MIT-licensed Python/JavaScript framework for building LLM agents, with 1,000+ model and tool integrations
LlamaIndex alternatives
3 products our research names as a replacement for LlamaIndex in Agent Frameworks & Orchestration, each with what it does differently — prices, API and status from our own checks rather than from the vendors’ own pages.
Turns PDFs, scans, slides, emails and other messy files into clean structured data for RAG and LLM pipelines.
Haystack
81Apache-licensed Python framework for building RAG pipelines and agents out of swappable components, maintained by deepset.
More in Agent Frameworks & Orchestration
Not named as direct replacements — the neighbours in the same part of the catalog, best-rated first.
OpenServ
68No-code builder and reasoning API for orchestrating multiple AI agents, from a London-based AI lab.
Clawdi
69One control plane for AI agents: shared sessions, memory, skills and API keys across frameworks and devices
DeerFlow
79ByteDance's MIT-licensed agent framework: sandboxed agents that research, code and edit files.
Sim
79Open-source workspace for building AI agents from a visual canvas, a prompt, or code
Runs AI clones of your teammates as a local multi-agent office that works while you're away.
Open-source framework for coordinating a fleet of AI agents into a hierarchical, self-organizing team.
Turns a written spec into a deployed AI agent you call as a REST API, with model routing and execution logs built in.
Lyzr
79Enterprise control plane for AI agents: build them, simulate them, then govern and trace them in production.
Sentrely
61Control plane for AI agents: policy enforcement, audit trails and human-in-the-loop approval across providers.
Builds custom AI agent deployments for large enterprises and charges only once the deployment shows results.
Adapt
71One company-wide agent across Slack, GitHub and Linear, with model routing and sandboxed code execution.
Agno
85Open-source Python SDK and self-hosted runtime for building agents, teams and workflows, with a web control plane to monitor them.
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