Packages beginning with letter "D"

davmail DavMail is a POP/IMAP/SMTP/Caldav/Carddav/LDAP gateway for Microsoft Exchange
dcc a clients-server system for collecting checksums of mail messages.
displaylink DisplayLink VGA/HDMI driver for DL-6xxx, DL-5xxx, DL-41xx and DL-3xxx adapters
dkms-sysdig Kernel module required for live tracing, built via dkms
duc Duc, a library and suite of tools for inspecting disk usage