Software development and operations for SMEs
I develop web applications, internal tools, customer portals, SaaS replacements, and dashboards. From concept to stable operation in the cloud or On-Premises.
Own Products & Tools
Besides client projects, I develop and operate my own software products and a few online tools.
SimpleDMS
Easy-to-use open source document management system for small businesses (external link).
CardHub, the digital business card
A website optimized for mobile devices as an alternative to a printed business card (external link, German only).
Sitemap Generator
Generate XML sitemaps for your website directly in the browser.
Link Checker
Find broken links, images, and videos on your website.
On-Page SEO Sidebar for Chrome
Check structured data, metadata, canonicals, and hreflang in the browser.
QR Code Generator
Create QR codes with your own colors and logo in the browser.
PDF Tools
Merge, split, and extract PDF pages in the browser without uploading (external link).
Do you need your own internal tool or a custom web application? The «Software development and operations» page has more details.
Services
Internal Applications & Tools
I build internal applications that make recurring tasks easier for your team and fit the way they work.
Customer Portals
I build portals where your customers can find information, submit requests, and complete tasks themselves.
SaaS Replacements
I replace existing SaaS applications with custom software built around the way you work.
Spreadsheet & Excel Replacement
I replace Excel files and other spreadsheets with a web application your team can work in together.
Legacy App Modernization & Replacement
I modernize older applications in stages or build a replacement when updating the existing software no longer makes sense.
Dashboards & Reporting
I build dashboards and reports that bring relevant metrics together and present them clearly.
From Prototype to Production
I develop your prototype into an application you can use reliably in your day-to-day work.
On-Premises & Cloud Operations
I run your web application on your own infrastructure or in the cloud, including updates, monitoring, and backups.
Selected References
The following projects give an insight into my work on web applications, internal tools, and my own software products.
HR software
Planning and development of an extensive SaaS application, including infrastructure.
Document management system
Multi-tenant DMS for small businesses, On-Premises and as SaaS.
Legacy modernization
Modernization of the user interface of a time tracking software that was more than 20 years old.
Link Checker and Sitemap Generator
Own tools with more than 50,000 active installations at their peak.
About Me
My focus has been on websites and web applications since 1999. I have been self-employed since 2007 and work directly with small and medium-sized businesses as well as on my own products.