Alternativer til booky.io til Yandex.Browser med open source-licens

• Yandex.Browser
  Alle platforme Windows Mac Linux Chrome OS Android iPhone iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Firefox Opera Safari Vivaldi Browser Chrome Telegram Yandex.Browser Microsoft Azure Bootstrap
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens