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Overleaf vs AUCTeX: catalog facts
Overleaf	AUCTeX
Freemium A free tier is available. Paid plans add collaborators and compile time. A community…	Free Free software from the GNU Project.
Web, Self-hosted	Windows, macOS, Linux
No local TeX installation, and collaborators can join instantly Large template library for journals, theses and CVs	Supports LaTeX, ConTeXt, Texinfo, AMS-TeX and docTeX preview-latex shows formulas as images in the source
Free accounts limit collaborators and compile time Self-hosting the community edition lacks many hosted features	Requires GNU Emacs and familiarity with it Needs a separate TeX distribution to compile documents
Web application, Self-hosted	Downloadable app
Open source	Open source
License: AGPL-3.0	License: GPL-3.0-or-later
Account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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