Alternativas ao Presearch para Mac com licença comercial

• Mac
  Todas as plataformas 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
• Licença comercial
  Qualquer licença Licença gratuita Licença Open Source Licença comercial