HugeQuiz - test your knowledge with a variety of quizzes about everything.

HoDoKu - HoDoKu is a sudoku helper written in Java and available in English and German.

The Quizopedia - The Quizopedia is a top-notch quiz-based application that provides the overall development of the interesting candidates by offering interesting quizzes focused on enhancing analytical, reasoning, and decision-making skills.

Yasminoku - Sudoku game and solver totally written in DHTML.

AlltheTests - AlltheTests is an online platform for testing intelligence and command over current affairs, including Cartoons, Mangas, Books, Games, Satire, Knowledge, EQ tests, Social media, Sports, and celebrities’ related tests.

Simple Sudoku - Freeware Sudoku Puzzle Maker and Solver