---
title: "Launchelion"
canonical: "https://launchelion.com/tools/langchain"
url: "https://launchelion.com/tools/langchain"
content_type: "text/markdown"
---
# LangChain

> Launchelion is a daily leaderboard of newly-launched AI tools: real launch dates, one-vote-per-signed-in-account-per-day community upvotes, and — when a maker connects Stripe — verified monthly revenue instead of invented traction.

Canonical HTML: https://launchelion.com/tools/langchain
This representation: Accept: text/markdown on the same URL.
Agent map: https://launchelion.com/llms.txt · OpenAPI: https://launchelion.com/openapi.json · MCP: https://launchelion.com/api/mcp/mcp

LangChain's frameworks and LangSmith cover building through deploying agents.

Category: AI Agents
Product URL: https://www.langchain.com
Launch date: 2026-07-21

## Description

LangChain is the company behind widely used frameworks and the LangSmith platform, covering building, observing, evaluating, and deploying AI agents and applications. It's built for developers creating LLM-powered systems. The offering spans the open-source frameworks and the LangSmith observability platform.

Listing page: https://launchelion.com/tools/langchain