A non-exhaustive list of projects I have worked on in 15 years of coding.
| Project | When | Description | Tech | What happened? |
|---|---|---|---|---|
| Megahit | 2023 - today | Newsletter enrichment software | TypeScript, React, Electron | Happy users :) |
| Terminal Tutor | 2023 | Interactive site to learn the terminal | TypeScript, React | Used by universities and schools |
| Terminal Temple | 2023 | Online terminal simulator | TypeScript, React | Actively used |
| BrainDuo | 2023 | B2B site like Terminal Tutor for learning ChatGPT | TypeScript, React, Node.js, OpenAI API | No demand, shut down |
| Mostly Ice Cream | 2023 - today | Companion page for the Mostly metrics newsletter | HTML, CSS | Going strong … |
| CheckoutBreeze | 2022 - 2023 | Chrome extension to automate Shopify test purchases | JavaScript | Used by 50+ weekly active users |
| Handclaps | 2021 - 2022 | Video editor for hip hop producers | C++, Qt/QML | $4,000 revenue, shut down |
| Logograb | 2022 | Chrome extension for finance professionals | JavaScript | Shut down |
| Tanzfinder | 2020 - 2022 | Web app for finding dance partners during COVID | TypeScript, React, Node.js, PostgreSQL | Shut down |
| nikwen.de (this website) | 2020 - today | My personal website | HTML, TailwindCSS | Going strong … |
| Guardian | 2020 | Website uptime checker | TypeScript, React, Node.js, PostgreSQL | Unreleased, but working |
| E-commerce sites | 2019 - 2020 | Worked on e-commerce sites with millions of users as a dev | PHP, React, TypeScript, GraphQL | Millions of users on the sites |
| AR game | 2019 - 2020 | Augmented reality game for children | React Native, TypeScript | Unfinished, COVID killed its viability |
| Website builder | 2018 - 2019 | Landing page builder (my first commercial release) | JavaScript, Node.js, Vue, MongoDB | Failed at marketing, shut down |
| oandbackup | 2018 | Contributed bug fixes | Java, Android | Pull requests merged |
| Affiliate tool | 2017 | Service to increase Amazon affiliate revenue | JavaScript, Node.js, React | Unfinished, Amazon released a similar solution |
| Language learning app | 2017 | App for refugees to learn German | React Native | Co-founder breakup |
| Zen Launcher | 2017 | Minimalist Android launcher | Java, Android | A friend used it for years |
| Notes app | 2017 | Notes app for Android | Java, Android | I used it for years |
| mock-res | 2017 | Contributed a new feature for unit testing | JavaScript, Node.js | Pull requests merged |
| Firefox Focus | 2017 | Contributed a privacy issue fix | Java, Android | Pull request merged |
| passport-local-mongoose | 2017 | Contributed bug fixes | JavaScript, Node.js, MongoDB | Pull requests merged |
| Signal Messenger | 2016 - 2017 | Contributed Android unit test fixes | Java, Android | App used by 100M+ users |
| Soccer agent | 2016 | Autonomous RoboCup agent for a university class | Java | Got the best possible grade |
| Ubuntu Phone core apps | 2015 | Maintained apps preinstalled on thousands of phones | C++, Qt/QML, JavaScript | Canonical offered to fly me to the US, listed as top developer |
| Ubuntu Phone OS | 2015 | Contributed to the operating system parts of Ubuntu for Phones | Go, C++, Qt/QML | Won a contest for outstanding technical contribution |
| Conference talk | 2015 | Gave a talk at a developer conference | PowerPoint | Had very interesting conversations |
| Forum Browser | 2014 - 2015 | Ubuntu Touch app for using online forums | Qt/QML, JavaScript | Officially featured as "App of the Week", API was shut down |
| Cantata | 2014 - 2015 | Ubuntu Phone port of the music player app | C++, Qt/QML | Shut down |
| Reading support app | 2015 | Software to read books in huge letters on a TV | Qt/QML | Unreleased, but working |
| Tox client for Ubuntu Phone | 2015 | Chat app using the Tox protocol | C++, Qt/QML | Working MVP |
| Ubuntu SDK for Android devs | 2015 | Book I started writing | C++, Qt/QML | Unfinished |
| uReadIt | 2015 | Contributed bug fixes | Qt/QML, JavaScript | Pull requests merged |
| QtCreator Ubuntu SDK plugin | 2015 | Contributed build process optimizations | Make | Pull requests merged |
| Discerning Duck | 2015 | Contributed a usability enhancement | C++ | Pull request merged |
| Fahrplan | 2015 | Contributed a bug fix | Qt/QML | Pull request merged |
| ubuntu-go-qml-template | 2014 - 2015 | Ubuntu Touch app template | Go, Qt/QML | Used by other developers |
| Gmail for Ubuntu Phones | 2014 - 2015 | Proof of concept: Gmail app for Ubuntu Phone | Go, Qt/QML | Working POC |
| Social network | 2014 | School project: built our own social network | PHP, HTML, CSS | Got the best possible grade |
| DynamicShareActionProvider | 2013 - 2014 | Android library for social sharing | Java, Android | 230+ Github stars |
| Logviewer Ubuntu app | 2014 | Contributed UX and UI improvements | CMake, C++, Qt/QML | Pull request merged |
| uTorch | 2014 | Contributed UI improvements | Qt/QML | Pull request merged |
| Trojita | 2014 | Contributed usability improvements | C++, Qt/QML | Pull requests merged |
| SharedFolderChat | 2013 | Chat app utilizing our school network | Java | The school banned my app 😄 |
| LinkCreator | 2013 | Android app to move apps to external SD cards | Java, Android | Used it myself |
| Transparent Widget | 2013 | Transparent Android lockscreen widget | Java, Android | Got real users |
| Android tutorials | 2013 | Published various Android development tutorials | Java, Android | Was offered a book deal, featured in online publications |
| Traffic simulation | 2013 | Traffic simulation using cellular automata | Java | Presented the software at an event |
| ShowcaseView | 2013 | Contributed various features and bug fixes | Java, Android | Pull requests merged |
| Pocket Code | 2013 | Contributed copy/paste functionality | Java, Android | Changes released to millions of users |
| Scale King | 2012 | Windows software for guitar players | Delphi / Turbo Pascal | Unreleased, but working |
| Minecraft clone | 2012 | 2D minecraft clone for Android, built with a friend | Java, Android | My friends played it |
| BOSS Guitar Pedal Demo | 2011 - 2012 | Guitar pedal demo app that I tried to sell to BOSS | Java, Android | No response to my outreach |
| Physics simulations | 2011 - 2012 | Physics simulations for national science competitions | Python | Came in 2nd nationwide |
| Gem Miner Savegame Admin | 2011 | Android app to get additional world slots in a Gem Miner | Java, Android | Used it myself |
| City Guide | 2011 | City guide Android app for my childhood home town | Java, Android | Unfinished |
| Geography game | 2011 | Game about the Middle East (for a school presentation) | Delphi / Turbo Pascal | Teacher didn't want to play it :( |
| Soccer game | 2010 | 2D penalty shoot-out game | Python | Had fun |
| 2D fighting game | 2010 | 2D fighting game like Super Smash Bros | Python | Had fun |
| Various little games and programs | 2007 - 2011 | I regret deleting their source code | Delphi / Turbo Pascal, Python | Learnt programming |
| Math games | 2007 | Developed simple math games | Delphi / Turbo Pascal | Learnt programming |
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