Underanchor alternatives

Tools that do what Underanchor 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 Underanchor.

Read 2026-11-02 · Underanchor itself: Free plan

With a free plan or free to use: LetX, Samskrift, Bibliography generator with real page numbers, Read Aloud Reader, PaperDock, Revise.

10 alternativesUnlike Underanchor

#1
LetX Documents MCP · sign-in
Compiles LaTeX documents to PDF in a browser, with real-time co-editing by several authors at once.
More widely used
1.2k
Active
From $18/mo
2026
#2
Samskrift Documents MCP · sign-in
Edits LaTeX documents in a shared browser editor, compiling them to PDF with live co-author cursors and version history.
More widely used
Little sign of use
Active
#3
Bibliography generator with real page numbers Documents MCP · sign-in
Generates bibliographies and footnotes from downloaded PDFs, reading printed page numbers from the source pages themselves.
More widely used
2
Active
#4
Read Aloud Reader Documents
Converts pasted text, PDFs, DOCX, EPUB files or article URLs into speech using neural voices, with sentence highlighting and MP3 export.
Also: VoiceMore widely used
1.4k
Active
#5
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
#6
PDF to Markdown Documents
Reads PDFs and writes Markdown, rebuilding headings, lists, tables and links from OCR and layout analysis.
Also: Data extractionMore widely used
8
Active
From $190/yr
#7
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.
Also: Agents, TranslationMore widely used
3.1k
Active
From $8/mo
#8
NoteGPT Knowledge
Summarizes lectures, videos, and documents; generates notes, slides, and audio content for learning and research.
Also: Summarization, VideoMore widely used
1.3M
Active
From $9/mo
#9
Highlyt Documents MCP · sign-in
Tags highlights in PDFs by purpose, links them across documents, and serves them to Claude or ChatGPT through MCP.
Also: Search, Chat assistantMore widely used
4
Active
#10
GoodSign Documents MCP · open
Collects signatures on uploaded PDFs via emailed links, logging each open and signature to an audit trail.
Also: AgentsOwn MCP server
995
Active
From $1.50 per use

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How this list is made: the words Underanchor 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.