LangChain Tool Integrations LLM Tools

LangChain connectors and adapters for external services, APIs, and platforms (Wolfram Alpha, SAP HANA, Discord, GitHub Copilot, etc.). Does NOT include tutorials on using LangChain itself, general application development patterns, or learning resources.

There are 65 langchain tool integrations tools tracked. 1 score above 70 (verified tier). The highest-rated is langchain-ai/langchain-aws at 81/100 with 306 stars and 9,657,812 monthly downloads. 1 of the top 10 are actively maintained.

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# Tool Score Tier
1 langchain-ai/langchain-aws

Build LangChain Applications on AWS

81
Verified
2 brainlid/langchain

Elixir implementation of a LangChain style framework that lets Elixir...

65
Established
3 langchain-ai/langchain-weaviate

🦜🔗 LangChain interface to Weaviate

60
Established
4 langchain-ai/langchain-litellm

🦜🔗 LangChain interface to LiteLLM

57
Established
5 spyder-ide/langchain-provider

Completion provider using Langchain and OpenAI for Spyder 6+

53
Established
6 langchain-ai/langchain-mongodb

Integrations between MongoDB, Atlas, LangChain, and LangGraph

52
Established
7 brainlid/langchain_demo

Demo web project using the Elixir LangChain library

49
Emerging
8 shroominic/funcchain

⛓️ build cognitive systems, pythonic

47
Emerging
9 stanford-oval/chainlite

LangChain + LiteLLM that works

46
Emerging
10 paschembri/django-langchain

Integration between Django and LangChain

43
Emerging
11 JSv4/Delphic

Starter App to Build Your Own App to Query Doc Collections with Large...

40
Emerging
12 buhe/langchain-swift

🚀 LangChain for Swift. Optimized for iOS, macOS, watchOS (part) and visionOS.(beta)

38
Emerging
13 oisee/zllm

LangChain-lite for ABAP: Enterprise LLM orchestration framework with lazy...

37
Emerging
14 Ryota-Kawamura/LangChain-for-LLM-Application-Development

In LangChain for LLM Application Development, you will gain essential skills...

36
Emerging
15 ksm26/LangChain-for-LLM-Application-Development

Apply LLMs to your data, build personal assistants, and expand your use of...

36
Emerging
16 amosjyng/langchain-visualizer

Visualization and debugging tool for LangChain workflows

35
Emerging
17 brucechou1983/chainlit_langgraph

A seamless integration of Chainlit with LangGraph. Ideal for fast...

34
Emerging
18 rohanmistry231/Langchain-Interview-Preparation

A targeted resource for mastering LangChain, featuring practice problems,...

33
Emerging
19 pvl/langchain_forecast

Langchain tool for time series forecasting

32
Emerging
20 rishabkumar7/pets-name-langchain

App built with lang-chain utilizing OpenAI API to generate cool pet names...

29
Experimental
21 Django-Jiang/BadChain

[ICLR24] Official Repo of BadChain: Backdoor Chain-of-Thought Prompting for...

29
Experimental
22 tddschn/langchain-utils

LangChain Utilities for prompt generation from documents, URLs, and...

29
Experimental
23 coolbeevip/langchain-lab

This experiment will verify different use cases of LLM using LangChain,...

28
Experimental
24 alphasecio/chainlit

A simple Chainlit app for generative question-answering with LangChain and OpenAI.

28
Experimental
25 amosjyng/vcr-langchain

Record and replay LLM interactions for langchain

28
Experimental
26 kennethleungty/Wikipedia-Scraping-with-LLM-Agents

Scraping Wikipedia by combining LangChain's agents and tools with OpenAI's...

28
Experimental
27 hmasdev/langchain_werewolf

A CUI-based simple werewolf game with `langchain` and `langgraph`

28
Experimental
28 ArslanKAS/LangChain-for-LLM-App-Development

The framework to take LLMs out of the box. Learn to use LangChain to call...

27
Experimental
29 amosjyng/langchain-contrib

Experimental langchain utilities

27
Experimental
30 Brian-Kariu/django-chain

A Django library for seamless LangChain integration, making it easy to add...

26
Experimental
31 Shikenso-Analytics/langchain-discord

A Python library that bridges LangChain with Discord, providing tools for...

