Open source is not just heart for a thousand companies, but a way how engineers, artists, mathematicians, and other creative people can express themself, bring fresh ideas, and makes our world a little bit better and brighter.

While being in different roles I learned and researched some cases that could be helpful for other people. A distilled and prepared knowledge was prepared as several articles in two languages. Feel free to leave a comment.

One of the greatest philosophers Socrates said: “I don’t know anything, but others don’t know even that”. We can’t know everything, but we can continuously learn more and more information. The problem is how to prove it. Certification offering a convenient but not ideal way for that.

I spent some time collecting such certificates for the selected areas of my knowledge, however they are not covering all fields.