Open Source Alternatives to LlamaIndex Inc.

Together AI offers an AI-native cloud platform providing high-performance inference APIs, GPU clusters, and fine-tuning capabilities for open-source AI models.

An open-source feature store for managing and serving data for AI/ML models in production.

Open-source autonomous AI agent platform that automates complex digital workflows.

An AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.

Experimental open-source framework for building self-building autonomous agents with a novel function framework.

An open-source platform for creating, managing, and interacting with AI workflows and agents.

An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.

An open-source Python library providing a unified interface for interacting with various LLM providers.

An open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.

Low-code platform for building, iterating, and deploying AI applications, especially RAG and multi-agent systems.

An open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.

Open-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.

An open-source AI and machine learning platform for enterprises.

Developing advanced AI models with a focus on reducing hallucinations, including large language models, vision language models, and text-to-video models.

Persistent memory layer for AI agents and applications.

DeepSeek is a Chinese AI company developing open-weight large language models and an AI assistant, aiming to achieve Artificial General Intelligence.

Run large language models locally on your machine.

Open-source library for building hyper-realistic voice agents and conversational AI applications.

The Google of code search for open-source.

An open-source, end-to-end AI agent engineering platform for simulating, evaluating, and optimizing LLM applications.

Cua provides an open-source framework and cloud desktops for AI agents to control operating systems and desktop applications across Linux, Windows, macOS, and Android.

Parlant is an open-source conversational AI engine dedicated to solving the Human/AI alignment problem by enabling Large Language Models to reliably perform as desired and prevent hallucinations.

Inconvo is an open-source platform for building data agents on production data with safe queries, permissions, and structured outputs.

An open-source framework for on-machine AI agents developed by Block's Open Source Program Office.

Open-source, offline-deployable RAG and Agent application built on LangChain for local knowledge base Q&A.

High-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.

Distributed SQL database for cloud-native applications, offering high availability and horizontal scalability.

Open-source AI research lab training decentralized large language models and building infrastructure for accessible AI.

Open-access AI cloud platform providing affordable, on-demand GPUs for training and serving AI models.

Open-source tool to transform application data into accessible knowledge for AI agents.

Open-source alert management platform using AI to reduce noise and improve alert actionability for engineers.

Platform for developers building stateful reactive applications on the modern cloud with object store native databases.

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