shareware

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If developers want to sell their extensions, they have to have another vendor and payout service like the old fashioned shareware publishing.
如果开发者想要销售他们的扩展，那么就需要找到其它厂商和付费服务，就像旧式的共享软件发布一样。
Now, though, it's not unusual to watch someone surf in their development of shareware, or in the videos they post online or risks they take in their personal blog.
尽管，现在一些人在共享软件开发上驰骋，一些人沉迷于自己发布的视频或是自己博客上的惊险之旅，这看起来都不太寻常。
DITA topics can be processed by a spectrum of tools ranging from shareware to custom tailored products, on almost any operating platform.
DITA 主题可以用各种工具处理，包括共享软件和自定义产品，差不多能在所有操作系统上使用。

To discourage "free riders, " public radio should become like shareware, the free software available over the Internet.
FORBES: Public Radio Goes Begging
But Raven Zachary, founder of developer conference iPhone Developers Camp, notes that shareware authors, for instance, prefer to give their software away.
FORBES: iPhone Apps In The Works
He could find the right piece of shareware to solve an issue and had this unique ability to fix phones, servers, databases and even the coffee machine.
FORBES: Would You Let Your Employee Bite Someone?

computer programs that you are allowed to use for a short period before you decide if you want to buy them

Shareware is computer software that you can try before deciding whether or not to buy the legal right to use it.