NeoDraw

NeoDraw is a vector graphics editor for Windows 3.x, developed by NeoSoft. It has a native .teo graphics format.

Disambiguation
Not to be confused with:
 * NeoOffice Draw - a component of NeoOffice
 * NeoPaint - a better-known NeoSoft product
 * NEOchrome

Identification
TEO files are observed to start with bytes.

Software

 * ([ another copy])