A flexible Hitbox system with its visualization and easy edit when animating. It uses the built in 2d Collider which makes it easily customizable. It supports circle and rectangle hitbox. It's already tested and has guaranteed hit on every frame, doesn't matter the framerate, as long as its using the physics update like using animate physics in animator. Features: 
- Easily edit hitbox when using animator. 
- Has HitboxCaster and HitboxReceiver. These can be customized with using layer and collision matrix to make custom things lika shield or guard. 
- Visualization with color when certain hitbox is collided. 
- Guaranteed to hit a certain hitbox only once, then reset when the HitboxCaster is disabled.

Unity package for hitbox system.

HitBox System with Editor

Implementation of state design pattern in Object Oriented Programming with reusable base class for the state machine and includes the editor to make creating and updating state easier. Features:
- Reusable base class for state machine
- Can add custom function that can be overriden on any state, for example the OnHurt one.
- An editor to view what are the states and to create a new state including automaticallyit in 
- the states (the U of Core<T,U>)
- Bonus feature for a good implementation for HitRequest and HitResult

Unity package for Generic based FSM. It's big brain OOP.

Reusable Finite State Machine with Editor

Implementation of Authentication with Next js and Next Auth as frontend and multiple backend frameworks. It implements the best way to block access to certain page, and redirect the user. It also block access to certain api endpoints if the user is not authenticated.

Auth with Many Frameworks