FREEDOM251

Freedom251 › Developer Tools

Free and open first

Best Caching Software in 2026

Caching software supports different cache targets and ways of serving data, so compare the supported cache engines and deployment options against your setup. Data persistence and high availability describe further distinctions, while edge caching may matter for where cached data is handled. The ranked entries also show free-plan availability and paid-from pricing. Amazon ElastiCache, Aiven for Valkey, and Memcached are among the products listed, alongside Squid and Hazelcast Platform. Review the technical fields together with cost details to see which options align with the cache workload and operating requirements you have.

  1. 1

    Apache Traffic Server

    Free plan Open source APILinuxMac+1

    Apache Traffic Server combines caching, proxying, and layer 7 load balancing in a self-hosted server. Its deployment options and plug-in APIs suit organizations that need to tailor proxy behavior.

    9.2 Open source Visit site
  2. 2

    Ehcache

    Free plan Open source APISelf-hosted

    Ehcache combines Java caching with JCache compatibility, off-heap options, and several deployment patterns. Check the Java and XA transaction limits against your requirements before choosing it.

    8.8 Free plan Visit site
  3. 3

    Aiven for Valkey

    Free plan APILinuxWeb

    Aiven for Valkey offers managed Valkey with several administration paths and real-time workload features.

    7.6 Free plan · paid from $15/mo · 30-day trial Visit site
  4. 4

    Amazon ElastiCache

    Free plan APILinuxMac+2

    ElastiCache offers serverless and node-based deployment choices alongside multiple caching engines and AWS integrations.

    7.6 From $6/mo Visit site
  5. 5

    cache2k

    Free plan AndroidAPILinux+1

    cache2k provides Java applications with in-memory caching, configurable loader behavior and multiple monitoring options.

    7.5 Open source Visit site
  6. 6

    Garnet

    Free plan LinuxMacSelf-hosted+1

    Choose Garnet if you need a free, self-hosted cache-store with RESP client support, persistence options and cluster features.

    7.4 Free plan Visit site
  7. 7

    Hazelcast Platform

    Free plan APILinuxMac+2

    Choose Hazelcast Platform for real-time applications that need distributed compute, an in-memory data store, and streaming capabilities in one runtime.

    7.3 Free plan Visit site
  8. 8

    Memcached

    Free plan APILinuxMac+1

    Memcached is a developer-oriented cache with configurable expiration and an LRU default eviction policy.

    7.2 Free plan Visit site
  9. 9

    Caffeine

    Free plan Self-hosted

    Caffeine provides Java applications with configurable in-memory caching, including asynchronous loading and refresh. Check the Java version guidance before choosing between the 3.x and 2.x releases.

    7.1 Open source Visit site
  10. 10

    Infinispan

    Free plan APILinuxSelf-hosted

    Infinispan combines distributed in-memory storage with search, caching, and transaction features, and can be deployed in several forms.

    7.1 Free plan Visit site
  11. 11

    Ristretto

    Free plan LinuxMacSelf-hosted+1

    Ristretto offers an in-process Go cache with cost-based eviction and concurrent access. Account for possible dropped new-item Sets and the single-process scope when choosing it.

    7.1 Open source Visit site
  12. 12

    Squid

    Free plan LinuxMacSelf-hosted+1

    Squid offers self-hosted caching, access controls, and multiple cache arrangements without a software charge.

    7.1 Free plan Visit site
  13. 13

    Varnish Cache

    Free plan LinuxSelf-hosted

    Varnish Cache combines memory-based response caching with configurable policies, TLS support, and tools for logging and metrics.

    6.7 Free plan Visit site
  14. 14

    simpleCache

    Free plan MacWindows

    Choose simpleCache if you work in R and want to reuse objects across analysis scripts, sessions, or pipeline runs. Its batchtools interface also supports cluster resource manager workflows.

    6.5 Free plan Visit site
  15. 15

    Alibaba Cloud Tair

    Free trial APIWeb

    Tair combines Redis protocol compatibility with multiple architectures, data structures, and operational controls.

    6.3 30-day trial Visit site
  16. 16

    Google Guava Cache

    Free plan AndroidLinuxWindows

    Google Guava Cache is a focused free cache with two listed engines and support for several platforms and value types.

    6.1 Free plan Visit site
  17. 17

    Google Cloud Memorystore

    Free trial APIWeb

    Memorystore offers multiple engine options with managed operations, private connectivity and monitoring.

  18. 18

    Azure Managed Redis

    Paid APIWeb

    Azure Managed Redis offers several tiers, high availability, and security controls across tiers, with data capabilities that differ on Flash Optimized.

  19. 19

    Varnish Enterprise

    Free trial LinuxSelf-hosted

    Varnish Enterprise combines programmable edge logic, persistent caching, and multiple deployment paths for demanding delivery workloads.

    5.6 Pricing on request · 30-day trial Visit site
  20. 20

    Momento Cache

    Paid APIWeb

    Momento Cache handles core Valkey operations while offering both simplified and configurable capacity choices. Check regional pricing and transfer needs when estimating the service’s cost.

    5.3 From $0.01 Visit site
  21. 21

    Varnish Gateway

    Free plan
    5.2 Free plan Visit site
  22. 22

    DigitalOcean Managed Caching for Valkey

    Paid Web

    The service offers managed Valkey caching with persistent data and high availability across several fixed resource tiers. The listed monthly plans range from 15.00 USD to 960.00 USD.

    4.7 From $15/mo Visit site
  23. 23
  24. 24
    4.4 From $0.02 Visit site
  25. 25

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

More in Developer Tools