The easiest way to help improve Timeline is to use it and send feedback to the user mailing list: firstname.lastname@example.org.
Timeline is translated on Launchpad: http://translations.launchpad.net/thetimelineproj.
For instructions how to get started translating on Launchpad, check out this page: http://help.launchpad.net/Translations/StartingToTranslate.
If there is no binary package for Timeline on your platform you can help create one. Send an email to the user mailing list if you are interested: email@example.com.
The command below will get you the latest version of the source code
hg clone http://hg.code.sf.net/p/thetimelineproj/main
The HACKING file contains some information for working with the source code.
The STATUS file contains some information about what we are working on right now and what we are planning for the future.
Work on website
If you are interested in working on and maintaining this website, please send an email to the user mailing list: firstname.lastname@example.org.