A SQLite fork that replaces the B-tree storage engine with a content-addressed prolly tree, giving Git-like version control on a SQL database. The parser, planner, and VDBE stay upstream-derived above SQLite's btree.
MongoDB Alternatives
MongoDB is described as 'Document database with the scalability and flexibility that you want with the querying and indexing that you need' and is a very popular relational database in the development category. There are more than 100 alternatives to MongoDB for a variety of platforms, including Linux, Windows, Mac, Self-Hosted and Web-based apps. The best MongoDB alternative is PostgreSQL, which is both free and Open Source. Other great apps like MongoDB are SQLite, MySQL Community Edition, MariaDB and Redis.
Alternatives list
Managed cloud databases with flat monthly pricing: PostgreSQL, MySQL, FerretDB, Valkey, ClickHouse and more in one dashboard, plus a desktop app and CLI for local development.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)


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- 72 HSQLDB alternatives
HSQLDB (Hyper Structured Query Language Database) is a relational database management system written in Java. It has a JDBC driver and supports a large subset of SQL-92 and SQL:2008 standards. It offers a fast, small (around 1300 kilobytes in version 2.

JNSEDB is simple, persistable, fast and embeddable java nosql database dedicated to small applications. This database can be embedded to any java application without time wasting configuration. Add maven requirement and start using database.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Windows
- Linux
SQLGate is an integrated database management and development solution that simplifies the construction and operation of databases. A solution that fits different types of databases, SQLGate is customized for seven different databases that make up 83.2% of the DBMS market.
Cost / License
- Freemium
- Proprietary
Platforms
- Windows
- Online
- Self-Hosted


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Open Sqlite databases and explore the internal organisation of various objects such as schema, tables and indices. To understand how Sqlite3 data is organised, please see Database file format from Sqlite website.



Advantage Database Server is a full-featured, easily embedded, client-server, relational database management system that provides you with Indexed Sequential Access Method (ISAM) table-based and SQL-based data access.
Actian PSQL combines a NoSQL transactional engine and a SQL relational engine to deliver a zero-DBA database platform for business applications.






















