Logseq - Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
Mail Notification - Mail Notification monitors your mailboxes for new mail.
PopMan - PopMan is a POP3 and IMAP4 manager.
GNOME Gmail - Gnome Gmail is software which adds support for Gmail to the Linux Gnome Desktop.
nPOPuk - nPOPuk is an ultra-small, but comprehensive, e-mail client that runs on a wide range of...
CherryTree - A hierarchical note taking application, featuring rich text and syntax highlighting, storing data in a single xml or sqlite file.