Windows Vista, 7, 8, 10:

• Attract-Mode 2.7.0 - 32-bit Binary (.zip)
• Attract-Mode 2.7.0 - 64-bit Binary (.zip)

Windows XP:

• Attract-Mode 2.6.1 (FFmpeg 3.4) - 32-bit Binary (.zip)
• Attract-Mode 2.6.1 (FFmpeg 3.4) - 64-bit Binary (.zip)

(FFmpeg ended Windows XP support after version 3.4)

Mac OS X:

• Attract-Mode 2.6.1 - OS X App Bundle (.dmg)

Linux:

• Attract-Mode 2.7.0 - Source (.tar.gz)

Instructions for compiling Attract-Mode are available here, as well as on the wiki.

Unofficial Packages: Arch Linux AUR, Ubuntu PPA

Raspberry Pi:

Attract-Mode is available in RetroPie as an experimental package.

Unofficial Images:

• Ptiwee's Buildroot (AM + RetroArch) Images
• Floob's Attract-Mode + RetroPie Image

Source Code - Latest Release:

• Attract-Mode 2.7.0 Source (.zip)
• Attract-Mode 2.7.0 Source (.tar.gz)

Source Code - Development Branch:

• Source Code (master branch) (.zip)
• Browse Source Code Online

Instructions for compiling Attract-Mode are available here, as well as on the wiki.