Search & Knowledge AI Tools
Discover 74 search & knowledge AI tools


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


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


BooksAI
Summarize your favorite books with AI
Education & LearningHostedFree tierReviewed
PriceFree tier
Best forBook learners & busy professionals
CheckedSep 13


Connected Papers
Explore connected papers in a visual graph
Research & ScienceHostedFree tierReviewed
PriceFree tier
Best forAcademic researchers
CheckedSep 13


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


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


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


ChatPDF
#1 PDF Chat AI
Presentations & DocumentsHostedFree tierReviewed
PriceFree tier
Best forResearchers & Students
Signal10M+ Researchers
CheckedJul 29


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


Bladerunner
The ultimate AI assistant for your browser.
Productivity & WorkflowHostedReviewed
PriceUnknown
Best forBrowser users
CheckedJun 25


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


Arc Search
The browser that anticipates your needs.
Productivity & WorkflowFree tierReviewed
PriceFree
Best forOrganized browsing
SignalChromium-based
CheckedJun 25


Knowlee AI
The OS your company runs its AI on.
Business & EnterpriseHostedReviewed
PriceContact sales
Best forEnterprise AI automation
SignalEU AI Act Ready
CheckedJun 24


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


Consensus
AI-powered academic search engine
Search & KnowledgeHostedFree tierReviewed
PriceFree tier
Best forResearchers & Students
CheckedJun 23


Lenso.ai
AI Reverse Image Search with unparalleled accuracy.
Search & KnowledgeHostedFree tierReviewed
PriceFrom €17.50/mo
Best forImage copyright & facial search
CheckedJun 23


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


AlphaResearch
AI-powered insights for financial research
Data & AnalyticsHostedFree tierReviewed
Price7-day free trial
Best forFinancial researchers
CheckedJun 21


Findtube.AI
Educational Video Library & AI Deep Semantic Search
Education & LearningHostedFree tierReviewed
PriceFree tier
Best forStudents & lifelong learners
CheckedJun 20


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


Playphrase.me
Find movie and TV show clips for any phrase instantly.
Education & LearningHostedFree tierReviewed
PriceFree tier
Best forLanguage learners
CheckedJun 20


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


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


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


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


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


AI Chat Travel Assistant
Your personal AI travel companion and itinerary planner.
Chatbots & AssistantsFree tierReviewed
PriceFrom $19/mo
Best forTravelers & adventurers
CheckedJun 19


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


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


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


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


BraveGPT
Integrate AI directly into your Brave browser search results.
Chatbots & AssistantsOpen sourceFree tierReviewed
PriceFree
Best forBrave browser users
SignalOpen-source
CheckedJun 16


Learn About by Google
Your conversational learning companion that adapts to your curiosity.
Education & LearningHostedFree tierReviewed
PriceFree
Best forCurious learners
SignalGoogle Experiment
CheckedJun 16


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


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


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


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
Everypixel
The AI Stack for the Content-Driven World
AI InfrastructureHostedFree tierReviewed
PriceUsage-based
Best forDevelopers & Content Creators
CheckedJun 13


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


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


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

B
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


Airbnb Review Summarizer
Summarize Airbnb reviews to be simple, personal, and useful.
Productivity & WorkflowHostedFree tierReviewed
PriceFree
Best forAirbnb guests
CheckedJun 12


Liminary
Your expertise compounds here.
Search & KnowledgeHostedFree tierReviewed
PriceFree or $29/mo
Best forConsultants and strategists
SignalCASA compliant
CheckedJun 12


Microsoft Bing
Your AI-powered search and answer engine.
Search & KnowledgeHostedFree tierReviewed
PriceFree tier
Best forInformation seekers
SignalLarge enterprise team
CheckedJun 12


Getsolved.ai
Built to evaluate modern AI-era text patterns.
Writing & ContentHostedFree tierReviewed
PriceFrom €7.99/mo
Best forStudents and researchers
CheckedJun 12


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


FaceCheck ID
The investigative search engine for faces online.
Search & KnowledgeHostedPaidReviewed
PricePaid
Best forInvestigators & researchers
CheckedJun 12


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


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


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


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


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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C
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


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


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


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


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


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


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


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


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


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


Play by Hyperspace
The AI-powered workspace that thinks with you.
Search & KnowledgeHostedReviewed
PriceContact sales
Best forKnowledge workers and teams
CheckedMar 17


Globe Explorer
Uncover the world's geospatial data with AI.
Search & KnowledgeHostedReviewed
PricePaid
Best forEnvironmental researchers
CheckedMar 17


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

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


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