This is a document being compiled by Macworld about compatibility issues with Snow Leopard. Feel free to contribute. Software that breaks under Snow Leopard 1Password 2 (3, in beta, works) AppFresh (fixed on 8/17) Cyberduck 3.2.1, 3.3b1 Nightly build works Glims (build 19) Inquisitor 3.2 (v61) Juniper Network Connect (Due to a change in Snow Leopard's Java stack, according to this thread.) iStat