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Dev tools · alternatives · 2026

24 alternatives to Sud.c, Sorted list of all solutions for any Sudoku

A fast solver for Sudoku Puzzles. Contribute to vyuh/sud.c development by creating an account on GitHub.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Sud.c, Sorted list of all solutions for any Sudoku launched in 2016; newer entries below may have overtaken it.

  1. 1

    Hello! I recently wanted to learn a bit about computer vision. Initially, I wanted to build something which could solve a jigsaw puzzle, but figured I should start with something (much) simpler, so I've built this instead. This is a visual Sudoku solver which runs in the browser. It works by using OpenCV to identify and process the Sudoku grid, passing this to a simple ML model to identify the digits, and then solving the puzzle with a backtracking algorithm. The ML model was trained on the TMNIST data set using a model built with Keras, also a completely new area to me. It's far from…

    2024 · sudoku.dotslashdan.com · its alternatives →

  2. 2

    Minimalist sudoku experience with competitive leaderboards.

    2021 · sudokukings.com · its alternatives →

  3. 3

    Puzzle Lair brings Sudoku, Killer Sudoku, Calcudoku, X-Sudoku, Kakuro, Ripple Effect, Crossmath and Nonogram together in one clean, free site. Solve daily logic puzzles, track your stats and climb the leaderboards.

    Jun 2026 · puzzlelair.com · its alternatives →

  4. 4
    SudoKoi▲81

    Your next favorite pastime, like Sudoku

    2021 · sudoku.efabian.me · its alternatives →

  5. 5IM

    Source: https://github.com/alabhyajindal/sudoku/blob/main/index.html

    2024 · sudoku-aj.netlify.app · its alternatives →

  6. 6

    Play, learn, and more...

    2024 · sudoku.coach · its alternatives →

  7. 7

    The best way to learn and play Sudoku

    2023 · sudoku.coach · its alternatives →

  8. 8IM

    Source: https://github.com/alabhyajindal/vimsudoku

    2024 · vimsudoku.com · its alternatives →

  9. 9

    Application that scans & solves Sudoku puzzles from images.

    2025 · sudokuai.space · its alternatives →

  10. 10

    A PHP Class to solve the sudoku. GitHub Gist: instantly share code, notes, and snippets.

    2011 · gist.github.com · its alternatives →

  11. 11

    Simple Sudoku game with focus on play anywhere, any time

    2022 · crane-sudoku.app · its alternatives →

  12. 12

    The solver that actually teaches you how to solve.

    2025 · its alternatives →

  13. 13

    A clean take on a classic game. No distractions - just fun!

    2020 · apps.apple.com · its alternatives →

  14. 14

    Modern Version of Sudoku Puzzle Game

    2016 · apps.apple.com · its alternatives →

  15. 15
    UsDoku▲68

    Play real-time multiplayer Sudoku.

    2020 · usdoku.com · its alternatives →

  16. 16

    Simple Sudoku is designed for Sudoku beginners

    2023 · play.google.com · its alternatives →

  17. 17

    Get step by step solution to complicated Sudoku problems

    2022 · play.google.com · its alternatives →

  18. 18SW

    Hello HN, I've created a new Sudoku app for iOS and Android that prioritizes simplicity and privacy. It's free to download and use, and I'd be grateful for any feedback or suggestions. Features: > 4 difficulty levels, accessible at any time > No personal data collection of any kind > Clean, minimalistic design that focuses on the game > Takes up significantly less space than other popular apps (by a factor of about 10x) > Minimal use of advertisements I was frustrated by how many of the popular Sudoku apps feel excessively over-engineered, consume a lot of storage space and some that even…

    2023 · its alternatives →

  19. 19

    Solve any Sudoku Puzzles . AnySudokuSolver is an Online automatic Sudoku Solver. Just enter the digits in Sudoku board and get the solution instantly

    2015 · anysudokusolver.com · its alternatives →

  20. 20

    Solve Sudoku with camera!

    2024 · apps.apple.com · its alternatives →

  21. 21

    Classic Sudoku, clean and simple

    2025 · sudokuonline.cc · its alternatives →

  22. 22

    A clean, ad-free Sudoku built with React.

    Oct 2025 · 5mbreak.com · its alternatives →

  23. 23

    Built for calm minds who love numbers.

    2025 · apps.apple.com · its alternatives →

  24. 24

    Free online Sudoku you can write in

    Jul 2026 · sudosketch.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →