MemFree
Hybrid AI search for web and knowledge bases
SearchProductivityFreemium
Elephas
Private AI assistant for Mac with local indexing
ProductivityWritingSearchFreemium
Agentset
Build AI chat and search with reliable RAG
Developer ToolsSearchProductivityOpen sourceFreemium
iAsk AI
AI search engine and homework helper
SearchEducationWritingFreemium
Explainpaper
Read research papers with AI-powered explanations
EducationProductivitySearchFreemium
AMiner
AI-powered research assistant for literature and scholars
SearchEducationWritingFreemium
AskYourPDF
AI chatbot and document analysis platform
ProductivitySearchContent CreationFreemium
Constat
FDA AI medical-device database and evidence search
LegalSearchProductivityFreemium
Eightify
AI YouTube video summarizer and key ideas extractor
ProductivityContent CreationSearchFreemium
Humata
AI-powered knowledge base for document analysis
ProductivitySearchWritingFreemium
Glama
MCP server registry, inspector, and gateway
Developer ToolsProductivitySearchFreemium
PromptBase
Marketplace for AI prompts and models
Content CreationSearchProductivityFreemium
PromptHero
Search millions of AI prompts for generative models
SearchContent CreationImageFreemium
Litmaps
Your literature review assistant
EducationProductivitySearchFreemium
Rayyan
AI-powered systematic review and literature review platform
ProductivityEducationSearchFreemium
Lexica
AI image generation engine and search gallery
ImageSearchFreemium
Artificial Analysis
Independent AI model and API provider benchmarks
AnalyticsSearchFreemium
ChatPDF
Chat with any PDF document using artificial intelligence
ProductivityWritingSearchFreemium
Gemini
Personal AI assistant by Google
ProductivityWritingSearchFreemium
Perplexity
Answer engine that cites its sources
SearchAIProductivityFreemium
Exa
Search API built for AI agents and research
SearchDeveloper ToolsAIFreemium
Elicit
AI research assistant for academic literature
SearchEducationAIFreemium
You.com
AI search and research APIs for developers
SearchAIDeveloper ToolsFreemium
Pinecone
Managed vector database for semantic search
Developer ToolsDataSearchFreemium