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ChemApp provides the powerful calculation capabilities of ChemSage in the form of a programmer's library. It consists of a rich set of subroutines which provides all the necessary tools for the calculation of complex multicomponent, multiphase chemical equilibria and the determination of the associated energy balances.

It opens up new horizons for the use of thermochemical calculations across a wide spectrum of applications. Furthermore, with GTT's access to appropriate algorithms and kinetic data, it is also possible to apply the routine to develop programs for time-dependent (dynamic) applications.

There is a "light" version which differs from the full version related to a) the size of the chemical systems it can handle, and b) the fact that ChemApp "light" cannot perform so called "target" calculations.

Current Version:   1.0

License Type:   Commercial and a light (free) version

Home Site:

Source Code Availability:   No

Available Binary Packages:

  • Debian Package:   No
  • RedHat RPM Package:   No
  • Other Packages:   ChemApp is delivered in the form of an object code library for instant use with g77 and gcc.

Targeted Platforms:

Linux, DOS, Windows (as object code and DLL, for Win95, WinNT, Win3.1x with 32 bit ext.), SGI/IRIX, DEC Alpha, DEC VAX, Macintosh, etc. Other platforms upon request.

Software/Hardware Requirements:

A suitable compiler/development environment for any of the targeted platforms. Details upon request.

Other Links:

Mailing Lists/USENET News Groups:

New releases of ChemApp, information on its applications and available thermochemical data are announced through a mailing list. To subscribe, send e-mail to with the line "SUBSCRIBE TT-ANNOUNCE" (without the quotes) in the mail body.

User Comments:

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