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Best LlamaIndex Alternatives

68 dev tools you can use instead of LlamaIndex. Ranked by popularity, tag overlap, and live GitHub signals.

ragdata-frameworkagentsworkflowspythonopen-source
L

LlamaIndex

Reference

Data framework for LLM applications — RAG, agents, and workflows — 47K+ stars

49.7K6d ago473
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Top Alternatives to LlamaIndex

C

Crawl4AI

Open-source web crawler optimized for LLMs and AI agents — 62K+ stars

OSSFree
unclecode
66.3Ktoday71
3 shared tags
F

Firecrawl

Web scraping API built for LLMs — turn any website into LLM-ready data — 89K+ stars

OSSfreemium
Mendable
124.5Ktoday145
3 shared tags
C

Chroma

The open-source AI-native vector database — 27K+ stars

OSSfreemium
Chroma
28.1Ktoday183
3 shared tags
a

ai-agents-for-beginners

Microsoft's free 12-lesson curriculum for learning to build AI agents from scratch

OSSFree
Microsoft
3 shared tags
E

ElephantBroker

Knowledge-grounded cognitive runtime for trustworthy AI agents with verifiable memory

OSSFree
Cognee
3 shared tags
T

TrendRadar

AI-powered trend monitoring with multi-platform aggregation and natural language analysis via MCP

OSSFree
sansan0
3 shared tags
M

Mem0

Persistent, adaptive memory layer for AI agents and assistants

OSSfreemium
Mem0
56.7Ktoday310
2 shared tags
R

RAG Failure Diagnostics Clinic

Diagnose and fix common RAG pipeline failure modes

OSSFree
Shubham Saboo
111.8K3d ago78
2 shared tags
Z

Zep

Long-term memory and knowledge graph store for AI assistants and agents

OSSfreemium
Getzep
4.6K6w ago15
2 shared tags
A

AgentDS

Benchmark framework measuring AI agent performance vs human experts on data science tasks

unknownFree
Research Team
2 shared tags
A

Agent Lifecycle Toolkit (ALTK)

Standardized middleware for production-ready AI agents with built-in failure handling

OSSFree
Multiple Authors
2 shared tags
C

CausalFlow

Causal debugging framework that converts failed LLM agent traces into minimal counterfactual fixes

OSSFree
Research
2 shared tags

Compare directly

LlamaIndex vs Crawl4AILlamaIndex vs FirecrawlLlamaIndex vs ChromaLlamaIndex vs ai-agents-for-beginners