§ 02 — SELECTED WORK

Things I built.

Independent open-source projects under my own name. Not client work — visible, dated, attributable. The portfolio you see is the portfolio you get.

FIG 1.0

stk

AI-NATIVE TOOLKIT · 2026

An opinionated toolkit for building, testing and shipping AI agents. Workspaces, evaluation harness, structured outputs — designed for teams that ship.

PythonAgentsLLM Evals

stk.dev →

FIG 1.1

Enferno

WEB FRAMEWORK · 2014 →

AI-native Flask framework. 800+ GitHub stars. Production scaffolding for serious applications — auth, admin, jobs, RAG.

FlaskPythonPostgres

enferno.io →

FIG 1.2

ReadyKit

SAAS STARTER · 2024

A SaaS starter kit on top of Enferno. Authentication, billing, admin, teams — every boring milestone shipped.

FlaskStripeTailwind

readykit.dev →

FIG 1.3

OpenStadt

CIVIC TECH · 2025

Independent civic-tech project mapping public infrastructure equity across German cities. Open source, open data.

Open DataMappingPython

openstadt.org →

FIG 1.4

ZigLag

OSS INVOICING · 2025

Self-hosted invoicing software built on the stk framework. MIT licensed. Replaced three SaaS bills in my own workflow.

stkSelf-hostedMIT

ziglag.com →