Top 3 Rust sudoku Projects

Emerentius/sudoku

1 1 91 6.8 Rust

The Rust sudoku library (by Emerentius)
Stream

getstream.io featured

Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
sudoku-solver

2 1 42 3.7 Rust

Sudoku Solver using bitmasks and bit-manipulation with Rust 🦀 and egui 🎨 (by wzid)
rustoku

3 2 23 9.7 Rust

Lightning-fast Sudoku 🦀

Project mention: 1050 downloads in 5 days: Building a Sudoku solver in Rust | news.ycombinator.com | 2025-06-06

Five days after launching Rustoku on crates.io (11 days of development), I've hit 1050+ downloads with zero marketing - validating there's real demand for educational algorithmic tools.
The core implementation uses bitmasking for efficient row/column/box constraint tracking, with cell-based candidate caching for performance. When human-solvable techniques are exhausted, it falls back to backtracking with minimum-remaining values (MRV) heuristic.
What sets it apart: beyond just solving, Rustoku generates a complete solve path for transparency - you can see exactly which techniques were applied and when the algorithm switches to backtracking.
The constraint satisfaction problem space feels ripe for more innovation, especially tools that bridge the gap between "just works" and "shows you how it works"
https://github.com/huangsam/rustoku

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).