ivtools (pronounced eye-vee-tools) is a suite of free X Windows drawing editors for PostScript, TeX, and web graphics production, as well as an embeddable and extendable vector graphic shell.

It is made up of layered collection of free C frameworks that vertically augment the mechanisms of Unidraw.

  • an application framework for developing direct manipulation graphical editors (drawing editors).
  • a GUI widget framework built on TeX structured document concepts
  • a command interpreter with network capability. an extra layer of drawing editor application framework
  • a layer for integrating the command interpreter into the drawing editor
  • a layer for multi-frame applications
  • a layer for graph/network applications