ERgent

ERgent

ERgent is an open source entity relationship diagramming software that enables users to model and design relational databases visually using ER diagrams. It provides features for drawing entities, relationships, attributes and mapping them to actual database tables and columns.
ERgent image
erd entity-relationship-diagram database-design

ERgent: Open Source Entity Relationship Diagramming Software

ERgent is an open source entity relationship diagramming software that enables users to model and design relational databases visually using ER diagrams. It provides features for drawing entities, relationships, attributes and mapping them to actual database tables and columns.

What is ERgent?

ERgent is an open source entity relationship diagramming and database modeling software. It allows users to visually model the entities, attributes, relationships of a system or business domain using ER diagrams. These diagrams can then be used to design and create the actual database schema.

Some of the key features of ERgent include:

  • Intuitive graphical interface for drawing ER diagrams with drag and drop
  • Ability to define entities, attributes, primary keys, relationships (1:1, 1:N, etc)
  • Visual database schema generator that maps the ER models to relational database tables and columns
  • Support for various database systems including MySQL, PostgreSQL, Oracle, SQL Server
  • Reporting capabilities to generate reports and documentation from the ER diagrams
  • Domain modeling and extension support to model intricate domains
  • Customizable templates and appearance
  • Open source with community based development

Overall, ERgent is an excellent open source tool for database designers, developers and analysts to model ER diagrams that represent the entities and relationships in their business system or domain. The visual interface alongwith automatic database schema generation makes it easy to implement databases from conceptual models.

ERgent Features

Features

  1. Visual ER diagramming
  2. Forward and reverse engineering
  3. Customizable appearance
  4. Validation checks
  5. Export diagrams to images
  6. Print diagrams
  7. Multi-page diagrams
  8. Customizable templates
  9. Supports multiple notations

Pricing

  • Open Source

Pros

Free and open source

Intuitive and easy to use

Active development and community support

Cross-platform availability

Good for learning database design concepts

Cons

Limited features compared to paid tools

Steep learning curve for advanced features

Lacks integration with database servers

Minimal documentation


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