Alternativas ao Scrumi para PHP com licença de código aberto

• PHP
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Blackberry 10 Apple Watch iPad Android Tablet Kindle Fire Web Self-Hosted Software as a Service (SaaS) PHP Python Eclipse BSD Slack Chrome Ruby Bitcoin Microsoft Teams MySQL Community Edition Cloudron MariaDB Ruby on Rails Microsoft SQL Server PostgreSQL Sandstorm.io BitTorrent
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial