Lucidchart
Freemium
Lucidchart is a web-based application to draw diagrams.
yEd Graph Editor
Free
yEd is a free general-purpose diagramming program with a multi-document interface.
Creately
Freemium
Creately is a collaborative diagramming and design software used by teams around the world to communicate more effectively.
Edraw Max
Commercial
Edraw Max is comprehensive mind mapping and planning tool network diagrams, floor plans, workflow diagrams, business charts, and engineering diagrams.
Dia
Open Source
Dia is free and open source drawing software.
Pencil Project
Open Source
Pencil Project is an open-source GUI prototyping tool.
PlantUML
Open Source
PlantUML is an open-source tool allowing users to create UML diagrams from a plain text language.
Compare Gliffy with alternatives
Compare yEd Graph Editor and Gliffy and decide which is most suitable for you.
Compare Pencil Project and Gliffy and decide which is most suitable for you.