LetX alternatives

Tools that do what LetX does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from LetX.

Read 2026-10-24 · LetX itself: Free plan · From $18/mo

With a free plan or free to use: PaperDock, granthOS, Revise, FreeToolSuite, Coda, Foxit PDF Services (MCP), MindMap AI, Cleanor Research Labs, SuperDocs.

10 alternativesUnlike LetX

#1
PaperDock Developer tools MCP · open
Collaborative online LaTeX editor where an AI assistant connected over MCP edits source and comments, with each text edit reviewable as a diff.
Also: AgentsOwn MCP server
5
Active
Free
#2
granthOS Developer tools
Browser-based LaTeX editor with AI assistance for drafting, formatting, and generating academic documents.
Also: Code generationMore widely used
348
Active
Free plan
#3
Revise Documents MCP · sign-in
Edits Word, PDF and Markdown documents in the browser, with an AI agent making tracked-change suggestions, format conversion and translation.
CheaperAlso: Agents, Translation
3.1k
Active
From $8/mo
#4
FreeToolSuite Documents
Collection of 33 free online tools for data formatting, document conversion, image manipulation, and calculations.
More widely used
3k
Maintained
#5
Coda Documents
Combines documents with tables, formulas, buttons and app integrations so teams build trackers, wikis and lightweight internal tools in one doc.
Also: Workflow automationMore widely used
3.6M
Active
From $12/user/mo
#6
Foxit PDF Services (MCP)Documents
Edits, converts, annotates and signs PDF files in desktop, mobile and web apps, and offers PDF SDKs and APIs for developers.
CheaperMore widely used
264k
Active
From $4.99/mo
1996
#7
Docusign Documents
Routes contracts to signers for electronic completion, tracks them, and extracts data from signed agreements for search and analysis.
CheaperAlso: Workflow automation
2.1M
Active
From $11/mo
2003
#8
MindMap AI Documents
Generates mind maps from text, PDFs, videos, audio, and webpages with AI-assisted editing and chat.
Also: Summarization, AnalyticsMore widely used
38.9k
Active
From $4.99/user/mo
2024
#9
Cleanor Research Labs Documents MCP · open
Converts, compresses and trims images, PDFs and audio in the browser, with files processed on the user's device rather than uploaded.
CheaperAlso: Image
129k
Active
From $4.17/mo
#10
SuperDocs Documents MCP · sign-in
Lets an AI edit text and structure inside a document from plain-language instructions, through a built-in editor, API or MCP server.
Same job
3
Active
From $20/mo

← LetX: the full card All Documents tools →

How this list is made: the words LetX is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.