Portfolio of Bart Olsthoorn

Since 2008 creating web apps for various Internet Agencies.
Also works freelance as a Ruby on Rails developer. Millions have experienced my work; Chances are that you've already seen some of it.


Many TEDx events hosted in The Netherlands but also faraway worlds like Baghdad use a Wordpress theme developed by me.


Boosting a high quality 10-band equalizer, iHearYou is able to improve the quality of your microphone audio.

Nu.nl for iPhone

What started with just a few users is now one of the most famous Apps in The Netherlands.


I study physics and I'm in love with audio processing, so I'm proud to open-source this project. NVDSP allows you to easily apply audio filters to raw audio in iOS.

Get in touch!

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You can also find me on Github.

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