Projects

Some of the projects I have built, and a few funny toys to play with

Programs

Generate your own Pentomino tiling puzzles, play them in the browser or print them on A4.

Generate 15 variants of Sudoku puzzles with many difficulty levels, play online or print them to A4.

Test regular expressions online using many engines such as .NET, Python, Java and Node.js.

A collection of reusable libraries for .NET Core.

A password generator for the classic Famicom/NES game Captain Tsubasa Vol. II.

Create your own word search puzzle, mark words as you find them and print on A4.

Find sequences of animals in a picture grid, great for children who cannot read yet.

Test your sharp eyes with a shuffled grid of numbers from a range you choose.