Community-ranked AI tools, plus language-model statistics collected from independent published leaderboards.
Community ratings and votes for discoverable AI products.
Published benchmark results with source and freshness context.
Filters change the list without changing the ranking URL.
Capture ideas, connect notes, and keep your files in Markdown. Reflect Open is open source and free on Mac, with paid apps for iPhone and iPad.
Create notes, tasks, databases, and chats that only you can access. Your data stays on your device — fully owned, secure, and private. Free to start.
Capacities is a note-taking and knowledge management app that organizes your ideas as connected objects instead of files and folders. Available free on Mac, Windows, Linux, iOS, and Android.
Cognee is the open-source agent memory platform for LLM agents. Build persistent memory across sessions with graph, vector, and relational retrieval that runs self-hosted, in Docker, on-prem, or on Cognee Cloud.
Documentation for Diffbot — transform the raw web into structured knowledge.
Build Real-Time Knowledge Graphs for AI Agents. Contribute to getzep/graphiti development by creating an account on GitHub.
Heptabase is an intelligent, visual knowledge base built for students, researchers, and lifelong learners.
AI text analysis tool that uses knowledge graphs to generate insight and reveal what's missing.
Khoj is an applied artificial intelligence company building safe, useful AI software for humans.
[EMNLP2025] LightRAG: Simple and Fast Retrieval-Augmented Generation - HKUDS/LightRAG
A privacy-first, open-source platform for knowledge management and collaboration.
Let AI organize your team's work—from meeting notes, projects, to knowledge bases. All instantly searchable and readily discoverable.
Mem0 is the memory layer for AI agents and applications, enabling them to learn from past interactions and deliver personalized experiences.
The in-memory graph database for GraphRAG, AI memory, agentic AI, and real-time analytics such as fraud detection. Cypher-compatible and free to start.
Connect data as it's stored with Neo4j. Perform powerful, complex queries at scale and speed with our graph data platform.
The free and flexible app for your private thoughts.
Protégé is a free, open-source ontology editor developed at Stanford University
Recall is an AI knowledge base and summarizer. Summarize YouTube videos, podcasts, PDFs and articles, then save and chat with ChatGPT, Claude, or Gemini.
Upload PDFs, videos, or notes and instantly generate AI flashcards, quizzes, summaries, and explanations. Study smarter with RemNote.
As easy to use as a word document or bulleted list, and as powerful for finding, collecting, and connecting related ideas as a graph database. Collaborate with others in real time, or store all your data locally.
Stardog makes your AI intelligent with a knowledge graph-powered semantic layer that unifies enterprise data and activates your existing stack for better AI.
TerminusDB is the open source knowledge graph database with git-like version control. Branch, merge and diff your data, with datalog, vector search and RDF.
Directory facts come from each vendor's own website and GitHub. Pricing appears only where we checked the vendor's pricing page.
