Technology filter

Open Source Projects.

Projects where Open Source played a meaningful role in the architecture, delivery workflow, or product experience.

All technologies Portfolio

Portfolio evidence
Architecture context
Delivery impact

Projects

Projects using Open Source

Independent builds, open-source tools, and experiments where Open Source shapes the product or engineering system.

Active

2026

santi020k auth

Built an open-source authentication policy for single-owner and multi-user Hono applications on Cloudflare Workers and D1, with email codes, passkeys, isolated identity state, and explicit production-readiness gates.

AstroTypeScriptPlaywright

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Active

2026

@santi020k/og

Built a renderer-agnostic Open Graph image pipeline with deterministic caching, safe cleanup, parallel generation, and CI verification while leaving every project's visual system in its own hands.

Next.jsAstroTypeScript

Active

2026

quality

Built a fast, predictable code-quality CLI and GitHub Action that detects and coordinates native analyzers across Rust, Swift, Android, Kotlin, JavaScript, and Astro repositories.

AstroTypeScriptNode.js

Active

2026

Lumen UI

Built Lumen UI: shared design foundations for Astro, React, Web Components, and native interfaces, with accessible primitives, product layouts, Figma, and AI tooling.

React.jsAstroTypeScript

Active

2026

Dep Beacon

Built and published dependency tools for VS Code and Zed that bring npm dependency status, update targets, pnpm workspace catalog context, and OSV security signals into package manifests.

AstroTypeScriptNode.js

Active

2026

Santi020k Theme

Built a theme family for VS Code, Zed, Codex, Chrome, terminals, Raycast, Slack, JetBrains, and Xcode, with shared tokens and a unified product website.

AstroNode.jsVitest

Active

2026

Astro Doctor

Built a deterministic Astro health-check toolkit with a CLI, ESLint plugin, editor extension, GitHub Action, docs site, and installable agent skills.

AstroTypeScriptNode.js

Active

2024

eslint-config-basic

Built a DX-first ESLint toolkit for JavaScript and TypeScript teams that want stronger defaults, less setup friction, and cleaner reviews.

React.jsNext.jsAstro

Completed

2023 - 2024

eslint-config-santi020k

Turned internal linting conventions into a reusable package that standardized React and TypeScript projects and paved the way for @santi020k/eslint-config-basic.

React.jsNext.jsAstro

Community

Community work using Open Source

Meetups, workshops, and mentorship where Open Source helps engineers learn and connect.

Active

2017

ReactJS Colombia

Co-organize one of Medellin's most active React communities, sustaining free meetups and workshops that drew 100+ participants at peak sessions.

React.jsTypeScriptReact Native

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Work experience

Work experience using Open Source

Client and product work where Open Source supported architecture, delivery, and measurable outcomes.

Completed

2021 - 2023

Optic Power

Shipped across gaming, SaaS, and martech products in parallel, improving API performance by 40% while supporting launches for Team Liquid, NurtureBoss, and Stardust.gg.

React.jsNext.jsTypeScript

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Projects

Independent and open-source projects where Open Source shaped the product or engineering system.

Community

Community work where Open Source supported practical learning and knowledge sharing.

Work experience

Professional roles where Open Source contributed to architecture, delivery, or product outcomes.