Add hnjobs (#251)

Add a mention to abook, an early Linux addressbook from the early 1990s.

Although many distros have stopped packaging this, it can still be found in the Debian repos, or compiled manually.

README.md

@@ -386,14 +386,17 @@ List of projects that provide terminal user interfaces
 
 <details open><summary><h2>Productivity</h2></summary>
 
+- [abook](https://abook.sourceforge.io/) TUI addressbook with [mutt](http://www.mutt.org/) integration
 - [calcure](https://github.com/anufrievroman/calcure) Modern TUI calendar and task manager with minimal and customizable UI.
 - [calcurse](https://calcurse.org/) calendar and scheduling application for the command line
+- [clipse](https://github.com/savedra1/clipse) TUI-based clipboard manager application
 - [elia](https://github.com/darrenburns/elia) A terminal ChatGPT client build with Textual
 - [fjira](https://github.com/mk-5/fjira) TUI application for Atlassian Jira
 - [Glow](https://github.com/charmbracelet/glow) A markdown reader, designed from the ground up to showcase the elegance and capabilities of TUI.
 - [gocheat](https://github.com/Achno/gocheat) A beautiful TUI cheatsheet for keybindings,hotkeys,gestures and aliases
 - [hledger-ui](https://github.com/simonmichael/hledger) A fast TUI for browsing double entry bookkeeping data
 - [h-m-m](https://github.com/nadrad/h-m-m) Hackers Mind Map
+- [hnjobs](https://github.com/mwinters0/hnjobs) Find your next job on Who's Hiring
 - [kabmat](https://github.com/PlankCipher/kabmat) TUI program for managing kanban boards with vim-like keybindings
 - [kanban-python](https://github.com/Zaloog/kanban-python) Kanban Terminal App written in Python
 - [khal](https://github.com/pimutils/khal) A standards based CLI calendar program, able to synchronize with CalDAV servers