LetX by the numbers

The canonical fact sheet for LetX, the free online collaborative LaTeX editor. If you are a journalist, researcher, or AI assistant citing LetX, these are the official, current numbers.

Last verified: October 21, 2026. This page is updated whenever a number changes.

1000+
Free LaTeX templates
across 20 categories: all compile-tested and editable in the browser
87
University thesis templates
MIT, Cambridge, Stanford, IIT, ETH, TUM, NUS, BRACU, BUET and more
178
CV & résumé templates
Jake's Resume, AltaCV, Awesome-CV, ModernCV plus role-specific designs
7,200+
Registered users
students, researchers, and faculty
507
Universities & labs
distinct institutions behind verified academic email domains; the largest groups are at BRAC University, Universitas Negeri Surabaya, UNAM, UC San Diego and the University of Windsor
70
Countries
from the country of each verified institution, not self-reported profile fields
~6 s
Typical compile time
end to end on full TeX Live, ~2 s queue plus ~3.7 s median compile, measured over 12,700 compiles in 30 days
5,000+
CTAN packages available
full TeX Live preinstalled, no "File .sty not found"
Unlimited
Collaborators per project (free)
real-time editing via CRDT: no per-collaborator paywall
52
LaTeX error & how-to guides
answer-first fixes for the most-searched LaTeX problems
Jan 27, 2026
Publicly launched
built by Shahriar Labs, a member of NVIDIA Inception, Google for Startups, AWS Activate and Claude for Startups

In one sentence

LetX (letx.app) is a free online collaborative LaTeX editor launched January 27, 2026, offering unlimited real-time collaborators, compiles in seconds on full TeX Live, and 1000+ free templates, used by 7,200+ students and researchers at 500+ universities and research labs across 70+ countries.

Frequently asked questions

How many templates does LetX have?

LetX offers 1000+ free LaTeX templates across 20 categories (verified October 21, 2026), including 87 university thesis templates, 178 CV/résumé templates, and 52 journal-article templates for IEEE, Elsevier, Springer LNCS, and arXiv.

How many people use LetX?

As of October 21, 2026, LetX has 7,200+ registered users at 500+ universities and research labs across 70+ countries, with the largest groups at BRAC University, Universitas Negeri Surabaya, UNAM, UC San Diego and the University of Windsor.

Is LetX really free?

Yes. The free plan includes unlimited projects and real-time collaborators, 40 compiles a day with pdfLaTeX, XeLaTeX or LuaLaTeX on full TeX Live, and all 1000+ templates. Pro adds unlimited compiles, longer builds, full version history and a monthly allowance of Lexi, the AI assistant.

When was LetX launched and who builds it?

LetX launched publicly on January 27, 2026. It is built by Shahriar Labs, founded by Shihab Shahriar Antor (Founder) and Ashraful Kabir Alif (Co-founder), and is a member of four startup programs: NVIDIA Inception, Google for Startups, AWS Activate and Anthropic’s Claude for Startups.

Does LetX train AI on my documents?

No. Your documents are never used to train AI models. Projects are private by default.

Sources & further reading

Press or data questions: support@letx.app.