Alternativas ao InstAddr para Firefox com licença de código aberto

• Firefox
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Blackberry Blackberry 10 Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Opera Safari Windows Mobile Java Mobile S60 Android TV Chrome MetaMask Yandex.Browser OpenPGP
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial