Mac users can download iAntiVirus Free Edition.

Mac用户可以下载iAntiVirus免费版。

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A free edition of SQL server ideal for learning and building desktop and small server applications and for re-distribution by isvs.

免费版的SQL Server，适合学习、构建桌面应用和小型服务器应用，适合IS V重分发。

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SQL Server 2008 Express is a free edition of SQL Server that features core database functionality including all of the new SQL Server 2008 data types, in a small footprint.

SQL Server 2008 Express版是SQL Server的一个免费版本，它拥有核心的数据库功能，其中包括了SQL Server 2008中最新的数据类型，但它是SQL Server的一个微型版本。

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Today, we're announcing that we've partnered with Epic Games to release a custom, Oculus-ready version of the Unreal Development Kit (UDK), the free edition of Unreal Engine 3 (UE3).

ENGADGET: Unreal Engine 3 adding Oculus Rift support this April, Epic Citadel demo packed in

Taxpayers who buy the program or use a basic "free edition" of TurboTax available at the TurboTax web site can file electronically, beginning Jan. 14, without claiming the credits.

FORBES: Magazine Article

Epic Games will offer the free edition of its Unreal Engine 3, including a suite of game-making tools, together in package called the Unreal Development Kit, starting tomorrow to game and application developers for the iPhone (3GS and 4), iPad and iPod touch (3rd and 4th generation).

FORBES: Hit Game Engine Launches On iPhone Thursday, Android Later