SignalKit

Little tools to enhance your 37signals experience


Seamless integrations with the products you know and love.

Register in a single step.

No credit cards and no forms required.
Try every tool free for 30 days.
Sign in securely with your 37signals ID

Pricing and plan information is available on our plans page.

Over 1700 people have signed up for our first two tools.

Notifire

Integrates with:

Get an IM or SMS when someone enters your Campfire chatroom. It's a great way to enhance Campfire notifications with your team, and an easy way to add live chat support to any website.

37,000ft

Integrates with:

Every milestone and every todo, across every Basecamp project in every account. Plus every highrise task and all your Backpack reminders. All on one page.


Getting started is as easy as signing in with your 37signals ID.
Our products are designed and built to work solely with the 37signals products. We do this by seamlessly integrating with the 37signals ID system, and adding small bits of functionality to their suite of web applications.

We are not associated with 37signals, other than being huge fans and making products that work with their web apps, and we follow their brand guidelines. You can keep up with us on our blog where we announce new products and share some of the things we're learning along the way.