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  • BasDeTok - De-tokenizer for binary files from several BASIC dialects
  • CheckDig - Implementation of check digit algorithms
  • ChurchCal - Church calendar with easter calculation
  • Common - Classes and methods needed by several applications
  • Dbat - Database Application Tool and generator
  • FloDskIm - Reading of file systems on floppy disk images
  • GramWord - Recognition of words in natural languages (mainly German)
  • JExtra - Extensible parser generator and translator
  • NumWord - Enumeration of words related to numbers in various natural languages
  • Putrans - Converters for legacy text processing systems
  • RaMath - Rational and symbolic mathematics
  • Xtool - Tools for XML and XML Schemas
  • Xtrans - Conversion between XML and various non-XML data formats

See also and an explanation of the name Teherba.

How To

  • Installation Guide for prerequisite softwawre components (Java, Tomcat, MySQL ...)
  • Dependencies - which project needs which library jars (from and
  • Build Process - how to generate and compile the source files, and how to build the JAR, WAR and EAR file for each application
  • Tips and Tricks for various problems


Some projects on this site are desired, planned or in an early stage:

  • Accounting - Tools
  • Book Publishing - Completed and planned book projects, tools for creating books, ISBN list
  • CoinCounter - Detection and counting of coins in an image
  • Flüchtlingsbetreuung - in einer Kleinstadt seit April 2014
  • ID-BLKBKJAV - Java Training Course, November 2017 in Bekasi, Java (Indonesia)
  • itebus - Impftermin-Buchungsservice für die deutsche COVID-19-Impfkampagne
  • MG-ODRD - Database support for a Microfinance Institute in Antsiranana, Madagascar
  • OEIS Contributions to The On-Line Encyclopedia of Integer Sequences® of Neil Sloane et al.
  • OpenChurchMap - Show 3D models of churches and chapels in OpenStreetMap maps
  • OrigaML - a markup language, browser and model library for Origami paper models
  • Punch - Virtual punched card (and paper stripe) museum, emulators and hardware
  • ScriptWord - recognition of old printed and handwritten script from word segments
  • Seqbox Math toolbox for Sequence Fans (OEIS users) encapsulated in a Raspberry Pi
  • SmartHome Measuring of resource consumption with SmartMeters: hardware, testing
  • SpineLib - manage libraries with images of book spines
  • Internet-Gefahren, Freitagsakademie der Evang. Kirchengemeinde am 23.11.2018
  • SBI - should be invented
  • Trip1 - Trigonometrische Punkte 1. Ordnung (main trigonometric points in Germany)


This site is mainly read-only. If you would like to contribute, please write to dr dot georg dot fischer at gmail dot com.

Technical help and hints for this site can be found at Getting started.