When you edit LaTeX, HTML, BibTeX or TeXinfo sources in Emacs, package
X-Symbol uses real characters for tokens like \oplus and provides
various input methods for them. Thumbnails for included images and
real super-/subscripts and are also supported
Elpoint is a presentation tool which runs on Emacs.
Dynamic presentation content can be developed easily.
Inline images can be displayed in the presentation.
The images can be retrieved from web sites only by pecifying the image's URL.