Search & Knowledge AI Tools

Discover 74 search & knowledge AI tools

A favicon of Trickle

Trickle

Turn your ideas into live apps and websites with AI.
Code & DevelopmentHostedFree tierReviewed
PriceFrom $0/month
Best forFounders & Designers
SignalFounded 2025
CheckedSep 17
A favicon of Lexica

Lexica

The fastest way to generate AI art.
Image Generation & EditingHostedPaidReviewed
PriceFrom $8/mo
Best forDesigners & Content Creators
CheckedSep 14
A favicon of BooksAI

BooksAI

Summarize your favorite books with AI
Education & LearningHostedFree tierReviewed
PriceFree tier
Best forBook learners & busy professionals
CheckedSep 13
A favicon of Connected Papers

Connected Papers

Explore connected papers in a visual graph
Research & ScienceHostedFree tierReviewed
PriceFree tier
Best forAcademic researchers
CheckedSep 13
A favicon of Journeai

Journeai

AI-powered trip planning for seamless travel
Productivity & WorkflowHostedReviewed
PriceUnknown
Best forTravelers
CheckedSep 7
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Ayraa

Turn your ideas into action with limitless automations.
Productivity & WorkflowHostedFree tierReviewed
PriceFrom $12/mo
Best forTeams & Enterprises
SignalSOC 2 Type 2 Certified
CheckedSep 4
A favicon of Darrow AI

Darrow AI

AI research lab for the legal ecosystem, surfacing emerging risk before it escalates.
Legal & ComplianceHostedReviewed
PriceContact sales
Best forLegal professionals & insurers
CheckedAug 8
A favicon of MyMind

MyMind

Your private place to save and organize everything.
Productivity & WorkflowHostedFree tierReviewed
PriceFree tier
Best forPersonal digital organization
SignalGDPR, CCPA Compliant
CheckedJul 29
A favicon of ChatPDF

ChatPDF

#1 PDF Chat AI
Presentations & DocumentsHostedFree tierReviewed
PriceFree tier
Best forResearchers & Students
Signal10M+ Researchers
CheckedJul 29
A favicon of Snack Prompt

Snack Prompt

Bring your data into AI with RAG
AI InfrastructureHostedReviewed
PricePaid
Best forDevelopers & Businesses
CheckedJul 27
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Neo by Norton

The world's first AI Native browser that doesn’t compromise.
Security & PrivacyHostedReviewed
PriceUnknown
Best forPrivacy-focused AI users
SignalProtected by Norton
CheckedJul 27
A favicon of Bladerunner

Bladerunner

The ultimate AI assistant for your browser.
Productivity & WorkflowHostedReviewed
PriceUnknown
Best forBrowser users
CheckedJun 25
A favicon of Coin Identifier Coin Snap

Coin Identifier Coin Snap

Identify coins with 99% accuracy using AI-powered recognition.
Productivity & WorkflowFree tierReviewed
PriceFree tier
Best forCoin collectors
Signal286K+ Ratings
CheckedJun 25
A favicon of Arc Search

Arc Search

The browser that anticipates your needs.
Productivity & WorkflowFree tierReviewed
PriceFree
Best forOrganized browsing
SignalChromium-based
CheckedJun 25
A favicon of Knowlee AI

Knowlee AI

The OS your company runs its AI on.
Business & EnterpriseHostedReviewed
PriceContact sales
Best forEnterprise AI automation
SignalEU AI Act Ready
CheckedJun 24
A favicon of Paraphrasing Tool

Paraphrasing Tool

AI-powered writing tools for content creation and academic assistance.
Writing & ContentHostedFree tierReviewed
PriceFrom $5/month
Best forStudents & Content Creators
CheckedJun 24
A favicon of Consensus

Consensus

AI-powered academic search engine
Search & KnowledgeHostedFree tierReviewed
PriceFree tier
Best forResearchers & Students
CheckedJun 23
A favicon of Lenso.ai

Lenso.ai

AI Reverse Image Search with unparalleled accuracy.
Search & KnowledgeHostedFree tierReviewed
PriceFrom €17.50/mo
Best forImage copyright & facial search
CheckedJun 23
A favicon of WolframAlpha

WolframAlpha

Computational knowledge engine for facts, calculations, and more
Search & KnowledgeHostedFree tierReviewed
PriceFrom $5/mo
Best forStudents & Researchers
CheckedJun 21
A favicon of AlphaResearch

