Alternativer til WebSequenceDiagrams til Google Drive med open source-licens

• Google Drive
  Alle platforme Windows Mac Linux Chrome OS Android iPhone iPad Android Tablet Web Software as a Service (SaaS) Microsoft Office Word Google Drive Google Drive - Docs Google Apps Microsoft Office Suite Google Drive - Sheets
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens