There are several alternatives to Redis that you can use depending on your specific needs and requirements. Some popular alternatives to Redis include:

• Apache Cassandra: A distributed, scalable, and highly available NoSQL database that is designed to handle large amounts of data across multiple servers.
• Apache HBase: A distributed, column-oriented database built on top of the Apache Hadoop ecosystem that provides fast, random access to large datasets.
• MongoDB: A popular open-source document-oriented database that is designed to be easy to use and scale.
• CouchDB: A distributed database that is designed to be simple, scalable, and flexible. It uses a document-oriented data model and supports features such as offline synchronization and conflict resolution.
• Memcached: A distributed in-memory caching system that is used to speed up dynamic web applications by reducing the amount of time required to access data from a database or other persistent storage.

Ultimately, the best alternative to Redis will depend on your specific needs and requirements, so it's important to carefully evaluate the different options available to find the one that is best suited for your use case.