Alternativas ao Chainsage para Bitcoin com licença gratuita

• Bitcoin
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Windows Phone iPad Android Tablet Kindle Fire Windows S PlayBook Web Self-Hosted Software as a Service (SaaS) JavaScript Windows Mobile Ethereum Gmail Bitcoin JSON
• Licença gratuita
  Qualquer licença Licença gratuita Licença Open Source Licença comercial