To connect to Redis instances from within your application, use a Redis client library that matches your application’s language.

The Redis Clients page contains a list of available Redis client libraries for a variety of popular programming and scripting languages.

The following links discuss a few recommended clients in more detail, including installation instructions and usage examples.

Language Client reference
.NET Redis with .NET
C Redis with C
Drupal Redis with Drupal 7
Java Redis with Java
Node.js (ioredis) Redis with Node.js (ioredis)
Node.js (node_redis) Redis with Node.js (node_redis)
PHP Redis with PHP
Python Redis with Python
Ruby Redis with Ruby