具有开源许可证的Opera版Somnote的替代方案

• Opera
  所有平台 Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Opera Safari Internet Explorer BSD Windows Mobile PortableApps.com Chrome Blockstack Firefox OS Termux
• 开源许可证
  任何牌照 免费许可证 开源许可证 商业牌照