Math Crusher

DojoBase

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Building software with purpose.

Black Hawthorn Ventures builds practical software tools for students, security professionals, and communities. We believe great technology should feel effortless — whether you're learning math, securing a network, or running a dojo. One company. Multiple missions.

Building software with purpose.

Black Hawthorn Ventures builds practical software tools for students, security professionals, and communities. We believe great technology should feel effortless — whether you're learning math, securing a network, or running a dojo. One company. Multiple missions.

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Three products. One mission. Software that works for you.

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Solutions we have built

FEATURES

Math Crusher

An adventure game where kids master math by mining, fighting monsters, and defeating bosses - all powered by real Common Core problems for Grades 1–6.

Buy Now $14.99

FEATURES

Black Hawthorn IT Suite

Two tools. One key. Everything you need in the field.

Hawthorn Probe scans your clients' networks for open ports, running services, and known vulnerabilities — and turns the results into a professional report you can deliver the same day. Built for MSPs who need to assess fast, document clearly, and move on to the next client.

Hawthorn NetTrace is your go-to tool for diagnosing DNS issues, validating email security configurations, and tracing network paths — all from a single interface. Run a full domain audit in minutes and export the results for your client or your records.

Buy Now $249

FEATURES

Black Hawthorn DojoBase

DojoBase is a complete dojo management system built for martial arts schools of all sizes — students, attendance, belt ranks, payments, inventory, events, and exams. All from a single fast interface that runs on your computer. Your data never leaves your machine.

Buy Now $199

how it works

How We Build

Simple principles. Serious software.

Simple principles. Serious software.

Purpose-Built

Every app solves one problem well. No bloat, no feature creep.

Security First

Privacy and security are baked in from day one, not added later.

Built for Real Users

We design for the person using the tool, not the person buying it.

Always Improving

Our products ship early and evolve fast based on real feedback.


Accessible Pricing

Professional-grade tools at prices that work for individuals and small teams.

Forever yours.

Lifetime license, no expirations, no contracts no monthly feed just a one time purchase.

Compatible with Windows 10 & 11 · No internet required · Runs offline · Your data never leaves your machine

PRIVACY FIRST

Your data stays yours, always.

Black Hawthorn Ventures protects workspace activity, customer insights, and team data with clear controls, local storage, and transparent access boundaries. We build software the way we wish enterprise tools were built — simple, private, and yours to keep.

Black Hawthorn Ventures protects workspace activity, customer insights, and team data with clear controls, local storage, and transparent access boundaries. We build software the way we wish enterprise tools were built — simple, private, and yours to keep.

No Subscriptions.

Product is a one-time purchase. You buy it once, you own it forever. No recurring fees, no license renewals, no surprises.

Your Data Stays Local

Our desktop apps run on your machine. Your student records, your network data, your dojo roster — none of it lives on our servers.

Independent and Bootstrapped

No investors, no board, no pressure to monetize your data. We build what we want to exist — and we answer only to our customers

Frequently Asked Questions (FAQs)

What is Black Hawthorn Ventures?

Black Hawthorn Ventures is an independent software company based in San Diego, California. We build focused applications across education, cybersecurity, and community management.

Can you custom built an app for us?

Absolutely just email us at info@blackhawthornventures.com for more information.