DevDocs combines multiple API documentations in a fast, organized, and searchable interface.

Pretty awesome project. You can select multiple docs to be searched simultaneously, offline in your browser. Supports OpenSearch Show archive.org snapshot , so you can hit Tab in your Chrome and search your downloaded docs.

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

• Prevents you from data breaches and liability risks
• Upgrade at your own pace
• Works with modern Rubies

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