Market Intel · Directories

Tool Directories: 308 compared.

As of 9 October 2026, FalcoScan tracks 308 tool directories, 308 of them still operating. 308 have a free plan and 22 offer an API. The market is crowded, with high saturation and established players. Paid placement never changes a rank.

Data updated 9 October 2026 · How markets are scored

46
Heat
23
Avg opportunity
80
Avg saturation
0 · 31
Hot / Rising
0%
Wrapper %
What winning looks like

How crowded is the tool directories market?

The tool directories market is crowded, with high saturation and established players: its products average 80 out of 100 on saturation as of 9 October 2026.

  • 308 tracked tools in the dataset. Filter the directory below by pricing, wrapper risk, or API access.
  • 0 hot · 31 rising. The rest are stable or declining.
  • 0% of the category is flagged wrapper risk. Low % = more defensible entrants. How wrapper risk is scored.
  • Opportunity 23 / saturation 80. Gap of 0 points tells you how much room a new entrant has.
Free tool directories

Which tool directories are free?

308 of the 308 still operating have a free plan as of 9 October 2026. The highest rated:

Tool Directories with an API

Which tool directories have an API?

22 of the 308 still operating offer an API as of 9 October 2026. The highest rated:

  • Zenodo · FreeGeneral-purpose open repository for research data
  • APIs.guru · FreeWikipedia for Web APIs
  • API.market · FreeThe Marketplace for APIs & AI Models
  • APILayer · FreeThe API Platform Developers Trust for Reliability and High Performance
  • World Bank Data Catalog · FreeSearch & Share Development Data
  • European Data Portal · FreeThe official portal for European data
  • ApisList · FreeFind the API before you build it
  • CB Insights · FreeFind the deal that will transform your company
Top opportunities

Where could a new entrant still win in the tool directories market?

Ranked by opportunity score × low saturation.

Moderate opportunity↑ Rising
llms.txt directory
Websites that provide llms.txt files for LLMs.
Open marketFree tier
Moderate opportunity↑ Rising
LLMs.txt Hub
Directory of AI-ready documentation implementing llms.txt
Open marketFree tier
Moderate opportunity↑ Rising
directory.llmstxt.cloud
Directory of llms.txt files across the web.
Open marketFree tier
Moderate opportunityStable
Zenodo
General-purpose open repository for research data
Contested marketFree tier
Moderate opportunityStable
APIs.guru
Wikipedia for Web APIs
Contested marketFree tier
Moderate opportunityStable
API.market
The Marketplace for APIs & AI Models
Contested marketFree tier
Moderate opportunityStable
APILayer
The API Platform Developers Trust for Reliability and High Performance
Contested marketFree tier
Moderate opportunityStable
World Bank Data Catalog
Search & Share Development Data
Contested marketFree tier
Moderate opportunityStable
European Data Portal
The official portal for European data
Contested marketFree tier
Moderate opportunityStable
ApisList
Find the API before you build it
Contested marketFree tier
Moderate opportunityStable
API Tracker
Discover the Best APIs and Developer Tools
Contested marketFree tier
Moderate opportunityStable
Data.gov
The Home of the U.S. Government's Open Data
Contested marketFree tier
Directory

Which 308 tool directories does FalcoScan track?

TOOLOPPSATMOMENTUMPRICING
llms.txt directoryModerateOpen↑ Risingfree
LLMs.txt HubModerateOpen↑ Risingfree
directory.llmstxt.cloudModerateOpen↑ Risingfree
ZenodoModerateContestedStablefree
APIs.guruModerateContestedStablefree
API.marketModerateContestedStablefree
APILayerModerateContestedStablefree
World Bank Data CatalogModerateContestedStablefree
European Data PortalModerateContestedStablefree
ApisListModerateContestedStablefree
API TrackerModerateContestedStablefree
Data.govModerateContestedStablefree
Dataset ListModerateContestedStablefree
DataHubModerateContestedStablefree
Hugging Face DatasetsModerateContestedStablefree
Registry of Open Data on AWSModerateContestedStablefree
Public APIs DevModerateContestedStablefree
Public APIs DirectoryModerateContestedStablefree
Open Data NetworkModerateContestedStablefree
APIs.ioModerateContestedStablefree
LLM Gateway ModelsModerateContestedStablefree
LLM ReferenceModerateContestedStablefree
LibHuntModerateContestedStablefree
Best of JSModerateContestedStablefree
Made with React.jsModerateContestedStablefree
Made with Vue.jsModerateContestedStablefree
prompts.chatModerateContestedStablefree
CB InsightsModerateContestedStablefree
DealroomModerateContestedStablefree
Startup TrackerModerateContestedStablefree
StartupDatabase.phModerateContestedStablefree
Wellfound StartupsModerateContestedStablefree
Y Combinator Startup DirectoryModerateContestedStablefree
StartupHub.aiModerateContestedStablefree
Indie HackersModerateContestedStablefree
PeerlistModerateContestedStablefree
CrunchbaseModerateContestedStablefreemium
Not Human SearchLowContested↑ Risingfree
AI Agents ListingLowContested↑ Risingfree
LatkaLowContestedStablefreemium
TracxnLowContestedStablefreemium
AI Agent StoreLowContested↑ Risingfree
AI Agents ListLowContested↑ Risingfree
AgentsIndexLowContested↑ Risingfree
ClaudSkillsLowContested↑ Risingfree
AI Agents LiveLowContested↑ Risingfree
AI Agents Directory (ai-agents-directory.com)LowContested↑ Risingfree
Agentverse MarketplaceLowContested↑ Risingfree
Metaschool AI AgentsLowContested↑ Risingfree
AgentHunterLowContested↑ Risingfree
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FAQ

What else do people ask about tool directories?

Which tool directories are free?

308 of the 308 tool directories FalcoScan tracks have a free plan as of 9 October 2026, including llms.txt directory, LLMs.txt Hub and directory.llmstxt.cloud. The highest rated are listed at https://falcoscan.com/browse/directories#free.

Which tool directories have an API?

22 of the 308 tool directories FalcoScan tracks offer an API as of 9 October 2026, including Zenodo, APIs.guru and API.market. The highest rated are listed at https://falcoscan.com/browse/directories#api.

How many Directories AI tools are tracked on FalcoScan?

FalcoScan currently tracks 308 directories AI tools. Each listing shows when its data was last updated, every product still running links to its own site, and market figures refresh daily. See the full list at https://falcoscan.com/browse/directories.

Is the Directories AI market saturated?

The Directories market currently scores 80/100 on FalcoScan's saturation index: crowded, with high saturation and established players. Saturation is measured by tool density, overlap of core features, and wrapper share.

What is the current FalcoScan Heat Score for Directories?

As of the latest nightly refresh, Directories has a Heat Score of 46/100, with 0 tools tagged "hot" and 31 tagged "rising". Heat Score is a weighted composite of growth momentum, trend direction, opportunity, recency, and the FalcoScan rating. Full methodology at https://falcoscan.com/methodology#heat-score.

How much opportunity is left in Directories?

The Directories market has an average Opportunity Score of 23/100 across its tracked tools. Opportunity is FalcoScan's estimate of addressable-market signals, competitive differentiation, and room for new entrants. Higher is better for builders.

Which Directories AI tool ranks highest on FalcoScan right now?

llms.txt directory is currently the top-ranked directories tool on FalcoScan by combined opportunity and low saturation. Rankings change as the data refreshes nightly. See the full ranked list at https://falcoscan.com/browse/directories.

Scoring methodology: /methodology.

Related markets

Which markets are closest to the tool directories market?

Nearest in heat, opportunity, and saturation to Directories.

Heat 41Writing321 tools · opp 40Heat 49Social245 tools · opp 54Heat 58Image395 tools · opp 49Heat 58Design336 tools · opp 52
Reading

What should you read about tool directories?

Which tool directories does FalcoScan list, A to Z?

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