Hyland Helper
Free iOS, Android, and web companion app for Schedule 1.
Indie product studio
MadJag Studios
MadJag Studios builds focused software — apps, game mods, and open-source developer tools — including Hyland Helper, Sanctuary Stash, and Carryover.
Projects
Projects
Apps for players and note-takers, mods for the game itself, and open-source developer tooling built along the way.
Sanctuary Stash
D2R public price checks, item scans, stash tracking, and trade-ready posts on web, iOS, and Android.
Carryover
Private capture-to-delivery productivity for iPhone and iPad.
Something is brewing
Original game · IN DEV · PC / Steam
An original game is taking shape behind the scenes. More to share when it’s ready.
Hyland Helper Bridge Mod
In-game PC mod connecting Schedule 1 to the Hyland Helper companion app.
S1Atlas
Open-source developer-intelligence platform for Schedule 1 mod development. MIT licensed.
Grounded Engineering
Source-backed catalog of practical engineering habits with visible evidence and validation status.
work-bookends
Two drop-in skills for coding agents: start work traceably, close it completely.