Alternativa HEADu za Opera sa licencom otvorenog koda

• Opera
  Sve platforme Windows Mac Linux Chrome OS Android iPhone Windows Phone iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Firefox Opera Safari PHP jQuery Electron / Atom Shell Chrome Microsoft Edge SQLite NGINX Liveweave jsFiddle JS Bin Plunker CodePen
• Licenca otvorenog koda
  Bilo koja licenca Besplatna licenca Licenca otvorenog koda Komercijalna licenca