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Very useful gem to run distributed "cron" tasks over Redis. It works with minimal setup, you just need to define a YAML with your tasks and their scheduling time (that can be defined in natural language: "every 6 hours").

oh, don't like this gem. I think it's too complex and not very flexible.

I prefer to just write "render json: ..."

Amazing gem to integrate powerful search capabilities into your Rails application, on top of Elasticsearch. I recently used it to build a global "cross-model" smart search for a CRM. It even supports useful features, like: misspellings, suggestions, stemming, ... and can reindex data with no downtime.

Highly recommended gem if you need to display any string diff (ala "git diff") in your Ruby app. It can also display the output in HTML.

Wonderful library, a really cool project that allows you to build simple charts in console apps.

This simplifies a lot the way you run your services and the error or success management. Great idea!