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AUCTeX vs WinEdt: catalog facts
AUCTeX	WinEdt
Free Free software from the GNU Project.	Paid Commercial software that requires registration; see the registration page for terms.
Windows, macOS, Linux	Windows
Supports LaTeX, ConTeXt, Texinfo, AMS-TeX and docTeX preview-latex shows formulas as images in the source	Designed around LaTeX with MiKTeX and TeX Live integration Built-in PDF viewer with SyncTeX forward and inverse search
Requires GNU Emacs and familiarity with it Needs a separate TeX distribution to compile documents	Windows only Paid registration required
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.