Belt

Software Studio

We build software.

Digital product development, tools, and systems. From concept to production.

What we've built

Active apps, public tools, and projects in development.

Personal finance

CapyLite

Simple spending and cash flow tracker without sharing banking access or card details.

Mobile AI

tBelt AI

On-device language model runtime for mobile devices.

In development

Digital companion

Pet Agents

Mobile companion with autonomous agentic capabilities.

In development

Protocol & CLI

Auditor/Executor Protocol

Two-role protocol and CLI tool to scaffold, audit, and run multi-phase agent tasks.

Framework

Agentic SDD Framework

Specification-driven development architecture for software built with AI assistants.