Open-source projects and personal experiments I build in my spare time.

EstimaTech

Active

A modern project estimation tool with configurable technical overhead percentages, task/subtask management, sprint planning and Excel/CSV export capabilities.

ReactTypeScriptViteTailwind CSSshadcn/ui

willianstavares-hub

Active

My personal hub built with Next.js, TypeScript and multi-language support (PT/EN).

Next.jsTypeScripti18n

Simple Tuner & Metronome

Active

Android application for precise tuner and metronome, designed for musicians.

KotlinAndroidMusic Theory

PC Diagnostic

Active

Desktop application for Notebook/PC testing and diagnostic.

C#.NETWCFDesktop

Ear Training Game

Active

Mobile game to improve musical perception through interactive exercises.

React NativeJavaScriptMusic Theory

Update Check

Active

Command line tool to check for dependency updates in Node projects.

GoCLI

CarBom App

Archived

Android app developed as a FIAP final project.

KotlinAndroid

Azure Extension Template

Archived

Template for creating Azure DevOps extensions.

TypeScriptAzure DevOps

Dodge the Creeper

Archived

Game built with the Godot engine using GDScript.

GDScriptGodotGame Dev