LetX icon
LetX icon

LetX

Real-time collaborative LaTeX editor with 1,000+ academic templates, free unlimited collaborators, and an AI assistant that compiles your document and fixes the errors it finds.

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Cost / License

  • Freemium (Subscription)
  • Proprietary

Application type

Platforms

  • Online
  • Software as a Service (SaaS)
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Features

Properties

  1.  Privacy focused
  2.  AI-Powered

Features

  1. LaTeX icon  Support for LaTeX
  2.  Real time collaboration
  3.  No Tracking
  4.  Ad-free
  5.  Syntax Highlighting
  6.  Cloud Sync
  7.  No Coding Required
  8.  Full-Text Search
  9.  Goal Tracking
  10.  LaTeX Editor
  11.  Team Collaboration

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LetX information

  • Developed by

    BD flagShahriar Labs

  • Licensing

    Proprietary and Freemium product.

  • Pricing

    Subscription ranging between $9 and $18 per month + free version with limited functionality.

  • Alternatives

    6 alternatives listed

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  • Supported Languages

    • English
LetX was added to AlternativeTo by Shihab Shahriar on and this page was last updated .
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Official Links

What is LetX?

LetX is a real-time collaborative LaTeX editor built for research teams, academics and students. Multiple authors edit the same document at once with no merge conflicts, using Yjs CRDT sync with live cursor presence.

Key features: • Free unlimited collaborators on every plan, including the free one • 1,000+ ready templates: IEEE, ACM, Springer, Nature, arXiv, university theses, CVs and Beamer decks • Compiles in a few seconds on hosted TeX Live with the full CTAN set, using pdfLaTeX, XeLaTeX or LuaLaTeX • Lexi, a built-in AI assistant that edits the document, runs the real compiler, reads the latexmk log and fixes the line that failed • A hosted MCP server, so Claude and ChatGPT can search templates, edit projects and compile to PDF directly • Bidirectional SyncTeX between source and PDF • Multi-file projects with a drag-and-drop file tree, image uploads and BibTeX • ZIP import and export for migrating from Overleaf • Roles (Owner, Editor, Viewer), email invites and share links • CodeMirror 6 editor with syntax highlighting, autocomplete and split-pane preview • Your documents are not used to train AI models without your explicit consent

Runs in any browser on Mac, Windows and Linux. Nothing to install.

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