Alternativas ao KeyCat para GnuPG com licença de código aberto

• GnuPG
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Opera Safari Internet Explorer Chromium Vivaldi Browser SeaMonkey PHP Python BSD Windows Mobile Java Mobile Xfce PortableApps.com S60 Chrome Docker Tor Browser Bundle Microsoft Edge HP webOS Thunderbird Git Yandex.Browser Chrome Web Store Maxthon Sunbird Brave Microsoft SQL Server Mono GnuPG Microsoft Silverlight LastPass SaferPass Kiwi Browser
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial