Top 9 Data Modeling Tools & Software 2021 – IT Business Edge

Data modeling is the procedure of crafting a visual representation of an entire information system or portions of it in order to convey connections between data points and structures. The objective is to portray the types of data used and stored within the system, the ways the data can be organized and grouped, the relationships among these data types, and their attributes and formats. Data modeling uses abstraction to better understand and represent the nature of the flow of data within an enterprise-level information system. 
The types of data models include:
Database and information system design begins with the creation of these data models. 
A data modeling tool enables quick and efficient database design while minimizing human error. A data modeling software helps craft a high-performance database, generate reports that can be useful for stakeholders and create data definition (a.k.a. data description) language (DDL).
Good database design decreases the probability of failure, lessens maintenance effort and speeds up the time taken to complete a task.   
A good data modeling software tool offers the following features and capabilities:
Here is all you need to know about the best data modeling software.
Also read: Steps to Improving Your Data Architecture
Here are the best data modeling software tools, in no particular order. 
erwin Data Modeler is a data modeling software used to standardize, deploy, design, visualize and find high-quality enterprise data assets. With the tool, you can document and discover any data from any source for artifact reuse, clarity and consistency across large-scale data integration, analytics initiatives, business intelligence (BI), Big Data, metadata management and master data management, all while supporting intelligence and data governance efforts. 
Key Differentiators
Pricing: You can purchase the Standard Edition for $2,948.82 and the Workgroup Edition for $4,423.82, both on a 12-month subscription. 
Idera ER/Studio Enterprise Team Edition is a tool for enterprise-scale data modeling and governance. The tool performs impact analyses and change management of new policies or projected changes to data fields, data models or databases, ensures consistency between data models and database design and lays the foundation for data management, data governance frameworks, and robust data governance while ensuring ease and accuracy.
Key Differentiators
Pricing: Contact the Idera sales team for special discounted pricing. 
DbSchema Pro is a universal database designer and graphical user interface (GUI) tool for out-of-the-box schema documentation and management, sharing the schema in the team and deploying on relational and NoSQL databases, including MySQL, Snowflake, Google, Redshift, MongoDB, Microsoft SQL Server, PostgreSQL, SQLite, and MariaDB.
Key Differentiators
Pricing: You can download DbSchema Free for Windows, macOS, and Linux environments and use it for two weeks, free of cost, after which you can purchase a Pro license. A DbSchema Pro Commercial License costs $294 per user.
ERBuilder Data Modeler is an easy-to-use, all-around data modeling solution for data modelers and data architects. The software allows you to design databases by using entity relationship diagrams (ERDs) and generates the most popular SQL databases automatically. 
The tool also allows you to easily deploy databases, significantly reduces errors in database development and helps visualize physical model structures to analyze, modify and optimize the solution.
Key Differentiators
Pricing: An Enterprise License costs $199 per user, per year. 
Also read: Top Data Science Tools 2021
Launched in 2002, HeidiSQL is an open source data modeling software. The tool enables you to visualize and edit data and structures from computers running database systems like MariaDB, Microsoft SQL, MySQL, SQLite, and PostgreSQL. 
Key Differentiators
Pricing: Free
Navicat Data Modeler is a powerful, cost-effective data modeling and design tool that enables you to create high-quality conceptual, logical and physical data models for a number of use cases. 
You can visually design database structures, print data models to files, generate complex SQL/DDL, import models from Open Database Connectivity (ODBC) sources and perform forward and reverse engineering processes. The tool supports numerous database systems, including Oracle, MariaDB, MySQL, SQLite, SQL Server and PostgreSQL.
Key Differentiators
Pricing: The software is available for Windows, macOS, and Linux environments and can be purchased for $229.99 on an annual subscription. 
Toad Data Modeler is a streamlined and cross-platform database modeling tool that enables you to easily and quickly create high-quality data models. The software offers forward and reverse engineering capabilities and allows you to create logical and physical data models, rapidly generate complex SQL/DDL, synchronize and compare data models and create and modify database scripts and schemas.  
Key Differentiators
Pricing: Contact the sales team to request pricing for Toad Data Modeler. 
Archi is an open source data modeling toolkit for creating ArchiMate data models and sketches. The ArchiMate language is an open, independent Enterprise Architecture standard that supports the visualization, analysis, and description of architecture across and within business domains. 
Key Differentiators
Pricing: Free
DeZign for Databases is an intuitive, robust and easy-to-use data modeling tool for developers and database administrators that can help you visualize database structures to create new databases or reverse-engineer existing databases to optimize, analyze, document and modify them. 
Key Differentiators
Pricing: You can purchase the software for $114.57 per month, paid annually. 
erwin Data Modeler is a tool that makes it easy to understand, design, and deploy data sources to meet business requirements. Idera ER/Studio Enterprise Team Edition offers several logical and physical data modeling, conceptual modeling, UML modeling, data sources and platforms and model and metadata repository capabilities. 
DbSchema Pro’s visual tools can help decision-makers, database administrators and developers manage, explore and query data. ERBuilder Data Modeler is a complete data modeling tool for high-quality data models. HeidiSQL is one of the most popular data modeling tools for MariaDB and MySQL. 
Navicat Data Modeler is a feature-laden database design tool that supports multiple database systems. Toad Data Modeler simplifies documentation, maintenance, and design. The Archi data modeling toolkit is ideal for enterprise architects to create ArchiMate models and sketches.
DeZign for Databases is a data modeling software for database professionals that can help you create, model, and maintain databases. The data modeling tools mentioned in this guide are incredible solutions in their own right. Carefully examine each tool and opt for one that best represents the requirements of your organization.
Read next: Data Management with AI: Making Big Data Manageable
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