Become a sponsor to Leo Castellanos
ð My Projects
ðŪ Lofi Valley Engine
A cozy farming game engine built for the web with a headless architecture. Features deterministic simulation, variable time control, and runs smoothly at different speeds without breaking game mechanics.
- ðū Live Demo: dev.lofivalley.com
- ðĻ Built with React, TypeScript, and Zustand
- ðïļ Headless architecture separating simulation from rendering
- ð Full i18n support (English & Spanish)
ðŪ Arky Addons
A lightweight and modular plugin for Godot 4.2+ that extends the editor inspector with useful and minimal UI tools.
- ðĻ Asset Library: Godot Asset Library
- ð ïļ Custom editor inspector tools
- ðŊ Enable/disable node processing
- ðïļ Show/hide nodes quickly
- ð Reset position and scale with undo/redo
- ðĻ Clean UI with native Godot styling
- ð§Đ Fully modular and easy to extend
Perfect for: Godot developers who want to customize their workflow and build editor extensions.
⥠Reactter
A lightweight, powerful, and reactive State Management, Dependency Injection, and Event Handler package for Dart/Flutter.
- ðĶ Pub.dev: reactter & flutter_reactter
- ðŊ Fine-grained reactivity with precise control
- ðŠķ Zero external dependencies
- â 100% test coverage
- ðĻ No boilerplate, no code generation
- ðŊ 100% Dart - works everywhere (Server, Web, Mobile, Desktop)
Stats: Used by developers worldwide to build reactive Flutter applications with minimal code.
ð§ Prakma
A JSX framework focused on simplicity and functional components. Perfect for developers who want React-like syntax without the complexity.
- ðĶ NPM: prakma
- ðŊ Separation of logic from components
- ð Global state management
- ð Easy file structure - install and start developing
- ðŠ Supports state, async functions, Sass, and more
Philosophy: Keep it simple. Bridge the gap for developers uncomfortable with React's complexity.
ðŊ Current Focus
I'm currently working on:
- ðū lofivalley.com - Building the core farming mechanics and expanding the game
- ð Documentation - Creating comprehensive guides for all projects
ðŦ Connect With Me
- ð Website: lofivalley.com
- ðŽ Discord: Join our community
- ðĶ Bluesky: @arkydev
- ð§ GitHub: @Leoocast
ð Thank You!
Every contribution, no matter the size, makes a real difference. Your support allows me to continue creating free, open-source tools that help developers worldwide.
If you use any of my projects and find them valuable, please consider sponsoring. Together, we can build amazing things! ð
Made with ð by Leo Castellanos
Featured work
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Leoocast/lofi-valley-engine
A web-based farming simulation engine built with React, Zustand & TypeScript. Open Source core of Lofi Valley.
TypeScript 18 -
ArkkyDev/arky-addons
Arky Addons is a modular and clean plugin for Godot 4.2+, designed to extend the editor inspector with useful and minimal UI tools.
GDScript 3 -
Leoocast/reactter
A light state management for Flutter with React syntax.
Dart 3 -
Leoocast/Prakma
Prakma is a framework to make applications using JSX, focusing on writing functional components.
JavaScript 15