twtQpon is a web app that allows users to create coupons for exclusive deals on Twitter

Features:

• simple web UI
• enter coupon details in 140 characters
• upload product/item photo

The Good:

twtQpon allows you to enhance your use of Twitter for social media marketing by offering discount coupons. Coupons are customizable and can include images. For those interested in marketing on Twitter, this could be a powerful tool. Coupons can be tweeted and added to Facebook.

The Not-so-Good:

While twtQpon could be a powerful tool, it will surely appeal only to those interested in marketing via Twitter. Those who are opposed to that sort of thing won’t find it too appealing.

Tweetwave.com rates it: ♦♦♦

Twellow, a service of WebProNews, is a great service for finding people who matter to your business or industry, by category. You can search keywords or browser through common categories to find the voices you deem as worthy following and/or connecting with on Twitter or other social networks. You can also claim your Twitter ID to further customize your individual profile with a short bio, extended bio, links to other profiles popular social networks such Facebook, LinkedIn, Delicious, and Flickr. ♦♦♦♦♦

Twitter Splitter is a specially encoded link that lets you share your blog or website and other social items in every link you post on Twitter, in addition to the original site you want others to see. Set up is easy. The jury is still out on functionality and usefulness. ♦♦

EasyTweets is an online Twitter management tool that allows users to promote and grow their business by leveraging the power of microblogging.

Features:

• manage multiple Twitter accounts
• schedule tweets to post in the future
• track brands or any keywords
• SMS or email alerts when your brand or keyword is mentioned on Twitter
• monitor trends on Twitter
• automatically post RSS feed content

The Good:

EasyTweets is an application that packs a great many features, and could be one of the most powerful Twitter tools available. The list of features is long, and all of them are useful. Individual users can benefit from EasyTweets, but it is particularly powerful in a business setting.

The Not-so-Good:

The only real downside to EasyTweets is that it is a fee-based service. Prices range from $24 per month to $99 per month, all on a pay-as-you-go basis. There is a free plan, but it has significantly reduced functionality.

Tweetwave.com rates it: ♦♦♦♦