EXP 00apis
Bondi Sonoro
Buenos Aires buses in real time, rendered as vibrating strings that sound when a bus moves through them
Next.js 15Tone.js PluckSynthAPI Transporte GCBA
20TypeScript6mo
Open record →Code and evidence
Lab & Open Source
Real projects, not toy demos. Published extensions, open-source repos, CLIs and technical experiments. All on GitHub, all auditable.
EXP 01apis
AMBA Trenes Sonoros
Generative music from AMBA train GTFS schedules: every line a timbre, every trip a note
Next.js 15Tone.jsGTFS
7TypeScript6mo
Open record →EXP 01ai
Browser LLM
A language model running entirely in your browser, without a server
@huggingface/transformersWeb WorkersNext.js
0kbTypeScript6mo
Open record →EXP 02performance
Docker Next.js Starter
Production-ready template with multi-stage builds, PostgreSQL, and Nginx
DockerNext.jsPostgreSQL
~150MBDockerfile6mo
Open record →EXP 03performance
Next.js 3s to 300ms
Side-by-side comparison: the same pages unoptimized and optimized
Next.js 15App RouterServer Components
~1800msTypeScript6mo
Open record →EXP 04tools
TypeScript Patterns
9 type-system patterns that make whole bug categories impossible to write
TypeScript 5.7Result<T,E>Type Predicates
9TypeScript6mo
Open record →EXP 05tools
CertView
VS Code extension for inspecting SSL/TLS certificates without leaving the editor
TypeScriptVS Code Extension APINode.js
PEM, CRT, CER6mo
Open record →EXP 06tools
HAProxy for VS Code
Syntax highlighting, snippets, and validation for HAProxy configuration files
TypeScriptVS Code Extension APITextMate Grammar
40+ rules6mo
Open record →EXP 07apis
Secure RSA + AES Chat
Hybrid RSA/AES encryption in Java with BouncyCastle, from the Lab repo with the most stars
JavaBouncyCastleRSA 2048
4Java424mo
Open record →EXP 08tools
X.509 Certificate Viewer
Standalone Kotlin app for inspecting X.509 certificates without a terminal or browser
KotlinJVMX.509
PEM, CRT, CER, P12Kotlin1110h
Open record →EXP 09tools
init-dev-tools
A Bash script collection for bootstrapping a dev environment in minutes
BashShellIdempotent Scripts
1Shell129mo
Open record →EXP 10webgl
One More Day in Ragnarok
My Platzi GameJAM project, because programming is also play
HTML5 CanvasJavaScriptGame Loop
~48h71mo
Open record →EXP 11apis
Post-Quantum Signing
Software HSM with ML-DSA (FIPS 204) and SLH-DSA: real post-quantum signatures without hardware
TypeScript@noble/post-quantumML-DSA (FIPS 204)
6TypeScript6mo
Open record →Lab Stats
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Everything is open source. Open an issue, send a PR, or reach out if you want to collaborate on something I'm building.