Twhirl is a desktop client for social software such as Twitter, Friendfeed, identi.ca, or seesmic, based on the Adobe Air platform.
Not in the Top 100 in 2013
Comments from some of those who selected Twhirl as one of their Top Tools
“Microblogging desktop client to collaborate and communicate” Janet Clarey
“A well-designed desktop app that can be customised to receive and post without ever going to the web. Twitter remains a good way to get started with social networking and to introduce community. Easy to post via web or mobile phone.” Kate Foy