Alternativas ao CityFALCON para Opera com licença de código aberto

• Opera
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Opera Vivaldi Browser Wine Chrome Telegram Yandex.Browser
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial