OnTheStacks alternatives

Tools that do what OnTheStacks 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 OnTheStacks.

Read 2026-10-27

With a free plan or free to use: Coresignal, Ultimaps, VisibilityKit, Bright Data, Geekflare, Scrapeless, SeeGeo.

10 alternativesUnlike OnTheStacks

#1
Agenty Data
Extracts structured data from websites using AI agents, with change detection and web crawling capabilities.
Also: Data extraction, AgentsMore widely used
505k
Active
From $49 once
2017
#2
Coresignal Data MCP · sign-in
Delivers company, employee, job and social-post records scraped from public web sources as bulk datasets or query APIs.
Free planAlso: Data extraction
13.8k
From $49/mo
2016
#3
Ultimaps Data MCP · open
Colors map regions from imported spreadsheet data and exports them as PNG, SVG or PDF, or publishes embeddable interactive maps.
Free planMore widely used
556k
Active
From ≈ $14 once
#4
VisibilityKit Data MCP · open
Crawls your site on your own machine and re-checks each fix against what the server returns, driven by an MCP-ready AI client.
Free planMore widely used
86
Maintained
From $79/mo
#5
Bright Data Data MCP · sign-in
Provides web scraping APIs, proxy infrastructure, and datasets for extracting structured data from websites at scale.
Free planAlso: Data extraction
81.9k
Active
From $0.20 per use
2014
#6
Geekflare Data MCP · open
Extracts structured data from websites and provides web search for AI agents via API.
Free planAlso: Data extraction, Agents
118k
Active
From $19/mo
2015
#7
Santos Website Intelligence Developer tools MCP · open
Audits a website's public signals (crawl access, structured data, APIs, security) and scores how usable it is by AI agents.
Same job
Little sign of use
Active
From $9/mo
#8
Hugging Face Data MCP · sign-in
Hosts machine learning models, datasets, and applications for collaborative development and deployment.
Also: Code generationMore widely used
1.1M
Active
From $9/mo
2016
#9
Scrapeless Data MCP · sign-in
Provides cloud browsers and APIs for autonomous agents to scrape web data, solve captchas, and automate browser tasks at scale.
Free planAlso: Agents
9.2k
Active
Free plan
#10
SeeGeo Data MCP · open
Crawls a website the way AI crawlers and search engines do, grading robots.txt access, structure and machine readability with fixes.
Free planAlso: Analytics
3
Active
From $49/mo
2026

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How this list is made: the words OnTheStacks 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.