Become a sponsor to Paulo Coutinho
👋 About me
I've been in software development for over 20 years, from desktop software to mobile, embedded and AI tooling. Whenever I can, I build something and share it with the community.
Everything below is free and open source — your sponsorship is what keeps it maintained.
🚀 Main projects
🧩 C++ & Cross-Platform
PDFium Lib — ⭐ 1000+
Compile PDFium for iOS, Android, macOS, Windows, Linux and WebAssembly.
Bitchatz — ⭐ 80+
Cross-platform Bluetooth mesh chat app in C++ with platform abstraction.
Nativium — ⭐ 60+
C++ multiplatform modular toolkit template, with WebAssembly support.
XPLPC — ⭐ 40+
Transfer serialized data between languages and platforms using device memory — no server needed.
CEF Sample — ⭐ 40+
Desktop apps with C++, Chromium Embedded Framework 3 and Vue 3.
Varn
Write once in Lua, run on desktop, mobile and browser over a self-contained C++ core.
Safe C++
Safety-oriented building blocks for modern C++.
Audio CaptureX
Cross-platform audio capture library built on Mozilla Cubeb.
🤖 AI & Agents
IonClaw — ⭐ 80+
C++ AI agent orchestrator that turns any device — including your phone — into a multi-agent automation platform.
Mini LLM — ⭐ 30+
Fine-tune GPT models with your own data, in Python and Transformers.
Audio Studio AI — ⭐ 30+
Generate voiceovers locally with text-to-speech, in Python and Streamlit.
MCP Gateway
Installable Model Context Protocol gateway — providers register and run MCP tools over WebSocket.
PyeClaw
Desktop manager for OpenClaw — install, update and manage versions in one click.
🐍 Python & Web
PyAA — ⭐ 100+
Template app to build robust web apps with Python, Django, FastAPI and Tailwind.
FastAPI App — ⭐ 70+
A complete FastAPI application with production-ready features and tests.
Kaktos — ⭐ 20+
Python static site generator for serverless applications.
FastKit
Multi-tenant public site, admin panel and API on FastAPI, served by one process.
Queuefy
Async task queue and scheduler for Python. Pure asyncio — no broker, no scheduler process.
Cachefy
Asynchronous cache for Python — a name that holds a value until an instant.
🖥️ Desktop & Tools
BitCleanerX — ⭐ 30+
Clean junk files and free up disk space with one click.
Android 16KB Validator
Validate 16KB page size alignment for Android native libraries in APK, AAB or .so.
Workpane
Plugin-first desktop workspace for terminals, code, browsing, AI agents and local services.
BackupX
Cross-platform desktop app to back up files and folders anywhere you choose.
DataXow
Datashow app that renders text, images and video on external screens.
Apple Show
Elegant Apple TV slideshow with rotating banners and smooth transitions.
🎮 Game Development
Godot-X — Extensions and plugins for Godot Engine, with full iOS and Android support:
Firebase (⭐ 30+) · RevenueCat (⭐ 30+) · Toast (⭐ 10+) · SafeAreaX · Native Bridge · ATT
🤝 My contributions
I contribute to open source projects such as Conan Package Manager, Conan Center Index, Djinni Generator and others.
🔗 Where to find me
1 sponsor has funded paulocoutinhox’s work.
I want create tools that help people use native languages like C/C++ for cross platform development, making easily develop a single code for all platforms.
Featured work
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xplpc/xplpc
Cross Platform Lite Procedure Call - Support Linux, macOS, Windows, iOS, Android, Web Assembly, Flutter, Kotlin, Python and More
C++ 49 -
varn-org/varn
Lua everywhere. Write the application once in Lua and run that same code on desktop, mobile and in the browser, on a C++ core that already brings everything it needs.
C++ -
paulocoutinhox/pdfium-lib
PDFium - Project to compile PDFium library to multiple platforms.
Python 1,070 -
paulocoutinhox/kaktos
Kaktos is a Python Static Site Generator for Serverless Applications 🚀
HTML 23 -
ionclaw-org/ionclaw
A cross-platform AI agent orchestrator in C++ that turns any device — including your phone — into a self-contained, multi-agent automation platform
C++ 86 -
godot-x/firebase
Firebase integration for Godot with support for iOS and Android
Objective-C++ 42