HoDoKu - HoDoKu is a sudoku helper written in Java and available in English and German.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Simple Sudoku - Freeware Sudoku Puzzle Maker and Solver
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
nsudoku - A Sudoku game made with ncurses.
Microsoft Power Automate - Microsoft Power Automate is an automation platform that integrates DPA, RPA, and process mining. It lets you automate your organization at scale using low-code and AI.