Guard::Compass automatically rebuilds scss|sass files when a modification occurs taking in account your compass configuration.

Guard plugin for the Hologram gem (https://github.com/trulia/hologram)

Guard::Annotate automatically runs the annotate gem when needed

Display system notifications after running tests. It works on Mac OS X, Linux and Windows. Powerful when used with autotest or guard.

guard + bundler-audit = security

Run jasmine-headless-webkit using guard

guard-rails-assets automatically generates JavaScript, CSS, Image files using Rails assets pipelie

These RSpec matchers allow guarding against N+1 queries by specifying exactly how many queries you expect each of your ActiveRecord models to perform.

add a plugin to guard to work with standardrb.

Allows multiple environments in database.yml, and dynamically switching them.

Allow an object's API to provide flexible handler registration, storage and matching to arbitrary events.

A Guard for jshintrb.

Guard::Cane automatically runs Cane when files change

Guard::ConsistencyFail automatically runs consistency fail when model or schema.rb changes

Guard plug-in that allows you to restart Foreman

Compiles file.html.haml into file.html

Automatically rebuilds Nanoc sites

Guard Javascript changes, ensuring JSHint complience

Guard::HamlLint automatically runs Haml Lint tools.

Obtain manual db locks to guard blocks of code from parallel execution.Supports mysql, postgres and ms-sql-server.