Firebird vs HSQLDB: What are the differences?
What is Firebird? Relational database offering many ANSI SQL standard features that runs on Linux, Windows, and a variety of Unix platform. Firebird is a relational database offering many ANSI SQL standard features that runs on Linux, Windows, MacOS and a variety of Unix platforms. Firebird offers excellent concurrency, high performance, and powerful language support for stored procedures and triggers. It has been used in production systems, under a variety of names, since 1981.
What is HSQLDB? Leading SQL relational database software written in Java. It offers a small, fast multi-threaded and transactional database engine with in-memory and disk-based tables and supports embedded and server modes. It includes a powerful command line SQL tool and simple GUI query tools.
Firebird and HSQLDB can be primarily classified as "Databases" tools.
Firebird and HSQLDB are both open source tools. Firebird with 346 GitHub stars and 94 forks on GitHub appears to be more popular than HSQLDB with 11 GitHub stars and 5 GitHub forks.