AlphaResearch

AI-powered insights for financial research
Data & AnalyticsHostedFree tierReviewed
Price7-day free trial
Best forFinancial researchers
CheckedJun 21
A favicon of Findtube.AI

Findtube.AI

Educational Video Library & AI Deep Semantic Search
Education & LearningHostedFree tierReviewed
PriceFree tier
Best forStudents & lifelong learners
CheckedJun 20
A favicon of ChatGPT for YouTube

ChatGPT for YouTube

Summarize YouTube videos instantly, no AI account or API key needed.
Productivity & WorkflowHostedFree tierReviewed
PriceFree tier
Best forYouTube video viewers
SignalFounded 2023
CheckedJun 20
A favicon of Playphrase.me

Playphrase.me

Find movie and TV show clips for any phrase instantly.
Education & LearningHostedFree tierReviewed
PriceFree tier
Best forLanguage learners
CheckedJun 20
A favicon of GoSearch AI

GoSearch AI

Discover, understand, and act on knowledge with AI.
Search & KnowledgeHostedFree tierReviewed
PriceFree tier
Best forEnterprises
SignalBacked by YC, SOC 2 Type II
CheckedJun 20
A favicon of Eesel

Eesel

Hire AI teammates, not just tools.
Customer SupportHostedFree tierReviewed
PriceFrom $0.40 per task
Best forSaaS & E-commerce Teams
Signal2,000+ teams
CheckedJun 20
A favicon of Lummi AI

Lummi AI

The future of visual creation, powered by humans and AI.
Image Generation & EditingHostedFree tierReviewed
PriceFrom $10/mo
Best forDesigners & content creators
SignalIntegrates with Figma, Canva
CheckedJun 19
A favicon of GPTGO

GPTGO

The ultimate fusion of Google Search and ChatGPT's AI.
Search & KnowledgeHostedFree tierReviewed
PriceFree
Best forComprehensive answer seekers
SignalFounded 2023
CheckedJun 19
A favicon of NotebookLM Review

NotebookLM Review

Your AI research and thinking partner, grounded in your sources.
Education & LearningHostedFree tierReviewed
PriceFree tier
Best forResearchers & Students
SignalPowered by Google Gemini
CheckedJun 19
A favicon of AI Chat Travel Assistant

AI Chat Travel Assistant

Your personal AI travel companion and itinerary planner.
Chatbots & AssistantsFree tierReviewed
PriceFrom $19/mo
Best forTravelers & adventurers
CheckedJun 19
A favicon of Jeeves.Ai

Jeeves.Ai

Supercharge Your Workflow with Jeeves AI
Writing & ContentHostedPaidReviewed
Price$129 one-time
Best forBusiness professionals & creators
SignalTrusted by Forbes, TechCrunch
CheckedJun 18
K
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Komo Search

The AI Revenue Engine: Revenue work on autopilot, from buyer signal to close.
E-commerce & SalesHostedPaidReviewed
PriceFrom $99/month
Best forRevenue teams
SignalSOC 2, GDPR, HIPAA-ready
CheckedJun 18
A favicon of Lookup

Lookup

Turn your product docs into instant answers.
Customer SupportHostedReviewed
PriceContact sales
Best forProduct & Support Teams
Signal4.7 on Product Hunt
CheckedJun 18
A favicon of PDF GPT

PDF GPT

AI PDF Summarizer — Chat with Any PDF Document
Research & ScienceHostedFree tierReviewed
PriceFree tier
Best forKnowledge-driven professionals
Signal160K+ users
CheckedJun 17
A favicon of Cascade

Cascade

One AI Agent for Every Employee
Business & EnterpriseHostedReviewed
PriceContact sales
Best forEnterprise HR & IT Operations
SignalSOC2, GDPR, CCPA Compliant
CheckedJun 17
A favicon of BraveGPT

BraveGPT

Integrate AI directly into your Brave browser search results.
Chatbots & AssistantsOpen sourceFree tierReviewed
PriceFree
Best forBrave browser users
SignalOpen-source
CheckedJun 16
A favicon of Learn About by Google

Learn About by Google

Your conversational learning companion that adapts to your curiosity.
Education & LearningHostedFree tierReviewed
PriceFree
Best forCurious learners
SignalGoogle Experiment
CheckedJun 16
A favicon of myReach

myReach

Building the easiest way to search, trust and use company knowledge
Search & KnowledgeHostedFree tierReviewed
PriceFrom 500€/month
Best forEnterprise knowledge management
SignalProduct Hunt #3 Product of Day
CheckedJun 16
A favicon of Hippocratic AI

