No, Redis Enterprise is not free. It's a commercial product offered by Redis Labs that provides an enhanced version of open-source Redis with additional features like automated scaling, higher availability, and data persistence among others.
While the open-source Redis software is free to use, Redis Enterprise comes with a cost because of its added functionality and support. Pricing details for Redis Enterprise can be found on the Redis Labs' official website.
However, Redis Labs does offer a free tier of their managed database service called "Redis Cloud", which could be suitable for small projects or development/testing scenarios. It has some limitations compared to the enterprise version.
It's important to note that while Redis Enterprise isn't free, it offers advantages such as:
To use Redis for free, you would typically install the open-source version yourself using commands like these on a Unix-based system:
Then, you would run Redis using the resulting executable:
Remember that using the open-source version requires more effort from you in terms of setup, maintenance, and manually handling issues like scaling and high availability.