90+ agility ladder drills as numbered step diagrams and animations — tempo slider, click per step, training plans with templates, print/PDF. German and English.

A little website that shows the best webcams in hamburg without any ads.

Checks the listings of Hamburg housing cooperatives every five minutes and posts every new, changed or vanished flat to a Telegram group. Exactly once, with a weekly sign of life when the market is quiet.

Everything for a flat search in one place: a personal application page, a printable poster with tear-off strips, the tenant self-disclosure with all documents as one PDF, and the forms for moving in. One link feeds every tool. No sign-up, nothing stored.

API & AI access: https://d-solve.de/projects/apartment-search/llms.txt (instructions for AI agents, OpenAPI, MCP server).

A little website for sending Valentine's Day greetings — edit it right in the live preview and get your finished link to send.

API & AI access: https://d-solve.de/projects/valentine-captcha/llms.txt (instructions for AI agents, OpenAPI, MCP server).

An app that reads children's books aloud.

An educational website for students to understand how neuronal networks and backpropagation work.

A complementary website to a coding days at a school.

A zoo website where each student programmed a page about an animal.