10 Best Knowledge Base Tools in 2026

AnythingLLM is an open-source, all-in-one AI application that enables private document chat using retrieval-augmented generation (RAG). The platform combines local or remote LLM chat with document intelligence while keeping everything stored locally on your machine for maximum privacy. The application supports 15+ language models including OpenAI, Anthropic Claude, and local models like Llama. It processes PDFs, DOCX, TXT, CSV, images, and audio files with a fully customizable document management system. Deployment options include a desktop app for single users, Docker-based self-hosted servers for teams, and managed cloud instances. AnythingLLM works on MacOS, Windows, and Linux with fine-grained admin controls for user permissions. The platform offers whitelabeling capabilities for custom branding. Local deployment requires minimum 16GB RAM, with 32GB+ recommended for optimal performance with larger models.

Elephas is an AI-powered personal knowledge assistant designed for Mac, iPhone, and iPad users. It helps individuals and professionals organize, search, and interact with their own scattered knowledge base, including documents, notes, and web content. By creating "Super Brains" from imported files like PDFs, Word docs, Notion pages, Obsidian notes, and Zoom transcripts, users can ask natural language questions and receive instant answers with citations to their original documents. The tool is ideal for executives, consultants, researchers, and healthcare professionals who need to quickly recall information, generate reports, or create presentations based on their accumulated expertise. Elephas emphasizes privacy with local storage and offline mode options, ensuring user data remains private. Its "Super Command" feature allows users to access AI capabilities like writing, summarizing, and saving to their Brain from any app on their Mac, streamlining workflows and enhancing productivity.

GitBook is a knowledge management platform for documentation, wikis, and internal resources. Beautiful, searchable docs without design work. Git sync keeps docs in your repository. Collaboration features for team editing. Public and private spaces for different audiences. Documentation that teams actually want to read and maintain.

Freshdesk is a customer support platform that helps teams deliver exceptional service. Ticketing organizes customer conversations across channels. Automation routes tickets and suggests responses. Knowledge base enables customer self-service. AI features summarize tickets and assist agents. Support that scales without losing the personal touch.

ReadMe is an API documentation platform that helps companies create beautiful, interactive documentation with API references, guides, and changelogs.

Glean is AI-powered enterprise search that connects all your company's knowledge. Search across Google Workspace, Slack, Confluence, and 100+ apps from one place. AI understands context and permissions, surfacing only what you should see. Ask questions in natural language and get answers from your company's data. Glean learns from how your organization works. Find anything, ask anything, know everything.

Help Scout is a help desk platform designed for customer-centric teams. Shared inbox feels like email for customers, organized for teams. Docs creates self-service knowledge bases. Beacon adds live chat and help center to your site. Customer profiles show conversation history. Support software that keeps customers feeling like people, not tickets.

Mintlify is a modern documentation platform that creates beautiful docs from markdown with built-in AI assistance, search, and analytics.

ReadMe transforms API documentation into interactive developer experiences. Import OpenAPI specs or write docs in Markdown. API Explorer lets developers try endpoints directly. Track which docs developers use and where they get stuck. Features include changelogs, guides, and recipe tutorials. Customize branding to match your product. Turn your API docs into a developer hub that drives adoption and reduces support.

Logseq is a privacy-first, open-source knowledge base that works on local files. Outline-based writing with bi-directional links. Your data stays on your device in plain text Markdown files. Queries surface information across your notes. Flashcards help with spaced repetition learning. The open-source Roam alternative for people who own their data.