Everything we ship.

Just Game Engine

2D ECS game engine for Flutter

An open-source, BSD-3 licensed 2D game engine for Flutter with an explicit entity-component-system, a fixed-timestep simulation core, physics, particles, Tiled maps, audio, shaders and dialogue.

Mym

Bond atoms, build molecules, chase the combo

A fast, tactile puzzle game where you assemble molecules from falling atoms. Built on Just Game Engine for phones first.

Just Zombies

Top-down survival with a physics-driven horde

Hold out against waves of zombies with deterministic physics, particle-heavy effects and tight touch controls.

Event Horizon

Gravity, orbits and one very hungry black hole

A space arcade game about slinging ships around gravity wells. Ray-cast lighting and post-processing straight from the engine.

just_signals

Reactive state

Fine-grained reactive state: signals, computed values, effects and Flutter widgets.

just_di

Dependency injection

Tiny dependency injection with singletons, factories and scopes.

just_storage

Key-value storage

Standard and AES-256-GCM encrypted key-value storage with typed JSON helpers and watch streams. Works on web.

just_database

Embedded database

Embedded database layer for local-first apps and games.

just_physics_engine

2D physics

2D rigid-body physics with deterministic stepping.

just_audio_engine

Audio mixing

Multi-channel audio mixing for games.

just_tiled

Tiled maps

Tiled map loader and renderer.

just_zstd

Compression

Zstandard compression bindings.

just_memory

Memory tooling

Zero-GC pooling, arenas and memory diagnostics.

just_debugger

Debug overlays

In-app debugging overlays and inspectors.

just_firebase

Firebase helpers

Thin Firebase helpers for the just_* stack.

just_dart

Core utilities

Core Dart utilities shared across the family.

Embedded systems

Firmware and GPU work for microcontrollers.

Mobile software

Consumer apps on the just_* stack.