WC Twitter Uploader 1.0 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free Mac application was originally developed by Edouard Lagache. The most popular version among the application users is 1.0. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
WC Twitter Uploader is an AppleScript extension to WeatherCat to upload data to Twitter. The app uses the WeatherCat AppleScript interface to obtain current conditions from weather station hardware and then uses J A Computing's AppleScript to Twitter interface to create a simple posting of weather conditions as a twit.
You may want to check out more Mac applications, such as LWC Twitter Uploader, TweetDeck by Twitter or Twitter, which might be similar to WC Twitter Uploader.