26
Experimental
32 prefect-archive/langchain-prefect

Tools for using Langchain with Prefect

25
Experimental
33 orthagonal/langchainex

Language Chain Library for Elixir

25
Experimental
34 Zulqarnain-cc34/Wolframalpha_Langchain

This project combines the exceptional capabilties of wolfram alpha but...

25
Experimental
35 PrefectHQ/langchain-prefect

Tools for using Langchain with Prefect

25
Experimental
36 dermatologist/dhti-elixir

Community‑driven elixirs powering modular extensions for DHTI.

25
Experimental
37 aws-samples/amazon-personalize-langchain-extensions

Amazon Personalize Langchain extensions to support invoking and retrieving...

25
Experimental
38 avrabyt/ConstitutionalChain-LangChain

Building app in databutton using LangChainAI's Constitutional Chain

25
Experimental
39 tobenot/TobenotLLMGameplay

"Langchain" for Unreal Engine C++. This is a collection plugin of the...

24
Experimental
40 williamfzc/DevRewind

Binding real-world businesses to code files by rewinding dev log. Built with...

24
Experimental
41 derf974/copilot-langchain

LangChain integration for GitHub Copilot SDK - Use GitHub Copilot models in...

24
Experimental
42 sezer-muhammed/langchain-fused-models

Unified multi-provider ChatModel manager for LangChain. Supports routing,...

22
Experimental
43 mastrophot/near-langchain-tx-builder

LangChain tools to build and simulate NEAR transactions before execution.

22
Experimental
44 leopeng1995/qwergpt

A Lightweight Framework for building LLM applications.

20
Experimental
45 ajndkr/pytest-langchain

✅ Pytest-style test runner for langchain projects

20
Experimental
46 arashbehmand/langchain_search1api

LangChain tools for the Search1API service

20
Experimental
47 ahmedbesbes/cowriter

A writing assistant using Langchain

19
Experimental
48 mariochavez/aoororachain

Aoororachain is Ruby chain tool to work with LLMs

19
Experimental
49 NajiAboo/langchain_llm

LanchainLLM

17
Experimental
50 machinelearningzuu/mastering-llm-apps

Welcome to Build LLM Apps with LangChain, your gateway to creating powerful...

16
Experimental
51 hmasdev/runnable_family

A python library implementing a family of Runnables in langchain

15
Experimental
52 WWIIITT/Language_Translation_Model

A Gradio-powered app using LangChain and Hugging Face models for...

14
Experimental
53 muqadasejaz/langchain-chains

This repository contains practice implementations of different LangChain...

14
Experimental
54 sothulthorn/Simple-LLM-with-LCEL

A text translation application built with LangChain Expression Language...

14
Experimental
55 Illia-the-coder/LLAMALangChainDemo

Welcome to the LLAMA LangChain Demo repository! This project showcases how...

14
Experimental
56 jean-bovet/SwiftLangChain

A very simple attempt at creating a LangChain-like framework in Swift

14
Experimental
57 SingularityKChen/langchain-vlsi-flow

LangChain based VLSI flow that is able to generate required HDL, testbench,...

13
Experimental
58 vincentkoc/datahub-langchain

Seamless LLM Lineage for DataHub with LangChain and LangSmith

12
Experimental
59 harehimself/langchain-lab

LangChain is a framework designed to simplify the creation of applications...

12
Experimental
60 shrutikakapade/Production-Ready-LLM-Pipeline-Development-with-LangChain-Chains-Runnables-Structured-Workflows

A step-by-step guide to building structured and scalable LLM pipelines using...

12
Experimental
61 Adi3042/Memory-in-Langchain

Educational project showcasing LangChain memory concepts using version...

11
Experimental
62 Manav54321/chains

This repository demonstrates how to use Chains in LangChain to build modular...

11
Experimental
63 srimad1111/LECL-LLM

simple LLM application with LangChain. This application will translate...

11
Experimental
64 junyg418/LangChainJ

Creating my own LangChain

11
Experimental
65 hungpm372/simple-LLM-application-with-LCEL

This is a simple application of the LLM (Lattice Conditional Execution...

10
Experimental