Products
Instruments for human flourishing, by Tortoise.
Diane
by Tortoise
AI executive assistant. Invisible defender of your consciousness, creativity, and purpose. Diane manages your schedule, priorities, and context so you can focus on what matters.
Neume Composer
by Tortoise
Compose with intention. A chord progression tool that thinks in scale degrees, with built-in music theory, voice leading visualization, and AI-powered harmonic analysis.
Boxwood Chess
by Tortoise
Mindful chess training, crafted with care. A peaceful tactics trainer for pattern recognition, inspired by Polgar's 5334 Problems. No ratings anxiety, no time pressure.
Steady
by Tortoise
Exposure therapy, organized. A shared workspace for patients and therapists doing ERP — so the hard work stays focused on treatment, not organization.
When
by Tortoise
Meeting scheduling without the back-and-forth. Share a link, let invitees submit their availability, and find the right time — no accounts required for guests.
Jig
by Tortoise
Spec-driven AI development orchestration. Write feature specifications, decompose them into tasks with AI, and execute with verification gates — bridging human planning with autonomous code execution.