LangChain

Framework for building agents and LLM-powered applications

About the tool

Framework for building agents and LLM-powered applications

LangChain provides standardized interfaces to models, tools, retrievers, and vector stores, plus higher-level agent abstractions built on top of LangGraph. Available in Python and JavaScript under an MIT license, it is one of the most widely adopted LLM application frameworks.

Pricing: Open source
Category: Agent frameworks
Maker: Not publicly supplied
Provenance: Indexed by Attest from public information

Compare verified LangChain alternatives →

Backlink artifact

Show the Attested badge.

This badge links to the public evidence record. The link is followed; the verification claim remains limited to the checks shown above.

Embed HTML

<a href="https://getattest.com.au/t/langchain"><img src="https://getattest.com.au/badge/langchain" alt="Attested — verified by Attest"></a>

Same category

Similar verified tools.

✓ Attested

Agent frameworksOpen source

PraisonAI

Low-code multi-agent framework with handoffs and workflow patterns

Verified 25 Aug 2026 · Indexed by Attest

✓ Attested

Agent frameworksOpen source

VoltAgent

Open-source TypeScript agent framework with observability console

Verified 25 Aug 2026 · Indexed by Attest

✓ Attested

Agent frameworksOpen source

CopilotKit

Frontend stack for agentic applications and generative UI

Verified 25 Aug 2026 · Indexed by Attest