Software we build
Practical software built by 64 Technologies — tools we made for real work, and made available. The same team that builds these builds web apps and tools for local businesses.
Forkdoppler
In private beta — access is invite-only while we test and refine it. Take a look at what's coming.
Visit Forkdoppler →EngiNote
The engineer's private notebook — buy it once, it's yours for good.
Take Markdown notes and run 115+ engineering calculators across 11 disciplines — electrical, mechanical, structural, civil, chemical, thermal, nuclear, systems, reliability, and IT — side by side, then drop any result straight into your notes. Includes a unit converter, subnet calculator, and a custom-formula builder. Runs 100% in your browser: no install, no account, no cloud — your notes never leave your device. One file you own outright — no subscription, and no login that can ever lock you out.
- Buy once — yours for good. No subscription, no account, ever.
- 115+ calculators across 11 engineering disciplines
- Markdown notebook with live preview, search & tags
- Unit converter, subnet calculator & custom-formula builder
- Works offline forever — private by design, nothing leaves your device
Need something like this built?
The same team that ships these products builds web apps and custom tools for local businesses. If you've got an idea, we can build it.