I just released Stepped Actions, a Rails engine for orchestrating complex workflows as a tree of persisted actions that run through Active Job. It’s extracted...

Envirobly.com is a startup I solo founded and launched in October 2025. It’s a culmination of an intense 3 year work, crafting a platform to...

There are many solutions to the problem of running multiple (web) applications on the same machine, during development. You can use various proxies (puma-dev, localcan,...

Working with the official AWS S3 CLI, as well as tools like s5cmd I quickly realized they aren’t optimized for resource constrained systems, rather more...

I’ve been running into issues, like intermittent crashes, with guard, which is a favorite amongst Rubyists, when it comes to automatically running unit tests on...

Integrated business management web app for a sales company with CRM features. The functionality this Rails app provides is extensive:

This desktop educational software for Microsoft Windows and Mac OS X is built using web technologies—powered by the awesome nw.js platform. I was responsible for...

I open sourced a Rails app that I’ve been personally using for years for simple project management. The code is available on Github under the...

To start 2015 in style, I’ve got a new theme for this website. Build from ground up to put the focus on my portfolio, clear...

I developed this container to solve specific needs and alleviate pain points present when dealing with deployment and administration of MySQL on servers that I manage....

For this project it was important to consider the target audience. Many people in South Africa, especially in schools, use older versions of Windows and...

Soon after I started working with Rails, I wanted to start using my own server environment, instead of a managed hosting. I wanted to be...

This is one of the first projects where I started using Rails in production. EQAFE developed—over the years—from a simple checkout page to sell a single...

DIP Lite is a free e-learning platform. Its fully automated in-browser experience connects the users with a personally assigned “buddy”: an experienced person that overviews...

The goal for this project was to create a presentation which immediately engages the user and allows them to interact with the website and information in...

E-learning project similar to DIP Lite but for more serious and advanced students, providing much more features including credit card payments, commission payouts, file (course material)...

Another project succesfully finished and launched. A simple presentation for a Slovak company providing services for laboratories in construction business. I provided and executed the whole...

I am very proud of this one. Kvalitest - Stavebné skúšobníctvo a geotechnika dates back to around 2007 and as such is among the first...