KBibTeX is written using the KDE framework, but is not part of the official KDE Software Compilation or KOffice. There exist two versions of KDE: The original version is using the old KDE3 framework and has been in development since 2004; it is stable for daily use. The most recent stable release 0.5 is built on KDE4. The online version of documentation to KBibTeX is hosted on KDE documentation server along with a copy in PDF form for the purpose of offline reading.