Opera 10 alpha shows off new Presto rendering engine | BetaNews
Opera Presto Source Code Leaks Online
GitHub - Lootyhoof/opresto: Opera Presto-style theme for Pale Moon
Hey Presto, Opera switches to WebKit | Ars Technica
Presto (Opera) — Википедия
Opera 12 browser gets its first update in 2 years
GitHub - operasoftware/operaprestodriver: OperaPrestoDriver is a vendor-supported WebDriver implementation that enables programmatic automation of Presto-based Opera products (i.e. v12 and older).