What are some alternatives?
When comparing Tweetdeckr and Echofon, you can also consider the following products
TweetDeck - TweetDeck is your personal browser for staying in touch with what’s happening now.
Twidere - Tired of seeing ads and promotions in your timeline, being disrupted by tweets from bots and people...
HootSuite - Enhance your social media management with Hootsuite, the leading social media dashboard. Manage multiple networks and profiles and measure your campaign results.
Tweetbot - Sync your timeline across your iPhone, iPad, and Mac. Mute tweets by user, hashtag, tweet source, or keywords (including regex). 3rd Party support for image, video, read later, and timeline sync services.
Hibari - Hibari is a simple yet powerful Mac Twitter app that blocks unwanted tweets and combines important tweets into a single timeline.
Gwibber - Gwibber is an open source microblogging client for GNOME developed with Python and GTK.