Hippocratic AI

Safest Healthcare Generative AI Agents
Healthcare & MedicalHostedPaidReviewed
PriceFrom $5/hour
Best forHealthcare organizations
Signal180M+ patient interactions
CheckedJun 15
A favicon of Grok

Grok

The AI assistant with a rebellious streak.
Chatbots & AssistantsHostedPaidReviewed
PriceFrom $30/mo
Best forX Premium+ subscribers
SignalFounded by Elon Musk
CheckedJun 14
A favicon of Rankin AI

Rankin AI

Track your AI visibility & get told exactly what to fix
Marketing & SEOHostedFree tierReviewed
PriceFree tier
Best forMarketers & SEO specialists
SignalFounded 2025
CheckedJun 13
A favicon of Everypixel

Everypixel

The AI Stack for the Content-Driven World
AI InfrastructureHostedFree tierReviewed
PriceUsage-based
Best forDevelopers & Content Creators
CheckedJun 13
A favicon of PimEyes

PimEyes

Find your face online with advanced facial recognition search.
Search & KnowledgeHostedPaidReviewed
PricePaid
Best forOnline privacy monitoring
CheckedJun 13
A favicon of Vespa

Vespa

We Make AI Work
AI InfrastructureOpen sourceHostedFree tierReviewed
PriceFree tier
Best forLarge-scale AI applications
SignalUsed by Spotify, Yahoo
CheckedJun 13
A favicon of Algolia

Algolia

Show users precisely what they’re looking for with search that understands intent, context, and nuance.
Search & KnowledgeHostedReviewed
PriceContact sales
Best forE-commerce search developers
Signal1.7T+ searches every year
CheckedJun 12
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Brainfish

Scale your best support across every channel with intelligent AI agents.
Customer SupportHostedPaidReviewed
PricePaid
Best forB2B customer support teams
Signal10M+ questions answered
CheckedJun 12
A favicon of Airbnb Review Summarizer

Airbnb Review Summarizer

Summarize Airbnb reviews to be simple, personal, and useful.
Productivity & WorkflowHostedFree tierReviewed
PriceFree
Best forAirbnb guests
CheckedJun 12
A favicon of Liminary

Liminary

Your expertise compounds here.
Search & KnowledgeHostedFree tierReviewed
PriceFree or $29/mo
Best forConsultants and strategists
SignalCASA compliant
CheckedJun 12
A favicon of Microsoft Bing

Microsoft Bing

Your AI-powered search and answer engine.
Search & KnowledgeHostedFree tierReviewed
PriceFree tier
Best forInformation seekers
SignalLarge enterprise team
CheckedJun 12
A favicon of Getsolved.ai

Getsolved.ai

Built to evaluate modern AI-era text patterns.
Writing & ContentHostedFree tierReviewed
PriceFrom €7.99/mo
Best forStudents and researchers
CheckedJun 12
A favicon of myNeutron AI Memory

myNeutron AI Memory

AI-powered knowledge management for the modern mind.
Search & KnowledgeHostedFree tierReviewed
PriceFrom $4.99/mo
Best forKnowledge workers & devs
SignalFounded 2023
CheckedJun 12
A favicon of FaceCheck ID

FaceCheck ID

The investigative search engine for faces online.
Search & KnowledgeHostedPaidReviewed
PricePaid
Best forInvestigators & researchers
CheckedJun 12
A favicon of Alfred

Alfred

Boost your efficiency with hotkeys, keywords, text expansion and more on macOS.
Productivity & WorkflowFree tierReviewed
PriceFrom £34 (Free tier)
Best formacOS power users
SignalUsed by Spotify & Shopify
CheckedJun 12
A favicon of ChatGPT Atlas

ChatGPT Atlas

The conversational AI that understands and generates human-like text.
Chatbots & AssistantsHostedFree tierReviewed
PriceFree tier
Best forCreators and developers
SignalFounded 2022
CheckedJun 11
A favicon of Comet by Perplexity

Comet by Perplexity

Transparent, token-based pricing for advanced AI models and search APIs.
AI InfrastructurePaidReviewed
PriceUsage-based pricing
Best forAI search & agent developers
CheckedJun 11
A favicon of FaceFinder

FaceFinder

The most advanced AI face search and reverse image lookup tool on the internet.
Search & KnowledgeHostedFree tierReviewed
PriceFrom $7 one-time
Best forOSINT and identity verification
Signal10,000+ professionals
CheckedJun 11
A favicon of Semantic Scholar

