Alternativas ao Permanote para iPhone com licença de código aberto

• iPhone
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Windows Phone Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Firefox PHP BSD PortableApps.com Chrome Blockstack Cloudron Termux
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial