HourHackLive
Mobile utility
A simple, ad-free time calculator for time differences, date differences, and time zone conversions.
Apps
Mobile apps, web apps, and developer tools built by Rosenbergs LLC.
RegistroPreparing
Private location history app
A local-first location-history app that stores GPS history on device, supports background tracking, daily route review, trips, import from Google Timeline, and export to JSON, GPX, and KML.
SEPTA TrackerPlanned
Transit tracking app
Live SEPTA vehicle tracking for Regional Rail, subway, trolley, and bus routes using SEPTA public endpoints, map views, route selection, and live refresh.
Fitness AppLive
Fitness training management platform
A public-facing trainer and trainee fitness platform. Trainers create training plan templates, assign plans, manage trainees, and monitor progress. Trainees view assigned plans, complete sessions, and log body metrics.
Planet OpsPrototype
DevOps automation
A deployment automation product concept for connecting GitHub repositories, deployment infrastructure, payments, and server operations.
SocialiteXArchived
Social location app
A social mobile app prototype involving profiles, friends, map markers, location posting, notifications, profile photos, and support workflows.
App Store Preview CreatorInternal
Developer tool
A local web tool for capturing iOS Simulator screenshots, selecting screenshots, resizing them to App Store preview dimensions, and exporting PNGs.