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Salzburger Nachrichten article, April 14 2026: Er hat die Spritpreise genau im Blick
26 April 2026

Agentic Software Development: How Petroly Shipped Ahead of Schedule

A few weeks ago, the Salzburger Nachrichten ran a story about my fuel price app. I woke up to more messages than I could count. Readers had either newly discovered the app, existing users asked what…

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All articles

  • Spritpreise Deutschland: Analyse März 2026. Eine vertikale Infografik, die den dramatischen Anstieg der Dieselpreise seit Anfang März visualisiert, ihn mit dem Rohölpreis vergleicht und Deutschland als teuerstes Land im Europa-Vergleich zeigt.
    6 March 2026

    Datenanalyse: Wie die Nahost-Eskalation den (deutschen) Spritmarkt in nur einer Woche verändert hat

    Die Lage an den Tankstellen ist gerade brutal. Insbesondere in Deutschland. Ich habe mir deshalb die Daten der letzten Tage genauer angeschaut und visualisiert, um die…

  • Android Auto - List View
    10 January 2026

    Spritpreise Deutschland

    I always like to use the Christmas holidays (this time I treated myself to almost three weeks off) to push my private software projects forward. It's the perfect opportunity to…

  • tanken.fyi: Fuel Prices in 2023
    11 January 2024

    Spritpreise Österreich: A turbulent year at the gas pump! (2023)

    A turbulent year at the gas pump! 2023 was a true price dance at the gas stations in Austria. This infographic from my website https://tanken.fyi captures the wild ride of diesel…

  • 8 July 2022

    Comparison of fuel prices in Austria by federal state

    The new update of my app Spritpreise Österreich contains a federal-state comparison with the average prices per Bundesland. It also shows the currently cheapest and most…

  • Spritpreise AT: Clever Tanken
    8 June 2022

    Spritpreise Österreich - Die ultimative Tankstellen-App

    I use my new app Spritpreise Österreich not only when refueling my car, but also to calculate some statistics behind the scenes. The past few days I was looking into a…

  • Features-40
    8 March 2022

    Public Toilets in Vienna adds search option for hand disinfection and goes viral

    Acting together to fight the coronavirusI have updated my app Public Toilets in Vienna with great data from the City of Vienna, which enables my app to show opportunities for…

  • Bitcoin Monitor for Android: 10k installs in May 2020
    18 July 2020

    Bitcoin Monitor has reached 50k installs on Android

    While my free app Bitcoin Monitor started mostly with iOS users, it recently saw exponential growth with 10.000 new users in a single month and more than 50k installs as of May…

  • 31 May 2020

    Stencil Web Components in React with generated React wrappers and bindings for TypeScript

    Use Stencil components in React with generated React wrappers and typings for efficient use with TypeScript and TSX

  • Stock Watch FAANG Signals During Covid-19
    7 April 2020

    Stock Watch FAANG Signals - Volatility during COVID-19

    Since the outbreak of COVID-19 Stock Watch FAANG Signals has seen tremendous momentum in the stock market. This picture of yesterday's close is just one of many examples of the…

  • Public-Toilets-in-Vienna
    23 September 2019

    Public Toilets in Vienna

    Open Government DataWho would have thought? Our government in Vienna uses various blockchains (Ethereum, Bitcoin, Litecoin) to store timestamps & checksums of all Open Government…

  • Quick wins for your Ionic Angular App with ES2015
    18 May 2019

    Quick wins for your Ionic Angular App with ES2015

    Originally posted at: Medium You may have heard about differential loading. It’s an upcoming feature of the Angular CLI 8 and it creates separate bundles for ES2015 and ES5:

  • Citybike Vienna time lapse video
    23 March 2019

    Citybike Vienna ❤️ Warm Temperatures

    I used Open Government Data to create a time-lapse video showing bike rentals from Vienna’s Citybike stations. Intro:Original Blog Post: Vienna ❤ Citybikes @MediumThese rental…

  • Visit Bitcoin Monitor at https://bitcoinmonitor.app
    29 December 2018

    Visit Bitcoin Monitor at https://bitcoinmonitor.app

    Bitcoin Monitor has moved to: https://bitcoinmonitor.appThe new website has a PageSpeed score of 100 points and got 2 new features since the last update:☆ Trade Signals☆…

  • Stock Watch: FAANG Signals
    16 December 2018

    [New App] Stock Watch: FAANG Signals

    This app gives you insights into the stock price and performance of NASDAQ's top tech stocks and calculates real-time trading recommendations for Facebook, Apple, Amazon…

  • Wassertemperatur in Österreich - 4 Messwerte
    20 July 2018

    Summer is calling: "Wassertemperatur in Österreich"

    Summer is calling! That's why I created a new app that visualizes the water temperatures of all Austrian lakes, rivers and reservoirs on Google maps. It provides information…

  • Citybikes: Radfahren in Wien
    21 May 2018

    Citybikes: Radfahren in Wien

    Citybike Wien is a bike-sharing service where you can rent bikes for free for one hour. It is the cheapest and most eco-friendly choice to travel through Vienna. There are…

  • Crypto Coin Check v1.0
    4 April 2018

    The Evolution of Bitcoin Monitor: Crypto Coin Check

    I'm happy to share with you my broader vision of Bitcoin Monitor, my new app Crypto Coin Check. Crypto Coin Check expands on the concept of real-time price monitoring across…

  • Bitcoin Monitor iOS App
    20 January 2018

    Bitcoin Monitor with Real-Time Prices

    Bitcoin MonitorI created a little app for comparing cryptocurrency prices from Kraken, Coinbase, GDAX, Bitfinex, Bitstamp, Bitpanda & Coinfinity! It has support for Bitcoin…

  • Multiple subscribers to a single RxJS Observable
    18 October 2017

    On the subject of RxJS: multiple subscribers to a single Observable

    A while ago, I answered this question on StackOverflow regarding multiple subscriptions to an RxJS Observable. As with everything else of RxJS, the answer is simple and elegant…

  • Browser Market Share in Austria
    30 November 2016

    Browser Market Share in Austria

    I recently took a look at the Austrian Web Analysis' statistics of browser market share in Austria, which provides an evaluation of page impressions of participating Austrian…

  • Debuggable Browser for Android
    9 June 2015

    Debuggable Browser for Android

    Debugging the Android native browserA couple of months ago, I created a small but handy Android app that enables developers to run their web apps inside the Android stock browser…

  • Kapsch Award David Pertiller
    30 December 2014

    Award for outstanding achievements

    Photo rights: Moni FellnerIn 2014, I was able to complete both of my Master's degrees with highest honor and even got an award by Kapsch - one of Austria's most successful…

  • S
    10 October 2013

    Speaker at PTC Live Stuttgart 2013

    I'm happy to announce that I'm a speaker at the PTC Live conference in Stuttgart this November. The talk is about new visualization concepts for software projects which utilize…

  • F
    1 October 2013

    Fixing: Error executing command 'ant' on Mac OS X 10.9 Mavericks

    Today I stumbled over an unexpected problem when trying PhoneGap/Cordova with Mac OS X 10.9 Mavericks. Building a project for iOS went just fine, but building for Android wasn't…

  • R
    25 February 2013

    Request: Data of Business Projects for Master Thesis

    In my master thesis, I'm aiming for a better management of complexity of business projects by dedicated and context-driven visualizations. These visualizations are going to be…

  • Up-And-Running
    24 February 2013

    Up and running!

    The good thing is, I took the time and jump-started this site during a week off in February 2013. I always thought about having a website on my own since this seems mandatory…

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