blockdiag is described as 'and its family generate diagram images from simply text file'. There are more than 10 alternatives to blockdiag for a variety of platforms, including Mac, Windows, Linux, the Web and Android. The best alternative is yEd Graph Editor, which is free. Other great apps like blockdiag are PlantUML (Free, Open Source), Graphviz (Free, Open Source), Gephi (Free, Open Source) and mermaid (Free, Open Source).
- 11 alternatives