The Icon Programming Language

Icon is a high-level, general-purpose programming language with novel features including string scanning and goal-directed evaluation.

Download Icon for Unix (including Linux, Macintosh, and Cygwin)
Download Icon for Microsoft Windows

Latest news

• 20 Sep 2016: Icon 9.5.1 has been revalidated on MacOS 10.12 (Sierra) and Ubuntu 16.04.1 LTS.
• 1 Jan 2016: Syntax coloring for Icon is now standard in the minimalist editor Textadept.
• 17 Feb 2015: A binary-only release for Windows, without graphics, is now available.
• 31 Dec 2014: On Mac OS X Yosemite, export DISPLAY=:0 to avoid graphics problems.
• 4 Dec 2014: Icon source code is now on GitHub.
• 31 Jul 2014: Version 9.5.1 has been revalidated on Mac OS X 10.9.4 and Ubuntu 14.04.
• 18 Mar 2014: Many more old reports have been added to the historical tech report collection.
• 15 Aug 2013: Non-graphics Mac binaries are available for systems without X11.
• 7 Jun 2013: There is a new Icon-language mailing list.
• 6 Jun 2013: Version 9.5.1 of Icon is now available.