BrainyPDF is a free AI PDF tool that lets you ask questions, get cited answers, and summarize documents in multiple languages — supporting PDFs, DOCX, and TXT files instantly.
BerriAI LiteLLM is a free Python SDK and proxy server that routes calls to 100+ LLMs including Claude, GPT-4, Gemini, and Bedrock through a single OpenAI-compatible interface.
Paperpal is an AI academic writing tool trained on peer-reviewed research to help students and researchers write, edit, and submit manuscripts with confidence.
PDF.ai is an AI-powered PDF tool that lets you chat with documents, extract data, summarize content, and build embeddable PDF chatbots via API for websites and custom applications.
ChartPixel is an AI-powered data visualization tool that generates interactive charts, statistical insights, and annotations from CSV or Excel uploads without any coding required.
Recall is a free AI knowledge base that summarizes articles, YouTube videos, podcasts, and PDFs, then organizes everything into a self-connecting knowledge graph you can chat with.
TLDR This is a free AI text summarizer that condenses articles, PDFs, and web pages into key-point summaries — browser extensions available, paid Starter plan from $4/month.
iAsk.AI is a free AI search engine trained on authoritative sources that delivers instant, unbiased factual answers — Pro plan at $9.95/month adds document analysis and image generation.
SiteExplainer is a free AI website summarizer built by Michael Chomsky that analyzes any URL and returns a plain-language breakdown of a site's purpose, services, and audience.
Komo Search is an AI-powered search engine with Chat, Explore, and Search modes that delivers generative AI answers with verified citations — free tier available, paid from $8/month.
MapDeduce is an AI document analysis tool that processes PDF, DOCX, PPTX, and TXT files up to 500 pages, flags contract red terms, and answers questions in any language.
NeevaAI was an ad-free, AI-powered private search engine that shut down in June 2023 and was acquired by Snowflake for $185.4M to power enterprise data search experiences.