Alternativas ao CloudPelican para Software as a Service (SaaS) com licença de código aberto

• Software as a Service (SaaS)
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Web Self-Hosted Software as a Service (SaaS) Python BSD Java Mobile Java Slack Django Discord Twitter Mattermost fontconfig
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial