Solver 2 - Free, open-source, cross-platform, multi-language analysis tool for Scrabble, Super Scrabble, Literaki, and Kelimelik. Quickly find the top-scoring words using the given board and tiles.