Liquibase vs PgSync: What are the differences?

# Introduction
This Markdown code provides a comparison between Liquibase and PgSync focusing on their key differences.

1. **Architecture**:
   Liquibase is an open-source database-independent library that enables tracking, managing, and applying database changes as code. In contrast, PgSync is a tool specifically designed for synchronizing data between PostgreSQL databases.

2. **Functionality**:
   Liquibase mainly focuses on schema management and versioning of database changes, offering features like rollback, tagging, and labels. On the other hand, PgSync specializes in data replication and synchronization between PostgreSQL databases, ensuring consistency across environments.

3. **Supported Databases**:
   Liquibase supports a wide range of database management systems, including MySQL, Oracle, SQL Server, and more. In comparison, PgSync is dedicated to PostgreSQL databases, providing optimized performance and functionalities tailored for this specific database platform.

4. **Community Support**:
   Liquibase has a robust community and extensive documentation that facilitates learning, troubleshooting, and collaboration among users. While PgSync also has a supportive community, it may have a smaller user base due to its niche focus on PostgreSQL data synchronization.

5. **Ease of Use**:
   Liquibase offers a user-friendly interface, support for various workflows, and integration with popular development tools, making it accessible for developers of all levels. PgSync, with its streamlined design and PostgreSQL-specific features, provides a straightforward solution for data synchronization requirements within PostgreSQL environments.

6. **Cost**:
   Liquibase is free and open-source, making it a cost-effective option for organizations looking to implement database version management. In contrast, PgSync may involve licensing fees or additional costs for advanced features or enterprise support, depending on the specific use case and requirements.

In Summary, Liquibase and PgSync differ in their architecture, functionality, supported databases, community support, ease of use, and cost, providing users with distinct solutions for database management and data synchronization needs.