LewisR posted (2015/12/23) on the Netlab's Lucide Wiki that Arca Noae will keep developing it.
http://trac.netlabs.org/lucide
It says:
"Development of Lucide has been renewed as of December, 2015, in cooperation with Arca Noae, LLC and affiliated developers. Further details regarding new releases will be made as work progresses."
Source: eCSoft/2