Alternativas ao Google Buzz para Android Tablet com licença comercial

• Android Tablet
  Todas as plataformas Windows Linux Android iPhone Windows Phone Blackberry Blackberry 10 iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) BSD Chrome Ruby
• Licença comercial
  Qualquer licença Licença gratuita Licença Open Source Licença comercial