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Top 6 Ruby Cache Projects
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IdentityCache
IdentityCache is a blob level caching solution to plug into Active Record. Don't #find, #fetch!
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Project mention: How Solid Queue Became the Rails 8 default, and More on Open Source Maintainership | dev.to | 2026-06-23
Disks got fast. Redis got optional. Solid Queue is built on the same insight as Solid Cache: modern database storage is cheap and fast enough that you don't need a separate in-memory service for a lot of production workloads.
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Second Level Cache
Write Through and Read Through caching library inspired by CacheMoney and cache_fu, support ActiveRecord 4, 5 and 6.
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mudis
Mudis is a fast, thread-safe, in-memory, sharded LRU cache for Ruby applications. Rails and Hanami (or any Rack) compatible.
Ruby Cache discussion
Ruby Cache related posts
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How Solid Queue Became the Rails 8 default, and More on Open Source Maintainership
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Getting Started With Caching in Ruby on Rails
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Setting Up Solid Cache on Heroku with a Single Database
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Replacing a Cache Service with a Database
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DHH – I f**king hate this
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Stripe Elements in Rails and Payments Without Email Submissions
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Show HN: Gem for Rails cache, better performance and compression with Brotli
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A note from our sponsor - SaaSHub
www.saashub.com | 19 Jul 2026
Index
What are some of the best open-source Cache projects in Ruby? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | IdentityCache | 1,967 |
| 2 | solid_cache | 1,023 |
| 3 | Second Level Cache | 394 |
| 4 | graphql-ruby-fragment_cache | 235 |
| 5 | cache-crispies | 162 |
| 6 | mudis | 29 |