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Great library if you want to add feature flags to your app. I like the flexibility and ability to fully/partially/specifically enable features.

The most complete geocoding solution for Ruby and Rails apps. You can configure different lookup services and databases. It also provides some useful methods like "near".

Sidekiq-Cron is a very helpful gem for setting up and managing recurring jobs with Sidekiq. It makes scheduling cron jobs easy and supports both cron expressions and natural language formats. The Web UI is simple to use, and the gem offers great features like second-precision scheduling and timezone customization. A great tool for anyone managing background jobs in Ruby on Rails apps!

A good gem to create a simple PDF, but the main risk I see is that the last release of the gem happened in 2020. Also, you cannot "edit" PDFs with it. So in my case I used "hexapdf" gem

Awesome! The best solution to preview emails in the browser

Exceptional open-source JavaScript library for creating immersive 3D graphics experiences on the web. Easy to use and great documentation and examples. The community behind it is awesome, so you'll always find support and inspiration to push your projects to the next level.