Description: astah Community is a free, open-source UML diagramming tool for Windows, macOS and Linux. It supports various UML diagrams like class, sequence, use case diagrams to model software systems. The community edition has limited features compared to the professional edition.
Type: software
Pricing: Open Source
Description: PlantUML is an open-source tool for creating UML diagrams from plain text. It supports all standard UML diagrams like use case diagrams, class diagrams, sequence diagrams, etc. PlantUML allows users to write simple textual descriptions which are then transformed into UML diagrams.
Type: software
Pricing: Free