Alternativa ProjectMarksu za Opera sa licencom otvorenog koda

• Opera
  Sve platforme Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Firefox Opera Safari Internet Explorer Vivaldi Browser BSD Windows Mobile Java Mobile Wordpress S60 Pale Moon Chrome Telegram Firefox OS Microsoft Azure Bootstrap ownCloud
• Licenca otvorenog koda
  Bilo koja licenca Besplatna licenca Licenca otvorenog koda Komercijalna licenca