Postgres is the endgame database. Gel supercharges it with a modern data model, graph queries, Auth & AI solutions, and much more.
Cost / License
- Freemium (Subscription)
- Open Source
Application type
Platforms
- Self-Hosted
- PostgreSQL
- Online

RethinkDB is described as 'The open-source database for the realtime web' and is an app in the development category. There are more than 50 alternatives to RethinkDB for a variety of platforms, including Linux, Windows, Mac, Self-Hosted and Web-based apps. The best RethinkDB alternative is SQLite, which is both free and Open Source. Other great apps like RethinkDB are PostgreSQL, MySQL Community Edition, MongoDB and MariaDB.
Postgres is the endgame database. Gel supercharges it with a modern data model, graph queries, Auth & AI solutions, and much more.

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.
Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.

With high throughput, sub-second latency and powerful functionality to automate business processes, BigchainDB looks, acts and feels like a database with added blockchain characteristics.
TidesDB is a fast and efficient key value storage engine library written in C. The underlying data structure is based on a log-structured merge-tree (LSM-tree).