Hi! I'm Jonas Bark - a software developer based in Stuttgart, Germany.
My work ranges from App Development over Frontend to Backend.
App Dev: Android | iOS | Flutter | Kotlin | Kotlin Multiplatform | Java | Swift | Objective-C | Dart
Backend: PHP | Firebase | Spring Framework
Frontend: Angular | TypeScript | Vue.js
Contact / Disclaimer
News
28.07.2016
Another redesign. Now with more Material Design.
12.12.2014
Added more Android Apps for Android Wear devices - available from Play Store.
05.11.2013
Cleaned up the site. Added some more Android & iOS project I am/was working for.
11.04.2012
Added Jaumo - an Android App for the german community Jaumo.
13.11.2011
Added GMusic - Menulet for Google Music to be used in MacOS.
20.03.2011
Added bNotes - a simple notes taking app for Android.
10.02.2010
Refreshed the whole site, added more content like Windows and Android software.
06.11.2009
Mat Ripley kindly released a Code Generator for every YadaByte program.
15.11.2008
No update for years, as I don't use Psion anymore. I will keep the site up for the small amount of remaining Psion users!
18.08.2006
Bought an exclusive Domain and concentrated all files to it. Dead links should be fixed...
07.08.2006
Created a Psion File Archive.
06.08.2006
Converted the Pscience5 Apps List with its Links (looks bad, I know...)
28.03.2006
Moved the whole page again and created a blog.
26.03.2006
Worldfreeweb went down --> used another Host (where my Clan-HP is also located).
25.01.2006
Created a workshop about PsiROM (English)
29.12.2005
Translated the whole Page...
28.12.2005
Added an Article about OS-Modification
27.12.2005
Uploaded some Funny Psion-Pics, besides changings in Design (@Menu)
21.11.2005
Created a Page for Links
07.11.2005
Installed a new Design...
19.09.2005
New Page for Funny Psion Pics :-). And I updated my crappy Program MySounds
11.08.2005
Updated the Psion Page and the LED-Macro, added two Databases.
19.09.2005
New Page for Color Icons links
05.04.2005
New Page for Updates!
27.03.2005
First publification of TankWar from Henner Kessler
12.03.2005
Major update: Webspace-Change, Downloads directed to worldfreeweb.com
31.01.2005
Martin from Pscience5.net added my Macro LED on his page :)
22.01.2005
Uploaded new Versions of MySounds and LED