constraint-solver

OplaPlanner has moved to https://github.com/apache/incubator-kie-drools. This repository is archived. OptaPlanner is an AI constraint solver in Java to optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling, conference scheduling and other planning problems.

The open source Solver AI for Java and Kotlin to optimize scheduling and routing. Solve the vehicle routing problem, employee rostering, task assignment, maintenance scheduling and other planning problems.

Apple's Auto Layout and Visual Format Language for javascript (using cassowary constraints)

An open-source Java library for Constraint Programming

An incremental linear constraint-solving algorithm (Auto Layout) in Swift.

A Rust implementation of the Cassowary constraint solving algorithm

Generic Constraint Development Environment

OptaPlanner quick starts for AI optimization: many use cases shown in many different technologies.

A reference library for constraint-solving with propagators and CDCL.

Fast TypeScript implementation of the Cassowary constraint solving algorithm 🖖

Constraint solver based on coverage-guided fuzzing

Fast TypeScript implementation of the Cassowary constraint solving algorithm (soon for AssemblyScript / WebAssembly).

Unity3d CAD system with C# Geometric Constraint Solver

An Open Source .Net Constraint Programming Solver

ConstraintSolver in Julia: Blog posts ->

A Swift port of the Cassowary linear constraint solver

A webassembly wrapper for FreeCAD's 2D geometric solver.

An Impressive Auto Layout DSL for iOS, tvOS & OSX. & It is written in pure swift.

a GRId LOgic Puzzle Solver library

Best AI Roblox Clothing Compiler 2026: Turn Text Prompts Into Pixel-Perfect Outfits