# Stacknoise – Anton Graichen-Hartl > Anton Graichen-Hartl, freelance software developer: SAP development with ABAP and software for interactive trade fair stands, showrooms and stages. Stacknoise is the sole proprietorship of Anton Graichen-Hartl, software developer and software architect in Raasdorf near Vienna (Austria), freelancing since 2011. From the SAP backend to the LED wall. ## Contact - Name: Anton Graichen-Hartl (Stacknoise) - E-Mail: anton.hartl@stacknoise.com - Phone: +43 676 4055041 - Address: Glinzendorferstraße 10, 2281 Raasdorf, Austria - GitHub: https://github.com/stacknoise - LinkedIn: https://www.linkedin.com/in/anton-graichen-hartl-3101213b/ - Xing: https://www.xing.com/profile/Anton_GraichenHartl - Partners: Stereolize (http://www.stereolize.com/), zpartner (http://zpartner.eu/) ## Services I strengthen your team where innovative solutions are needed. ### SAP development S/4HANA, ERP (SD, MM, PP, QM), CRM and BI. From reports and interfaces to RAP backends with a Fiori front end, including S/4HANA migration. Skills: ABAP OO, RAP, CDS View Entities, EML, Fiori Elements, SAPUI5, OData / Gateway, SAP HANA, SQLScript, Web Dynpro, BSP, WebUI, BOL/GenIL, IDoc / RFC, MDG, XCO, BRFplus ### AI development Agentic software development with Claude Code and GitHub Copilot, automation and local language models. That is also how my open source projects come about. Skills: Claude Code, GitHub Copilot, ARC-1, n8n, LM Studio ### Ventuz & real time Control software, content systems and data integration for Ventuz scenes, media walls and game engines. Skills: C#, WPF, OSC, .NET Remoting, SQL Server, Neo4j, VVVV, Unity 3D, Unreal, CryEngine ### Software & Hardware Apps, sensors and prototypes when a project connects several worlds. Skills: Android, Kotlin, Java, C/C++, Python, ASP.NET Core, D3.js, TensorFlow, Home Assistant, Arduino, Tinkerforge, Kinect, Intel RealSense, Leap Motion, Tobii EyeX, UWB-Tracking ## Projects ### 2026 · Detailed Energy Card Technologies: TypeScript, Lit, Home Assistant Open source card for Home Assistant that shows the power flow from PV, battery and grid through the house, floors and rooms down to individual consumers. Installable via HACS. - Product page: https://www.stacknoise.com/en/energy-card/ - Link: https://github.com/stacknoise/detailed-energy-card ### 2026 · HAAC – HA Android Client Technologies: Kotlin, Android, Home Assistant Native Android app for Home Assistant. Admins share devices with each person individually, and everyone arranges them in their own houses, floors and rooms. With HAAC Bridge as its counterpart in Home Assistant. - Product page: https://www.stacknoise.com/en/haac/ - Link: https://github.com/stacknoise/haac-android ### 2022 · Toyota Mall Store Festival City Technologies: Android, Ventuz Android app controlling the Ventuz installation in the showroom in Dubai. ### 2018 · NASDAQ Dubai Media Wall Technologies: Ventuz, C#, WPF CMS controlling an LED media wall via Ventuz, and a WPF app for Surface tablets that captures signatures. - View images: https://www.stacknoise.com/en/#projects (images on the website) ### 2018 · Museum of the Future Technologies: Android, Ventuz, SQL For the World Government Summit in Dubai: an Android app for photos, visitor data and OSC messages, plus the “Ministry Game” with an SQL database, Ventuz scripts and a WPF interface. - View images: https://www.stacknoise.com/en/#projects (images on the website) ### 2017 · Corning CES Technologies: Ventuz, Unity, Android A complete electric car as a trade fair stand. CAN bus middleware, NFC badge reader, fingerprint, Leap Motion and LIDAR integration. With Stereolize. - View images: https://www.stacknoise.com/en/#projects (images on the website) ### 2016 · Microsoft Flagship Store Munich Technologies: UWB, C# Ultra-wideband indoor tracking based on BeSpoon that follows people on a stage. ### 2016 · Deloitte Greenhouse Berlin Technologies: Ventuz, WPF WPF application controlling the Ventuz content. ### 2016 · Corning Investor Relations Meeting Technologies: Ventuz Setup, teardown and