SEDX, LLC
Doing business as RLTW.
SEDX, LLC builds focused mobile reference and training apps — pocket-sized field manuals, professional reference, and team-coordination tools. Built for people who need answers fast, offline, and without distraction.
Military & Service
Ranger Handbook
The Ranger Handbook (TC 3-21.76), interactive and offline. Field-ready for tactical reference.
Cadet Handbook
Bugle Notes and cadet knowledge — study, search, and recite. Built for cadets, by the standard.
Army Survival Manual
The complete U.S. Army survival field manual — searchable, offline, and built for the field.
Coming Soon
Army Infantry Handbook
The Infantry branch handbook — tactics, weapons, and small-unit doctrine, offline and field-ready.
Coming Soon
Army Armor Handbook
The Armor branch handbook — mounted maneuver, gunnery, and combined arms reference.
Coming Soon
Army Aviation Handbook
The Aviation branch handbook — rotary-wing operations, aircrew coordination, and air-ground integration.
Coming Soon
Army Field Artillery Handbook
The Field Artillery branch handbook — fire support, gunnery, and targeting reference.
Coming Soon
Army Medical Handbook
The Medical Corps handbook — combat casualty care, TCCC, and field medicine reference.
Coming Soon
Army Military Police Handbook
The Military Police branch handbook — law enforcement, detainee operations, and security reference.
Coming Soon
FM Library
A searchable library of U.S. Army Field Manuals and doctrinal publications, all in one place.
Coming SoonProfessional & Civilian
Video Timer
Record video with a live stopwatch overlay and split times. Built for athletes and coaches.
Coming Soon
Helicopter Pilot
The FAA Helicopter Flying Handbook with flashcards, checklists, and study tools.
Coming Soon
Coxswain HQ
Navigation Rules, Boat Crew Seamanship, signal codes, and PQS reference — fully offline.
Coming Soon
MUTCD 11th Edition
The FHWA Manual on Uniform Traffic Control Devices, with a searchable library of all 945 signs.
Coming Soon
Robert's Rules
Robert's Rules of Order with a motion finder, voting calculator, and meeting timer.
Coming Soon
Abrahamic Reader
Read the Bible, Torah, and Quran side by side, with cross-referenced passages across all three.
Coming SoonTrackHQ
Track & field meet management with live results — modern, fast, and built for the sport.
Coming Soon