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Blazer

SQL queries, charts and dashboards for your team, mounted in your app

Takes off your invoice

You would run instead $0/mo

5.0 · 1 rating
Gem
blazer
Repository
ankane/blazer
License
MIT
Stars
4,400
Added
August 12, 2026
Blazer mounted at /blazer
Blazer mounted at /blazer

About

Blazer is a business intelligence tool that mounts into your Rails app. Your team
writes SQL, saves it, charts it, and puts it on a dashboard.

What you get

  • Saved queries with variables
  • Automatic charting from the shape of the result set
  • Dashboards composed of saved queries
  • Checks that email when a query starts returning rows
  • An audit trail of who ran what

Mounting it

ruby
# Gemfile
gem "blazer"

# config/routes.rb
authenticate :user, ->(user) { user.admin? } do
  mount Blazer::Engine, at: "/blazer"
end

Why mount it

A hosted BI tool needs a database user, a network path in, and a per-seat
subscription. Blazer needs a route.

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