support of the CES exhibits in New York. - View images: https://www.stacknoise.com/en/#projects (images on the website) ### 2016 · Corning CES Technologies: Ventuz, Neo4j, C# Corning’s vision “A Day Made of Glass” as a trade fair stand in Las Vegas: interactive wall, shop window, smart fridge, table and car console. Content system on Neo4j, RFID, face recognition and Ventuz controls. With Stereolize. - Video: https://www.youtube.com/watch?v=E5356PNSo1I - View images: https://www.stacknoise.com/en/#projects (images on the website) ### 2015 · Porsche Development Center Weissach Technologies: Ventuz, WPF WPF application controlling the Ventuz content. ### 2015 · Corning: Realizing the Vision Technologies: SAP, SAPUI5, Ventuz An interactive cube of Gorilla Glass as an information display, with a hotel information system and an SAP HANA energy demo. CMS concept and sync, SAP backend, SAPUI5 web app and the bridge from Ventuz to SAP. With Stereolize. - Video: https://www.youtube.com/watch?v=Y2zM_nzWCNo - View images: https://www.stacknoise.com/en/#projects (images on the website) ### 2014 · SEFCU Kiernan Plaza Technologies: Ventuz, C# Bank branch of the future in Albany, NY: a 164″ multitouch wall and an 84″ 4K table. CMS sync software and control center. - View images: https://www.stacknoise.com/en/#projects (images on the website) ### 2013 · Deutsche Telekom CeBIT Technologies: Ventuz, C# C# control for the Ventuz presentation on the central LED wall of a rotating live stage. - View images: https://www.stacknoise.com/en/#projects (images on the website) ### 2013 · BMW Dubai International Motorshow Technologies: Ventuz, Kinect Kinect tracking and Facebook integration for the Ventuz installation on the BMW stand. Winner of the Red Dot Communication Design Award and the German Design Award (Special Mention). - Video: https://www.youtube.com/watch?v=6Y8LCQCa3b8 - View images: https://www.stacknoise.com/en/#projects (images on the website) ### 2013 · Microsoft Flagship Store Berlin Technologies: Ventuz, WPF WPF application controlling the Ventuz installation in the shop window. ### 2013 · Mastering Business Analytics Technologies: Ventuz ### 2013 · CubeServ BI Kongress Technologies: Ventuz - View images: https://www.stacknoise.com/en/#projects (images on the website) ### 2013 · DSAG Technology Days Technologies: Ventuz Ventuz presentations for CubeServ’s customer talks with Hapimag and Migros in Mannheim. Live demos from notebook and iPad ran straight into the animations via screen capture. - View images: https://www.stacknoise.com/en/#projects (images on the website) ### 2013 · Master Data Editor Technologies: SAP BW Master data maintenance directly in SAP BW for business users: web interface, controlled by customizing, with search helps and mass changes. A CubeServ product. ## Products - [Detailed Energy Card](https://www.stacknoise.com/en/energy-card.md): Open source card for Home Assistant: power from PV, battery and grid through the house, floors and rooms down to each consumer. With a visual editor, installable via HACS. - [HAAC](https://www.stacknoise.com/en/haac.md): HAAC is a native Android app for Home Assistant: the admin shares single devices with each user, with schedules, history and no tracking. Open source. ## About I started out as a toolmaker in 1995. Today I build software that runs in corporations and lights up trade fair stands. From CRM presales and the SAP department of Mobilkom Austria I moved into SAP consulting at IDS Scheer, Software AG and CSC Austria. Since going freelance in 2011, Ventuz and C# have joined ABAP in my toolkit. ### Career - Apprenticeship: Toolmaker - Career change: PreSales - SAP: Mobilkom Austria - Consulting: IDS Scheer, Software AG, CSC - Freelance: Stacknoise ## Pages - [Stacknoise – Anton Graichen-Hartl, software developer](https://www.stacknoise.com/en/) - [Deutsche Version](https://www.stacknoise.com/llms-de.txt) - [Impressum](https://www.stacknoise.com/impressum/): Legal notice (German) - [Datenschutz](https://www.stacknoise.com/datenschutz/): Privacy policy (German)