
yEd Graph Editor
yEd is a powerful diagram editor that can be used to quickly create diagrams manually or import external data for analysis and auto-magically arrange even large data sets by just pressing a button.
PathVisio is a free open-source pathway analysis and drawing software that allows drawing, editing and analysing biological pathways.
PathVisio is a free opensource pathway analysis and drawing software that allows drawing, editing and analysing biological pathways. It provides a basic set of features for pathway drawing, analysis and visualization. Additional features as plugins.