Alternatif untuk alldone.io untuk Software as a Service (SaaS) dengan lesen sumber terbuka

• Software as a Service (SaaS)
  Semua platform Windows Mac Linux Chrome OS Android iPhone Blackberry 10 Apple Watch iPad Android Tablet Kindle Fire Web Self-Hosted Software as a Service (SaaS)
• Lesen Open Source
  Mana-mana lesen Lesen percuma Lesen Open Source Lesen komersil