---
title: "Projects"
url: "https://divergenz.ch/projects/"
language: "en"
description: "Explore Divergenz’s selected projects and prototypes, from software and creative tools to documents and AI-assisted workflows."
---

# Projects

Selected interaction design projects. We bring research, design, and working
prototypes together to develop digital products and tools.

## Piary: exploring the interface between people and agents

[Piary: exploring the interface between people and agents](https://divergenz.ch/projects/piary/)

A document editor where people and AI agents write, revise, and run code on one page. Edit earlier prompts and save your work as Markdown.


## Zaitgeist: a bookkeeping agent for Swiss companies

[Zaitgeist: a bookkeeping agent for Swiss companies](https://divergenz.ch/projects/zaitgeist/)

An AI agent for turning receipts and bank statements into bookkeeping entries, with questions when details are missing and records you can review.


## Zoptimizer: testing improvements to a bookkeeping agent

[Zoptimizer: testing improvements to a bookkeeping agent](https://divergenz.ch/projects/zoptimizer/)

A workflow for finding repeated work in Zaitgeist and testing changes against both processing time and bookkeeping quality.


## Spielwerk

[Spielwerk](https://divergenz.ch/projects/spielwerk/)

A Rust-powered workspace for generative design. Adjust rules to create patterns and motion, preview changes live, and export your artwork.


## Was wissen sie?

[Was wissen sie?](https://divergenz.ch/projects/waswissensie/)

An online service for data access requests in Switzerland: find an organization, add your details, and download the request as a PDF or have it sent by mail.


## ControlMi

[ControlMi](https://divergenz.ch/projects/midi-controller/)

An iPhone MIDI controller prototype for Ableton Live, with adjustable touch controls and input through tilt or eye movement.