Alternativ till DemocracyOS för JSON med gratis licens

• JSON
  Alla plattformar Windows Mac Linux Android iPhone iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) JavaScript Python Ruby SQLite ZeroNet JSON PostgreSQL Redis Apache Solr
• Gratis licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens