Card Show Club
The modern operating system for the sports card show economy. Bridging physical show floors and the digital hobbyist.
Portfolio Co. · Est. 2026
Software distilled
to its essence.
dprplx builds a focused portfolio of software products. Each one shaped by a single principle: the beauty of simplicity.
Philosophy
The beauty of simplicity
is that it is the hardest
thing to achieve.
We don't build features. We build experiences — stripped back to what matters, precise in every detail.
dprplx was founded on the conviction that the most powerful software is the kind that gets out of your way. Restraint is not a limitation. It is an art form.
Portfolio
A growing portfolio of
focused software.
Kaboom Exchange
A trading-grade bid/ask order book for Panini Kaboom! cards. The market exists. Now it has a home.
Demo Mode
kaboomexchange.com →Slab CFO
Personal finance built for the serious collector. Know what your collection is really worth — and what to do about it.
Waitlist
slabcfo.com →Contact
Let's talk.
For partnerships, press, or investment inquiries.