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PageIndex: PageIndex: Document Index for Vectorless, Reasoning-based RAG. It is listed under Data & Analytics on AI Registry as a free tool.
The tools below are approved listings in the same category, ordered by how closely their tags match PageIndex. This is an automatic list. We have not written a researched verdict for PageIndex yet, so treat it as a shortlist and check each vendor's pricing page before switching.
Built from each tool's listing. Vendors can update their own listing after claiming it.
Install, run and deploy your own decentralized AI agent service
Gaia is a framework for running a decentralized AI agent service on hardware you control, and a Gaia node is the unit that does the work. Installing one gives you a self hosted inference endpoint with retrieval built in: the node loads a language model, attaches a vector database holding your own knowledge, and serves ...
semantic agent kernel which make agent efficient and self-evolve
Semantix is an open source memory kernel for AI agents, written in Go. It captures what happens in coding agent sessions and turns it into reusable, searchable memory so a later session starts with context from earlier ones, rather than repeating the same setup. The kernel extracts typed, scoped semantic slices from s...
Chat with your data - with memory, rules, and observability built in.
Bag of words is an open source AI analyst that connects a language model of your choice to the data your company already stores, then answers questions and builds reports from it. Rather than a chat box bolted onto a warehouse, it combines structured planning, observations and explicit logic so an analysis can be trace...
The data primitive for the agent loop.
This platform is an open protocol for persistent, addressable, real time streams, designed as the data layer for AI agent sessions and collaborative multi user, multi agent systems. A stream is identified by a URL, can be appended to and read over plain HTTP, and keeps its history so that a client that drops its connec...
The open source AI engineering platform for agents, LLMs, and ML models.
MLflow is an open source platform for building, debugging, evaluating and monitoring LLM applications, agents and traditional machine learning models. It is backed by the Linux Foundation and is used by developers, data scientists and ML platform teams, with support for Python, TypeScript and JavaScript, Java and R and...
Deploy intelligence. Open-source infrastructure for AI agents in production.
MUXI is an open source application server for AI agents, described by its makers as Docker for AI agents. A developer declares agents, tools, memory, knowledge and triggers in YAML as a unit called a formation, then deploys it with the single command muxi deploy and builds a product on top through APIs and SDKs. The s...