| Operating System | Version | Date | Remark | ||
| Linux x64 | 6.4.5 | Older version | 9 Dec 2008 | download (4.58 MB) | Self-extracting archive |
| Linux x64 | 6.6.36 | Development version | 10 June 2009 | download (4.10 MB) | Self-extracting archive |
| Linux x86 | 6.4.5 | Older version | 9 Dec 2008 | download (4.37 MB) | Self-extracting archive |
| Linux x86 | 6.6.36 | Development version | 10 June 2009 | download (3.89 MB) | Self-extracting archive |
| Mac OS X | 6.2.18 | Older version (standard GUI) | 18 Aug 2008 | download (6.27 MB) | Standard GUI |
| Mac OS X | 6.2.18 | Older version (Unix command-line version) | 18 Aug 2008 | download (1.14 MB) | Core client only (command-line) |
| Mac OS X | 6.6.36 | Recommended version (standard GUI) | 10 June 2009 | download (6.06 MB) | Standard GUI |
| Mac OS X | 6.6.36 | Recommended version (Unix command-line version) | 10 June 2009 | download (1.20 MB) | Core client only (command-line) |
| Older Linux x86 and x64 | 6.4.5 | Older version | 9 Dec 2008 | download (1.16 MB) | Self-extracting archive |
| Older Linux x86 and x64 | 6.6.36 | Development version | 10 June 2009 | download (1.19 MB) | Self-extracting archive |
| Windows | 5.8.16 | Older version (also works on Windows 95 and NT 4.0) | 1 Mar 2007 | download (8.36 MB) | Windows installer |
| Windows | 6.4.7 | Older version | 3 Mar 2009 | download (6.65 MB) | Windows installer |
| Windows | 6.6.36 | Recommended version | 10 June 2009 | download (6.69 MB) | Windows installer |
| Windows 64-bit | 6.4.7 | Older version | 3 Mar 2009 | download (7.31 MB) | Windows installer |
| Windows 64-bit | 6.6.36 | Recommended version | 10 June 2009 | download (7.23 MB) | Windows installer |
