THE SILICON HARBOR STACK
Entering the harbor
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The Silicon Harbor Stack

The Silicon Harbor Stack: BUILD YOUR STACK.

Precision-built software for people who mean business.
Explore the bundles The Sigil Collection
Scroll to enter the store
Spooky Season Sale: selected Silicon Harbor Stack apps are 10% off until Halloween
▼ Level 01 to 02
The Bundles: prebuilt stacks hand-designed for the workflows we run constantly around the studios. Spooky Season pricing.
▼ Level 02 to 03
// the flagship line

THE SIGIL COLLECTION

A family of focused Mac tools that share one design language and one philosophy: own your tools, own your data. Take the flagships, a whole bundle, or any app on its own.

$999
The flagships

SIGIL GOLD

Workprint, DriftGate Studio, SigilCanvas, Moonbridge Studio, SigilTopsheet and SigilNotes, in one box.

$2,000
Membership

BUY THE STORE

Every app, plus everything we release through December 31, 2027. The Founders Pack.

// à la carte
▼ Level 03 to 04
// silicon harbor labs

SHL APPS

// glowstick bay studios

GBS APPS

Studio-grade software from the film side of the house, including GBS Theater, a personal media server of your own, currently in the build.

Next stop

ANOTHER HARBOR AWAITS

New tools land every season. Build your stack and keep it growing.
Silicon Harbor Stack is a subsidiary of Glowstick Bay Studios, a Baylight District Group company.
© 2026 Glowstick Bay Studios