Preflop Ranger
Position-aware preflop ranges for Texas Hold'em — visual, editable, synced. Free tier with bundled defaults; Premium adds custom stacks, cloud sync, and persistent profiles.
Knight Laboratories
Software tools, thoughtfully built. We design and ship apps and utilities across educational, productivity, and reference categories.
A small lab building useful software.
Knight Laboratories is an independent software studio. We build a range of applications for the web, for Android, and for the desktop — each one focused on solving one problem well. No subscriptions you forget you have, no dark patterns. Just tools that earn their place on your home screen.
Preflop Ranger
A focused study tool for Texas Hold'em players. Visualize and sharpen your preflop ranges across positions, stack depths, and scenarios. Web app + Android, with cross-device cloud sync.
More tools, on the way.
We have a backlog of utilities and reference tools in early design and prototyping. We don't pre-announce — they ship when they're ready. If you're curious about what's next, drop us a note.
Educational tools
Study aids for skill-based domains where decisions matter and quick reference saves time.
Productivity utilities
Small focused apps that do one thing well, without the bloat of a full suite.
Reference applications
Domain-specific data tools that turn dense information into something you can scan in seconds.
Get in touch.
Bug reports, product feedback, partnership inquiries, or just to say hi.
knight.patrick.m@gmail.com