The latest versions of Icon for various platforms are shown below. The suffix G indicates implementations that support Icon's graphics facilities.
Many distributions are available as either "binaries" or "packages". Binaries contain executable files. Packages may also, or only, contain source code.
| Acorn Archimedes | 9.1 | binaries | package | |
| Amiga | 9.1 | package | ||
| Macintosh (ProIcon) | 8.0 | binaries | documentation (2 MB PDF) | |
| Macintosh / MPW | 9.0 | binaries | package | |
| Macintosh / OS X | 9.4.3 G | binaries | package | (for the "Darwin" development environment) |
| Microsoft Windows | 9.3.2 G | binaries | package | (or use the 9.4.3 Unix package with Cygwin) |
| MS-DOS | 9.1 | binaries | package | |
| MS-DOS/32 | 9.3.2 | binaries | ||
| UNIX | 9.4.3 G | binaries | package | |
| VAX/VMS | 9.0 G | binaries | package |
Jcon 2.1 for UNIX (G) packages website
Library version 9.4.3 (G) packages roadmap