Semantic Scholar

AI-powered research tool for scientific literature
Research & ScienceHostedFree tierReviewed
PriceFree
Best forAcademic researchers
Signal8M+ scholars globally
CheckedJun 11
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Course Hero

Unlock academic success with expert-verified study resources and 24/7 homework help.
Education & LearningHostedPaidReviewed
PricePaid
Best forCollege students
SignalLarge expert team
CheckedJun 10
A favicon of Ask Brave

Ask Brave

The real-time search data your chatbots & agents need to generate answers.
Search & KnowledgeFree tierReviewed
PriceFrom $4/1k queries
Best forAI chatbot developers
CheckedJun 10
A favicon of Documind

Documind

Chat to Research Papers with AI
Chatbots & AssistantsHostedFree tierReviewed
PriceFrom $9.93/mo
Best forResearchers and businesses
Signal63,577 users
CheckedJun 10
A

Accio

Meet your 24/7 agentic business team.
Search & KnowledgeHostedFree tierReviewed
PriceFree tier
Best forSolo entrepreneurs
SignalPowered by Alibaba
CheckedJun 10
A favicon of AI Article Writer 6.0

AI Article Writer 6.0

Generate AI articles and optimize for AI search visibility.
Writing & ContentHostedFree tierReviewed
PriceFrom $79/mo
Best forMarketing teams & agencies
SignalSOC 2, HIPAA & GDPR compliant
CheckedJun 10
A favicon of Humata AI

Humata AI

Unlock insights from your documents with AI.
Productivity & WorkflowHostedFree tierReviewed
PriceFrom $9.99/month
Best forLaw firms and researchers
Signal$3.5M led by Google
CheckedJun 10
A favicon of Ninja AI

Ninja AI

Your complete AI workforce with autonomous capabilities.
Chatbots & AssistantsHostedFree tierReviewed
PriceFree tier
Best forDevelopers and businesses
SignalMillions of users
CheckedJun 10
A favicon of Recall AI

Recall AI

Your personal AI encyclopedia that turns your knowledge into your edge.
Productivity & WorkflowHostedFree tierReviewed
PriceFree tier available
Best forLifelong learners
Signal500,000+ users
CheckedJun 10
A favicon of ChatGPT

ChatGPT

The conversational AI that understands and generates human-like text.
Chatbots & AssistantsHostedFree tierReviewed
PriceFree tier
Best forCreators and developers
SignalLarge global team
CheckedJun 10
A favicon of Product Buying Guides

Product Buying Guides

Unbiased product buying guides with zero ads, generated by AI.
E-commerce & SalesHostedFree tierReviewed
PriceFree
Best forUnbiased product shoppers
SignalFounded 2023
CheckedJun 10
A favicon of Scite.ai

Scite.ai

Evaluate scientific literature with AI-powered Smart Citations.
Research & ScienceHostedFree tierReviewed
PriceFreemium
Best forAcademic researchers
Signal2M+ users
CheckedMar 26
D

DDMM.ai

The AI-powered platform for dynamic digital marketing.
Image Generation & EditingHostedReviewed
PriceContact sales
Best forSMBs and marketing agencies
CheckedMar 17
A favicon of Play by Hyperspace

Play by Hyperspace

The AI-powered workspace that thinks with you.
Search & KnowledgeHostedReviewed
PriceContact sales
Best forKnowledge workers and teams
CheckedMar 17
A favicon of Globe Explorer

Globe Explorer

Uncover the world's geospatial data with AI.
Search & KnowledgeHostedReviewed
PricePaid
Best forEnvironmental researchers
CheckedMar 17
A favicon of Find Your Next Book

Find Your Next Book

Discover your next favorite book with AI-powered recommendations.
Search & KnowledgeHostedFree tierReviewed
PriceFree tier
Best forAvid readers & book clubs
CheckedMar 17
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Activazon

The AI-powered platform for smarter, safer communities.
Search & KnowledgeHostedReviewed
PriceContact sales
Best forHOAs and community leaders
CheckedMar 14
A favicon of AcademicGPT

AcademicGPT

Unlock academic potential with AI-powered research assistance.
Writing & ContentHostedReviewed
PricePaid
Best forAcademic researchers
CheckedMar 14
Z

Zeal AI

The AI-powered co-pilot for your sales team.
Search & KnowledgeHostedReviewed
PriceContact sales
Best forSales teams and managers
CheckedMar 14
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