Dragon Ring
Live SaaSHosted tournament scheduling SaaS — brackets, mat assignments, and day-of operations for martial arts events.
Open Dragon RingA studio for AI-native tools, real apps, and free utilities
Shipped & accessible
Live products you can open today
YourAmaryllis operates production software — web apps, mobile apps, and open-source releases with working interfaces. No staging login required; links below go directly to live apps or public downloads.
code-crew
Open source · CLIOpen-source virtual AI development team (AGPL-3.0) — installable CLI with live terminal demo on the product page.
View product & demoCloudMount
Open source · DesktopMIT-licensed desktop app — mount S3, Wasabi, Proton Drive, and other rclone backends as a local folder.
Download releaselit
Open source · macOSMIT-licensed macOS menu bar app — battery alerts, health data, and Bluetooth device battery levels.
Download releaseOff Script
Mobile appMobile app for couples — E2EE compatibility questions, insights, and Love Bank on iPhone and Android.
View Off ScriptIn active development
Product overview and waitlist — the app interface is not launched yet.
CastFlow
In developmentMulti-persona demo generator in active development — browser orchestration, narration, and human-in-the-loop refinement. Early access waitlist open; app not live yet.
View CastFlow overviewThreadPool
WaitlistTopic-first work graph: tray, Ask, people, and a live meeting HUD. Encrypted on your devices. Mac, iPhone, Windows, Android. Waitlist open.
Join the waitlistAI Studio
Agentic workflows for building and showing software
CastFlow
In developmentMulti-persona demo generator
Orchestrate live browser sessions, generate narration, and produce polished product demos with human-in-the-loop refinement.
Learn more →code-crew
Virtual AI development team
CrewAI agents for the full SDLC — sprint planning, architecture, BDD, security review, and Definition of Done.
Learn more →Apps
Product software with thoughtful AI where it helps
Dragon Ring
Hosted tournament ops
Hosted tournament software for martial arts and combat sports — brackets, smart schedules, and live day-of updates.
Learn more →Off Script
Private compatibility for couples
End-to-end encrypted relationship app for iPhone and Android — compatibility insights, shared questions, and Love Bank.
Learn more →ThreadPool
WaitlistYour work, already clustered
Topic-first work graph on Mac, iPhone, Windows, and Android. Slack, Jira, GitHub, mail, and docs as one topic. Tray all day, live HUD on the call, no meeting bot. End-to-end encrypted.
Learn more →Tools
Free open-source utilities from the workshop
CloudMount
MIT · FreeCloud storage as a local drive
Mount any rclone backend — S3, Wasabi, Proton Drive — as a folder on macOS or Windows. Tray icon, web UI, Keychain secrets.
Learn more →lit
MIT · FreemacOS battery monitor
Menu bar app with custom alerts, health data, Bluetooth device battery, and charging lifecycle notifications.
Learn more →Operational transparency
Who builds YourAmaryllis
YourAmaryllis is an independent software studio. Founder and engineering leadership are listed here with verifiable third-party profiles — not placeholder team pages.
Arthur Tsang
Founder & Chief Architect
Software engineer and founder of YourAmaryllis. Builds ThreadPool, CastFlow, code-crew, Dragon Ring, Off Script, CloudMount, and lit — shipping production software on Vercel, Supabase, and Google Cloud rather than demo-only landing pages.
- LinkedIn (public profile): linkedin.com/in/arthurtsang
- Contact: arthurtsang@youramaryllis.us
- Support: support@youramaryllis.us
One studio, five live products — two in development
Everything here shares the same engineering discipline — shared Supabase infrastructure, Vercel deployments, Google Cloud AI, and interfaces you can verify from this domain. Explore each product lane above or jump straight to a live app from the list at the top.
Questions? arthurtsang@youramaryllis.us