Alternativ till Notably för Firefox med öppen källkodslicens

• Firefox
  Alla plattformar Windows Mac Linux Chrome OS Android iPhone Windows Phone Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Firefox PHP BSD PortableApps.com Chrome Blockstack Cloudron Termux
• Open Source-licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens