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The ambitious objectives of the Ptolemy project include most aspects of designing signal processing and communications systems, ranging from designing and simulating algorithms to synthesizing hardware and software, parallelizing algorithms, and prototyping real-time systems. Ptolemy has been used for a broad range of applications including signal processing, telecommunications, parallel processing, wireless communications, network design, radio astronomy, real time systems, and hardware/software co-design. Ptolemy has also been used as a laboratory for signal processing and communications courses. Currently Ptolemy has hundreds of users in hundreds of sites, in industry, academia, and government.

Current Version:   0.7.1

License Type:   Standard UC Berkeley Copyright, see copyright.html

Home Site:

Source Code Availability: Yes (see Home Site)

Available Binary Packages:

  • Debian Package: Yes, version 0.7 only
  • RedHat RPM Package: Yes, version 0.7 only, 0.7.1 soon
  • Other Packages: Yes (gzipped tar format)

Targeted Platforms:

The package is designed for Unix in general. Linux binaries are supplied by members of the Ptolemy User community.

Software/Hardware Requirements:

Tcl/Tk, Itcl (a Tcl extension), X11, the kernel must be configured with networking enabled to allow RPC calls to work.

Other Links: (FTP site)

Mailing Lists/USENET News Groups:

Mailing List:, To join, send mail to with the word 'subscribe' in the body.
Newsgroup: comp.soft-sys.ptolemy

User Comments:

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