Top 4 sudoku-generator open source projects

Android App for Generating Sudoku Number Pattern

一款轻巧、趣萌、界面精美，具备统计、排行（即将推出），开源、免费、无广告的数独小程序

Python based sudoku generator that can create unique Sudoku board based on 4 difficulty levels. This code also includes a brute force sudoku solver that is capable of solving even the most difficult sudoku puzzles!

A very fast Java Sudoku library implementation along with a command line client