Open Source Alternatives to LlamaIndex

Visual IDE for programming and deploying AI Agents without writing code.

Open source

Backend-as-a-Service infrastructure for autonomous AI agents, enabling production-grade agent deployment.

Open source

Vibecode is a platform that helps developers build and deploy AI agents.

Open source

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.

Open source · Self-hostable

An agentic development environment orchestrating heterogeneous AI models across multiple providers.

Open source

The platform for building reliable AI agents and LLM applications.

Open source

Enterprise Agentic Frontend Stack for building generative UIs and fullstack agentic applications.

Open source

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

Open source · Self-hostable

An open-source AI-powered SQL agent for natural language database interaction and data insights.

Open source · Self-hostable

AI skill layer enabling agents to reliably interact with over 3000 real-world tools and APIs.

Open source

AI infrastructure for building intelligent applications.

Open source

Vijil provides AI software tools for developers to build, test, and operate trustworthy intelligent AI agents.

Open source

Monitors and remediates issues with third-party APIs, focusing on breaking changes, latency, and costs.

Open source

A platform simplifying AI model integration with applications and data sources.

Open source

AI agents that perform complex workflows, with an intelligence layer for continuous upskilling and reliability.

Open source

An infrastructure platform for connecting AI agents with the Model Context Protocol.

Open source

Hyperspell provides an API-based memory and context layer for AI agents, enabling them to learn, reason, and recall information across various company tools.

Open source

The secure action layer for production AI agents.

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The secure and efficient runtime environment for AI agents.

Open source

Platform for companies to deploy AI agents globally, embed them anywhere, and connect knowledge sources.

Open source

AI assistants for enterprise knowledge-intensive tasks, analyzing long-context multimodal documents.

Open source

MemGPT provides LLMs with extended context by intelligently managing different storage tiers.

Open source

An AI software engineer that connects your repositories and infrastructure to autonomously complete development tasks, improving with every run.

Open source · Self-hostable

An operating system for building stateful AI agents, managing context, memory, and resource allocation.

Open source

Developing efficient memory mechanisms for AI agents using delta-mem technology.

Open source

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

Open source · Self-hostable

Caura.AI provides a memory layer for AI, making interactions unforgettable and deeply personalized.

Open source

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

Open source · Self-hostable

Serverless AI developer platform with unified LLM API and AI agents.

Open source

Open-source, no-code platform for building and deploying AI agents, workflows, and generative AI applications.

Open source · Self-hostable

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

Open source · Self-hostable

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

Open source · Self-hostable

Martian provides AI model routing and interpretability tools for superior LLM performance at lower costs.

Open source

Open-source library to simplify LLM API calls and manage LLM providers.

Open source · Self-hostable

A Model Context Protocol (MCP) server bridging AI assistants and PostgreSQL databases.

Open source

Device intelligence platform for fraud prevention, bot detection, and enhanced customer experiences.

Open source

Open source

Platform for continuous evaluation, monitoring, and reinforcement learning for enterprise AI agents.

Open source

Ultravox.ai (formerly Fixie.ai) is building human-like voice AI agents and models for natural, real-time communication.

Open source

One control plane for trustworthy enterprise AI — performance, observability, guardrails, and governance across the full lifecycle.

Open source

Tools for debugging and monitoring AI agents and browser automation tasks.

Open source

Consumer-focused AI agent for handling complex customer service interactions.

Open source

White-label AI voice agents and chatbots for automated customer support and task automation.

Open source

AI solutions for enhanced customer experiences and operational efficiency.

Open source

Google Cloud's suite of AI and machine learning services for developers and businesses.

Open source

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

Open source · Self-hostable

AI agent system automating pre-construction engineering workflows for energy and industrial infrastructure projects.

Open source

AI agent for firmware development that reads datasheets, writes code, flashes boards, runs tests, and fixes mistakes autonomously.

Open source

Cloud-based browser API for AI agents, simplifying web automation with anti-bot protection and session persistence.

Open source · Self-hostable

Agency builds custom AI Agents that operate 24/7/365, offering consulting, development tools, and an observability platform to help businesses automate.

Open source

AI-native search engine API for RAG and AI agents, providing factual and reliable information.

Open source

Develops enterprise-grade chatbots and AI agents for customer interactions.

Open source

An open-source technology provider offering an open control plane for AI agents.

Open source · Self-hostable

AI-powered workflow automation platform that saves users time by automating repetitive tasks.

Open source

A managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.

Open source · Self-hostable

AI-powered platform that continuously tests and optimizes website content, visuals, and code for enhanced personalization and user engagement.

Open source

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

Open source · Self-hostable

AI-powered platform for building and deploying custom AI agents.

Open source

AI-powered platform for automated software testing and quality assurance.

Open source

A context layer that aligns humans and AI agents by capturing decisions, intent, and history across work.

Open source