Alternativer til Taskian til Software as a Service (SaaS) med open source-licens

• Software as a Service (SaaS)
  Alle platforme Windows Mac Linux Chrome OS Android iPhone Blackberry Blackberry 10 Apple Watch iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Firefox Opera Safari Internet Explorer BSD PortableApps.com Chrome HP webOS Firefox OS GNU Emacs Termux
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens