• PowerPC G2, aka PowerPC 604 and PowerPC 604e
• * PowerMac G2
• * PowerBook G2
• G2_(mathematics)
• G2 is a U.S. military intelligence officer rank - see military intelligence.
• RealPlayer G2, aka RealPlayer 8
• G2 star, a subclass of G-class stars
• Group 2 of the periodic table
• PowerShot G2 – a digital camera made by Canon

See also