HOTINT is an open source / freeware engineering software for multibody dynamics simulation.

Its main focus lies on the correct mathematical modelling of complex flexible multibody systems together with mechatronic components and the efficient computation of those, rather than on a rich graphical output or to compete with high end Finite Element solvers.

One specific aim of HOTINT is also to offer you smart ways for setting up your complex problems, e.g. coupled with control elements, fluid simulation as well as electrical parts.

You can find the full user documentation here (approx. 9 MB).

Major parts of HOTINT have been presented in more than 100 international journal articles and conference proceedings. A list of publications can be found in the List of Publications.

Some of them can be downloaded here:


X2C is an open source tool for the model-based development and code generation of real time control algorithms for micro processor units.

X2C and HOTINT are developed at LCM GmbH

Linz Center of Mechatronics GmbH
with great support of the Institute of Technical Mechanics at Johannes Kepler University Linz

Institute of Technical Mechanics at Johannes Kepler University Linz
and with the support of the province of Upper Austria

Land Oberösterreich
within the regional development program Regio13 of the European Union

Land Oberösterreich