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Best two things of Hugo:
- It's fast
- It has a lot of starters and themes

first

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".

Rubocop is probably the de facto linter and static code analyzer for Ruby. It comes with some "sensible" defaults, but it's really really flexible, so your team can easily customize your preferences. The hardest part is to align those preferences :) That's why probably Standard Ruby exists.

The best framework to build CLI applications in Ruby. It has a "core" package and then each component/feature (colors, prompts, tables, ...) is distributed as a different gem, so you install only what you need.