Daemonratte - lead developer
https://git.devuan.org/Daemonratte

greenjeans - collaborator
https://git.devuan.org/greenjeans

Note that a LOT of people are contributing to gtk2-ng, and some parts of it 
like the .deb packages are being maintained by other people. The people listed 
above are meant as contacts for administrative questions. The best way to get
involved is by registering an account at : https://git.devuan.org/ for any
feature requests or issues. You can also register an account on the Devuan
users forum : https://devuanusers.com/index.php and post or message/email
any one of us.