Top Alternatives to H2 Database Engine

MySQL Community Edition is the widely adopted open-source relational database management system (RDBMS). It provides a robust, high-performance, and scalable solution for various applications, from small web projects to large-scale enterprise systems. Its reliability and rich feature set have made it a cornerstone of modern data management.

SQLite is a widely adopted open-source embeddable database engine, known for its serverless architecture, zero configuration, and small footprint.

PostgreSQL is a robust, open-source object-relational database system renowned for its extensibility, standards compliance, and advanced features. It is highly regarded for its reliability, data integrity, and performance, making it a popular choice for critical enterprise applications and data warehousing.

MongoDB is a leading free and open-source NoSQL database, designed for modern applications. It offers a flexible document data model, high performance, and seamless scalability, making it ideal for various use cases from mobile to enterprise applications.

MariaDB is a robust, open-source relational database management system, forked from MySQL. It offers enhanced performance, security, and scalability, making it a popular choice for a wide range of applications, from small websites to large enterprise systems.

LibreOffice Base is a robust desktop database application designed to streamline the process of creating, managing, and querying databases. It provides an intuitive interface suitable for both beginners and experienced users, facilitating easy data handling and reporting.

Microsoft SQL Server is a robust relational database management system offering industry-leading performance, security, and availability. It supports a wide range of data management and analytical applications, from small-scale departmental use to large-scale enterprise deployments.

Apache CouchDB is a schema-free NoSQL database built for reliability and scalability, particularly in offline-first applications. It emphasizes ease of use and fault tolerance by using a peer-based distribution model and a robust replication mechanism. Its HTTP-based API and JSON document format make it developer-friendly.

FileMaker Pro is a robust, cross-platform relational database application designed for creating custom business solutions. It empowers users to build and deploy custom applications for managing data, automating workflows, and generating reports across multiple devices.

Oracle Database is a leading object-relational database management system renowned for its robustness, scalability, and comprehensive features catering to critical business applications and large-scale data management.

RethinkDB is a free and open-source, distributed document database designed for building real-time web applications.

Hazelcast is a leading open-source distributed in-memory data grid and stream processing platform designed for high-performance, low-latency applications. It provides incredibly fast data access and processing by keeping data in RAM across a cluster of machines, enabling real-time responsiveness.

Couchbase is an open-source, distributed NoSQL cloud database that provides high-performance, flexibility, and scalability for modern applications, optimized for interactive systems requiring low latency and high throughput.

Firebird is a powerful, open-source relational database management system (RDBMS) known for its small footprint, high performance, and low maintenance requirements. It offers support for major ANSI SQL standards, making it a reliable choice for various applications from embedded systems to enterprise solutions.

Apache OpenOffice Base is a robust desktop database management system designed to cater to a wide range of database needs, from simple home use to complex business applications, offering a user-friendly interface for creating and managing databases.