HTTP Poster and Locale Plug-In is an Android application developed by Steelgirder. It is a free tool available in the Utilities & Tools category. With this application, users can post HTTP requests to any server available to their phone. The app also comes with a Locale plug-in that enables users to control their home entertainment system, update their status online, and log into a Wi-Fi at work.

The HTTP Poster and Locale Plug-In app can be used without Locale or Tasker, making it more accessible to users who do not have these tools. However, the Locale plug-in will only work with Locale or Tasker installed. The app is easy to use and offers a simple interface. It is a handy tool for those who need to post HTTP requests on the go.