jFxKasse

Simple POS (Point of Sale) system for small to medium-sized events with receipt printer support.

Requirements

Java JDK 21+
Maven 3.9+
Display >= 1366x768

Video Tutorials (German | Deutsch)

YouTube Video: jFxKasse - Kassensystem - Kurzanleitung

YouTube Video: jFxKasse - Kassensystem - Installieren

Setup (VSCode on openSUSE Tumbleweed)

1. Install dependencies

sudo zypper install java-21-openjdk java-21-openjdk-devel maven

2. Install VSCode extensions

Open the project in VSCode. You will be prompted to install the recommended extensions:

Extension Pack for Java (vscjava.vscode-java-pack)
Maven for Java (vscjava.vscode-maven)
Language Support for Java (redhat.java)

3. Build & Run

# Compile
mvn compile

# Run via Maven
mvn javafx:run

# Package as fat JAR
mvn package
java -jar target/jFxKasse-shaded.jar

Or use the preconfigured VSCode tasks (Ctrl+Shift+B) and launch configurations (F5).

Screenshots

Main View	Jobs	Positions	Settings

Hardware

Tested with: Epson TM T20II. Other receipt printers should work as well.

Tools

merge_db

Merges multiple SQLite databases into one file with automatic deduplication. Reference tables (category, positionen) are deduplicated by content; jobs rows are appended in order with re-sequenced IDs to avoid conflicts.

python tools/merge_db.py -o OUTPUT_DB INPUT_DB [INPUT_DB ...]

# Example
python tools/merge_db.py -o merged.db 02.db 03.db 04.db

License

GPL-3.0

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