Heartbeat is free software. It's both free as in liberty (libre) and free as in "free beer" (gratis).
And it's a community development, with lots and lots of opportunties to contribute to the project - more than anyone knows.
If you appreciate Heartbeat, then contributing back to the project is one of the best ways to show that appreciation.
You can contribute to heartbeat - and the community will be poorer for it if you don't.
Here are a few more common ways to contribute to the project:
Spread the Word - tell others about Heartbeat
Give a talk at your LUG or other local user group - and put your talk on the Talks page
Write an article for a magazine or online e-zine about Heartbeat
Add articles you saw or wrote that to the PressRoom
Sell Support for it.
Become our project PublicityCzar - and make heartbeat more visible. Help us grow our customers and contributors.
Help other users
Update the web site - bring light out of darkness, and organization out of chaos
Procedure for updating the web site.
Find things that are R1 only (start with the ha.cf page) and mark them as R1 only, and vice versa.
Add to the FAQ
Add to the HowToContribute page (this page!)
Steal from others - like Firefox.
Help with the Education project - Making Heartbeat the best documented OSS project
Port heartbeat to other platforms
Support the developers