nualsolutions

DAVID NÚÑEZ ÁLVAREZ / SOFTWARE ENGINEER

Useful software.
Built from
real life.

I'm David, a software engineer building independent projects for everyday problems. Nualsolutions is where those projects live.

Explore the projects More about me
PROJECT SPOTLIGHT01 / 03
CasaTabHome purchase cost tracking
Live
CasaTab dashboard with total home costs, a category breakdown, and monthly spending
The full cost of your home. In one place.
FolioStocksPrivate investment tracking
Live
Oefenlab NLA project for learning Dutch
In progress
INDEPENDENT SOFTWAREPERSONAL PROJECTS. PRACTICAL PURPOSES.

01 / SELECTED PROJECTS

What I'm building.

Different problems.
The same care in the details.

01 / HOME & FINANCESLive project

CasaTab

Know what buying
your home really costs.

Track the costs of buying a home—from the down payment to the furniture—with your mortgage and documents alongside them.

I built it while buying my own home, when spreadsheets stopped being enough.

Visit CasaTab casatab.com
CasaTab’s dashboard on a phone
THE PRODUCT / DESKTOP + MOBILEActual application screenshots
See every cost

Group purchase expenses by category and see who paid what.

Understand your mortgage

Track repayments and compare mortgage scenarios.

Keep the paperwork together

Store contracts and receipts alongside the expenses they belong to.

02 / INVESTMENT TRACKINGLive project

FolioStocks

Your broker statements.
Your portfolio, explained.

Folio is a desktop portfolio tracker for Mac and Windows. Import your broker statements to see your holdings, investment performance, and dividend income together.

Your ledger stays on your computer. No account or broker login required.

Explore FolioStocks foliostocks.com · macOS & Windows
IMPORT → VERIFY → UNDERSTANDLOCAL LEDGER
THE PRODUCT / DESKTOP APPLICATIONActual screenshot · demonstration data
Import broker statements

Bring your trading history together from spreadsheets, exports, and PDFs.

Verify the numbers

Check imported transactions against the totals printed on each statement.

Understand performance

Explore returns, benchmark comparisons, and dividend income.

03 / LANGUAGE LEARNINGIn progress

Oefenlab NL

A dedicated space
to learn Dutch.

A personal project focused on learning the Dutch language. Currently in development, with more to share as it takes shape.

In development
Not publicly available yet
OEFENLAB NLNEDERLANDS
Hallo Hello.
LEARNING A NEW LANGUAGE.
OPENING UP A NEW WORLD.
LANGUAGE LEARNING / IN DEVELOPMENTProject identity

02 / ABOUT

DAVID NÚÑEZ ÁLVAREZ

Software engineer.
Independent builder.

Nualsolutions began as the name behind my freelance work. Today, it's the home for my own software projects.

My focus is on practical tools: keeping a home purchase organised, understanding an investment portfolio, learning a new language, and exploring what useful software can make easier.

Professional background on LinkedIn

CasaTab dashboard

Actual application screenshot

Full-size CasaTab dashboard displaying a total house cost of 124,468.10 euros, category totals, and monthly spending