Building things that solve real problems.
I'm Shanmukhan. I build software products around everyday problems — from helping kids learn and helping neighborhoods trade food, to managing routines, protecting documents, and making shopping simpler.
Shanmukhan
Solo builder of everything on this page.
Every product here is designed, coded, and shipped by one person, end to end — idea, backend, app, and the Raspberry Pi this very page is served from.
Things I've built.
A collection of apps and product experiments, each designed around a specific problem rather than another generic app. Tap a card to visit that product's own site.
SparkCards ↗
Interactive learning cards covering different subjects and topics, designed to turn learning into short, engaging moments that kids can explore at their own pace.
sparkcards.shanmukhan.comEllieEats ↗
A community-driven app for buying and selling food locally. EllieEats connects people who make great food with people nearby who want to discover and buy it.
ellieeats.inNirvana ↗
A simple daily reminder app for routines such as Dhyana, exercise, drinking water, and other habits you don't want to forget. One place for the small things that keep your day on track.
nirvana.shanmukhan.comVaultZero ↗
A privacy-first document vault designed to keep your important documents stored locally instead of depending on a remote cloud service. Your files stay under your control.
vaultzero.inNexaLink ↗
A product built around making the journey from discovering a product to finding it on Amazon.in simpler and more convenient. Built to reduce the friction between product discovery and purchase.
nexalink.shanmukhan.comComing soon.
What's next on the bench — still wiring things up, not live yet.
Robo Car
A small, hackable robot car project — camera-driven navigation and remote control, built on an ESP32 for motor/sensor control and a Raspberry Pi for the heavier compute (vision, streaming). Domain and demo coming once it's off the breadboard.
Your investing workspace.
Open your private tools. Services run automatically on the Raspberry Pi.
Agentic Trader
Unlock with your operator token to review saved paper accounts, research and guarded controls. Fresh data and broker setup are checked inside.
Open Agentic Trader →Portfolio Advisor
Sign in with your RPi Monitor username and password. Check the dashboard's demo/live status and data freshness before using its research.
Open Portfolio Advisor →Opening a tool does not place a broker order. If a page is unavailable, check its service in RPi Monitor. Service status and market-data readiness are separate.
How I build.
The products are different, but the idea behind them is consistent.
Start with a real problem.
The product comes after the problem. I prefer building something useful over building something merely because the technology is interesting.
Keep the experience simple.
Software should remove complexity, not introduce it. The best feature is often the one the user never has to think about.
Build, test, improve.
Ideas are cheap. Working software exposes what actually matters. Each product is an opportunity to learn and iterate.
Privacy matters.
Where sensitive information is involved, control should stay with the user. VaultZero is a direct example of that principle.