Arronax is a program to create and modify starters (technically: .desktop files) for applications and locations (URLs). Arronax can be used as a standalone application or as a plugin for the file managers Caja, Nautilus or Nemo. Arronax is written in Python and uses GTK for the graphical user interface.
MATE eiciel is a Graphical editor for access control lists (ACLs) and extended attributes (xattr), either as an extension within Caja, or as a standalone utility. It's based on Eiciel by Roger Ferrer (http://rofi.roger-ferrer.org/eiciel/).
An extension for caja which allows encryption and decryption of OpenPGP files using GnuPG. Ported to Caja from seahorse-nautilus.
A Python2 module to search and download subtitles, forked from persicope by Patrick Dessalle. Includes a caja extension.
clamtk-mate is a simple plugin for ClamTk to allow a right-click context menu scan of files or folders in the Caja file manager. It's based on clamtk-gnome by Dave M.
Caja extension to add important information about the current git directory. This project is based on nautilus-git by Bilal Elmoussaoui.