AI constraint solver in Java to optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling, conference scheduling and other planning problems.

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

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

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

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

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

Generic Constraint Development Environment

Fast TypeScript implementation of the Cassowary constraint solving algorithm 🖖

Constraint solver based on coverage-guided fuzzing

Unity3d CAD system with C# Geometric Constraint Solver

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

An Open Source .Net Constraint Programming Solver

ConstraintSolver in Julia: Blog posts ->

A Swift port of the Cassowary linear constraint solver

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

a GRId LOgic Puzzle Solver library

Yuck is a local-search constraint solver with FlatZinc interface

A Swift implementation of the cassowary simplex solver