Alternativ till Presearch för Chrome OS med gratis licens

• Chrome OS
  Alla plattformar Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Firefox Opera Safari Internet Explorer Vivaldi Browser Xbox Chromecast Windows Mobile Slack Chrome Microsoft Edge Telegram Yandex.Browser
• Gratis licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens