displays close, max and hide buttons in your panel - it can also use themes

mate-window-buttons-applet

MATE Window Applets (WindowButtons Applet)

The MATE Window Applets collection provides various applets to show window control elements in the MATE Panel.
displays the windowmanager menu(marco)

mate-window-menu-applet

MATE Window Applets (WindowMenu Applet)

The MATE Window Applets collection provides various applets to show window control elements in the MATE Panel.
displays the title of the active window in the panel

mate-window-title-applet

MATE Window Applets (WindowTitle Applet)

The MATE Window Applets collection provides various applets to show window control elements in the MATE Panel.
DuckDuckGo from the terminal

ddgr

DuckDuckGo from the terminal

Features
Goxel - castle

goxel

3D voxel editor

Goxel is a 3D program that lets you create voxel volumes. It supports 24 bits RGB colors, unlimited scene size and undo buffers. Layers, procedural generation and Marching Cube rendering. Exports to obj, ply, magica voxel, png, qubicle, povray, and more
font for scholarly use in classical and medieval languages

fonts-cardo

font for scholarly use in classical and medieval languages

Cardo is a large Unicode font specifically designed for the needs of classicists, biblical scholars, medievalists, and linguists. Since it may be used to prepare materials for publication, it also contains features that are required for high-quality typography, such as ligatures, text figures (also known as old style numerals), true small capitals and a variety of punctuation and space characters.