具有开源许可证的iPad版Mynigma的替代方案

• iPad
  所有平台 Windows Mac Linux Chrome OS Android iPhone Apple Watch Android Wear iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Firefox SeaMonkey BSD Windows Mobile Java Mobile Haiku PortableApps.com S60 Chrome Ruby Thunderbird Gmail Cloudron GPG Suite OpenPGP S/MIME GnuPG GPGTools DAVdroid
• 开源许可证
  任何牌照 免费许可证 开源许可证 商业牌照