With the Add to Calendar Button, we created a big hit in the open source world. But is it really open source? When it comes to licenses, people usually start big fights about that. With the mentioned project, we finally went with the Elastic License v2 and are now no longer…

You might use wireframes for initial product concepts and ideas. That’s just fine. However, they are very problematic, if you stick to them for too long; or if you use them at a stage later then the very initial ideation. But first, some words about the big brother here: High-fidelity…

In 2014, we tested the first version of our market research software Placedise with many potential clients and partners. There were many interesting insights and also new discoveries, which pushed us to some pivoting and the next version. However, those very early learning were quite special and could help others…

Placedise — Story of a failed Startup. — In 2014, I founded my startup Placedise. It failed as a business, but came with crazy adventures. This is a quite long article, but provides you with the whole story. A slightly shorter version has been published before via “Entrepreneur’s Handbook”. What to expect Be prepared to learn a lot about doing the…

Placedise — story of a failed startup — In 2014, I founded my startup Placedise. It failed as a business but came with crazy adventures. What to expect Be prepared to learn a lot about doing the right things but still not getting to good product-market-fit. Experience the hard founders-without-rich-parents story. No sugar-coating, just the brutal truth. A story spiced up…

Welcome to my PHP Microsite Boilerplate! — Around 1.5 years ago, I built a boilerplate to enable developers, creating microsites with PHP from scratch in a very short time, while making no compromises regarding performance (Lighthouse score of 100, baby 😎), security, and SEO (see the original story here). Since then, a lot of updates and upgrades…

TLDR; I’ve created a simple and free JavaScript snippet, which generates beautiful add-to-calendar buttons — and can be operated by basically anybody. ⚠️ Stop! There is a new version out! If you want to jump directly to the new V2, you should continue with the latest article at: Implement an Add to Calendar Button in under 1 Minute The all new version 2 of the popular open-source script!medium.com

I most recently took the challenge to design and build a new website for Bitrock Digital Partners. Besides a lot of product marketing, sales, and user flow requirements, it should be lightspeed fast, not require a lot of maintenance, still be secure as a fortress, and still easily editable and…

Optimizing digital product design with real-world observations — When you build digital products, you usually make a lot of assumptions about the people using it. Often, those assumptions turn out to not work the way you thought of; and it is even harder to uncover why this is the case. …