Best 463 AI Knowledge Management Tools in 2025

ChatGPT Sidebar with GPTs integration
Supports chats with links, images, PDFs, and GPTs
Integration of ChatGPT 3.5/4, Claude Instant/V2, and Gemini
One-stop AI assistant for all-in-one chatbot, AI reader, AI writer, and ChatPDF integrated image tool
Group AI Chat with GPT-3.5, GPT-4, Claude, and Bard support
Instant solutions to any question from all available bots

Simply install the Sider Chrome/Edge extension and start enjoying its features. It assists in reading, writing, chatting, translating, and more on any webpage.

AI Summary for Long Videos, Articles and Text
Q&A and Chatting with AI Assistant
YouTube Video Timestamped Transcript
Note-taking with Automated Snapping
Notes Managing with Folders and Sharing

Starter Free NoteGPT AI Service - perfect for trying us out!
Basic $2.99/month No ChatGPT account required, explore more possibilities.
Pro $9.99/month For heavy users who need reliable and frequent access.

Login with Google or download the official extension. Summarize content, take notes, and save them. Organize notes and collaborate with others.

ChatLLM
AI Agents
Forecasting and Planning
Marketing and Sales AI
Anomaly Detection
Foundation Models
Language AI
Vision AI
Discrete Optimization
Predictive Modeling
Personalization AI
Fraud and Security

Use Gen AI to build Applied AI systems at scale. ML specialists provide Expert Consultation or Free Trial for testing the service.

Summarize lengthy PDFs of over 1,000 pages in minutes.
Translate PDFs into other languages while preserving original layouts.
Clearly explain words, phrases, sentences, or paragraphs within a PDF.
Convert PDFs into mind maps effortlessly.
Upload images and chat to get answers to your questions.
Chat with AI to ask anything beyond PDFs.

To use UPDF's AI, users need to register for a UPDF account and download the app on Windows, Mac, iOS, or Android. Alternatively, users can register and access the online AI version directly without any installation.

AI-powered workplace search across all company apps
Generative AI-driven search assistant for delivering answers, analyses, and summaries
Personalized results and knowledge discovery through building a company's knowledge graph
100+ connectors to connect and search data from various apps and sources
Easy setup and scalability with hosting options aligned with company's data and security policies

To use Glean, simply sign in to the platform and connect it to the apps and data sources used by your company. Glean's search assistant, powered by generative AI, helps you find answers, analyze data, and summarize information from documents, conversations, tickets, and more. The personalized results and knowledge discovery feature builds a knowledge graph specific to your company, delivering personalized and relevant information. Glean also offers easy setup and scalability with its connectors to various apps and data sources.

Highlight and save notes on any web page
Copy and export highlights and notes with meta data
Share Glasp profile and learning with others
Discover content from like-minded people
Highlight and add notes on videos and PDF files
Embed Glasp in blogs or newsletters

To use Glasp, you can install the browser extension on Chrome or Safari. Once installed, you can highlight and save notes on any web page directly within the browser. You can also copy all your highlights and notes with meta data and paste them into note-taking apps for seamless export. Additionally, Glasp allows you to share your learning through your Glasp profile, follow and discover like-minded people's content in your home feed, and even highlight and add notes on videos and PDF files. You can also embed your Glasp in your blog or newsletter for easy access. To get started, simply sign up for an account and start highlighting!

Data integration
Workflow automation
Writing assistance
Data analysis

Users can sign up for core features for free or start a 14-day trial for premium features.

Effortlessly create, surface and improve documentation in the tools you use every day
AI-powered search and insights
Docs-as-code support

GitBook brings all your technical knowledge together in a single, centralized knowledge base. So you can access and add to it in the tools you use every day — using code, text or even your voice.

Dynamic and automatically-updated charts
Powerful toolbox for analysis
Exclusive reports with unique insights
Engaging community for professionals

Discover market insights through dynamic charts and data, optimize investment strategies, and engage with a vibrant macroeconomic community on the platform.

Summarize any online content
Save content to personal knowledge base
Organize and interlink content for easy rediscovery
Connect saved content in a knowledge graph

To use Recall, simply summarize any online content and save it to your knowledge base. The AI-driven tool categorizes the content automatically based on mentions and helps organize it for easy access in the future.