Micro-SaaS
PriceHawk
Track price drops on any store URL. Set target prices and get alerted.
Building the future, one product at a time.
A portfolio of AI-powered micro-SaaS, developer tools and digital products — designed, built and shipped with AI-assisted development.
Every product below is live and verifiable — click through to use it or inspect the source code.
Track price drops on any store URL. Set target prices and get alerted.
Freelance contracts & invoices that get you paid. Free generator with late-fee clauses.
AI jobs, curated for people who build the future. Job board with verified AI positions.
Find vetted AI agencies & automation consultants. Directory of verified AI agencies.
Listing marketing kits for real estate agents.
AI tools that actually pay for themselves. Curated directory of verified AI tools.
Collections SaaS for Dominican SMEs — debtor dashboard, 1-click WhatsApp reminders.
The command center — a 3D neural visualization of every business, project and metric.
Professional website audits in seconds — SEO, accessibility, performance.
Instant senior-level code review in your browser — paste code, get feedback.
Chat with your PDFs — 100% private, runs entirely in your browser.
Talk to your CSV — upload data, ask questions in plain language.
Describe your business, get a complete landing page instantly.
Voice notes to action items — record, transcribe, organize.
Resume builder with live preview — professional CVs in minutes.
Conversion teardowns for SaaS landing pages — see what works.
Uptime + SSL monitoring with crypto payments.
Every node is a real, live product. This is how a digital holding company compounds — each product feeds the next.
Live visualization of the Zangetsu product network
High-performance websites and web apps built with React, Next.js, TypeScript and Supabase. From landing pages to full platforms.
Focused software products that solve one painful problem well — designed, built and shipped fast with AI-assisted development.
Templates, kits and tools sold on Gumroad — from freelance contracts to AI prompt packs for real industries.
Workflows and agents that remove repetitive work — outreach systems, content pipelines, and business dashboards.
Systems & Computer Engineer · AI-assisted developer
Carlos founded Zangetsu to build software the way it should be built in the AI era — fast, focused, and shipped. Every product in the portfolio is designed and engineered by him using AI-assisted development workflows, from concept to production deployment.
His approach: small teams (or none), tight feedback loops, and products that solve one painful problem exceptionally well.
Have a project in mind, or want to work together? Send a message.