Ask HN: What libraries do you prefer for low level tasks
There are tons of interesting and different libraries out there that does tons of things each in its own way.<p>Could you tell what libraries, plugins, gems do you use to accomplish a specific low level coding task. Provide your short reasoning for your choice whenever possible.<p>Mine is,<p>WYSIWYG textarea editor - CKEditor    - Main for its customizablity.
JS Library              - Jquery      - Its not lightweight, but for the overall built in features and plugings
CSS Framework           - Bootstrap   - At first I didn&#x27;t like adding non semantic classes, but the boost in productivity made me switch
Authentication          - Devise
CMS Engine for rails    - Comfortable mexican sofa - Makes no assumptions on layout
Simple validation       - Jquery validation plugin - Very Simple to integrate<p>This is no way a complete list, but these are some of the library I use for Specific low level tasks. What are some of your choices.