Spaz is described as 'Twitter client for users who value free, open-source software, attractive design, and customizability'. There are more than 25 alternatives to Spaz for a variety of platforms, including Windows, Mac, iPhone, Linux and Android. The best alternative is Telegram, which is free. Other great apps like Spaz are Signal (Free, Open Source), TweetDeck (Free), Facebook Messenger (Free) and Tweetbot (Paid).
Signal is a messaging app with an unexpected focus on privacy, combined with all the features expected from a modern IM app. Signal has received a lot of praise from all around the world for its security and privacy-respecting technologies.
Choqok - KDE Micro-Blogging ClientThe name comes from an ancient Persian word, means Sparrow!Currently supports Twitter.com and Identi.ca services.It currently features: * Supporting Twitter.com micro-blogging service.