Alpha will come in a free version, but there will also be a paid version, which will allow users to download and upload data to Alpha.

Alpha将以免费方式推出，当同时提供付费版，它将为用户提供数据下载和上传。

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It's to those users' delight, then, that Tapbots just posted a free alpha version of Tweetbot for Mac.

ENGADGET: Tweetbot for Mac arrives as free alpha, we give a quick hands-on

Though an alpha version was used for this preview, the code seems stable.

CNN: Tsar: Burden of the Crown treads familiar ground

During our hands-on, StickNFind worked quite well, though as we mentioned, the current alpha version of the app only displays distance, not direction.

ENGADGET: StickNFind Bluetooth stickers let you tag and locate your goods with a smartphone (hands-on video)