Alternativ till Flowlingo för Software as a Service (SaaS) med gratis licens

• Software as a Service (SaaS)
  Alla plattformar Windows Mac Linux Chrome OS Android iPhone Windows Phone Apple Watch iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Windows Mobile Chrome Moodle
• Gratis licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens