Alternatívy programu Olay.io pre Firefox s licenciou zadarmo

• Firefox
  Všetky platformy Windows Mac Linux Chrome OS Android iPhone iPad Android Tablet Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Chrome AlexSci Soapbox Rite.ly Backly sniply PromoRepublic Getspread.IT
• Bezplatná licencia
  Akákoľvek licencia Bezplatná licencia Licencia Open Source Obchodná licencia