Ipe extensible drawing editor is a free vector graphics editor for creating figures in PDF or EPS format. It can be used for making small figures for inclusion into LaTeX documents as well as making multi-page PDF presentations.It is developed by Otfried Cheong since 1993 and initially worked on SGI workstations only. Ipe 6 was released in 2003 which changed the file format into XML code embedded into PDF and EPS files. Ipe 7 was released in 2009.