EasyTask Manager -- GTD & ToDo / Task Management Application for Mac, Windows and iPhone

EasyTask runs on both Mac and Windows. Plus with the Online Sync you can sync multiple computers (Macs or Windows). Have a Windows machine at work and a Mac at home? No problem, with EasyTask you can keep both in sync. The same sync works between Mac and Mac and Windows and Windows. What will EasyTask Manager do for YOU? Increase your Productivity By knowing exactly what needs to be done a

[morygonzalez]

The Hit Listみたいに使えてiPhone版もちゃんと用意されてるソフト。$19.99。

[ucho]

OmniFocusと違ってWindows用クライアントもある（ただしデモ版のみ、20タスクまで）。もちろんiPhoneと同期できる。