Alternativas ao Quilter para Firefox com licença gratuita

• Firefox
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Firefox BSD Steam PortableApps.com Java Electron / Atom Shell Apple Messages Chrome Terminal LibreOffice Apache OpenOffice Console Termux
• Licença gratuita
  Qualquer licença Licença gratuita Licença Open Source Licença comercial