LangChain Application Development LLM Tools

Tutorials, courses, and practical guides for building LLM applications using LangChain frameworks. Includes chains, retrieval augmentation, multi-step reasoning, and data processing. Does NOT include LangChain library documentation, core framework development, or non-LangChain specific LLM tutorials.

There are 48 langchain application development tools tracked. 3 score above 50 (established tier). The highest-rated is onlyphantom/llm-python at 61/100 with 902 stars.

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# Tool Score Tier
1 onlyphantom/llm-python

Large Language Models (LLMs) tutorials & sample scripts, ft. langchain,...

61
Established
2 alphasecio/langchain-examples

A collection of apps powered by the LangChain LLM framework.

51
Established
3 daveebbelaar/langchain-experiments

Building Apps with LLMs

51
Established
4 ray-project/langchain-ray

Examples on how to use LangChain and Ray

48
Emerging
5 langchain-ai/langserve

LangServe 🦜️🏓

47
Emerging
6 amjadraza/langchain-chainlit-docker-deployment-template

A template to run Lanchain Powered App using Chainlit Front UI

46
Emerging
7 joshuasundance-swca/langchain-research-assistant-docker

docker setup to run the LangChain research-assistant template using langserve

44
Emerging
8 platzi/curso-langchain

Repositorio del proyecto y ejercicios del Curso de LangChain de Platzi

43
Emerging
9 EURAC-EEBgroup/brick-llm

brickllm with langgraph

40
Emerging
10 bhattbhavesh91/langchain-crashcourse

The LangChain Crash Course Repository is a concise and comprehensive...

40
Emerging
11 tlaanemaa/langflow-docker

Simple Docker wrapper for LangFlow

39
Emerging
12 codingforentrepreneurs/try-langchain

Learn how to use LangChain to build AI bots that can reason, use your data,...

38
Emerging
13 AI-Product-Course/Lectures

Курс "Разработка AI/LLM-приложений на Python: от идеи до релиза"...

36
Emerging
14 vemonet/langchain-rdf

🦉 Utilities to improve LLMs capabilities when working with SPARQL endpoints...

34
Emerging
15 langchain-ai/langchain-sandbox

Safely run untrusted Python code using Pyodide and Deno

33
Emerging
16 ktk/cube-sparql-llm

PoC using OpenAI API via LangChain to create SPARQL queries that query RDF cubes

33
Emerging
17 NebeyouMusie/LangChain-Starter

A starter repo on how to create your first simple LLM application using LangChain

32
Emerging
18 alexbonilla/deeplearning_langchain_llm_course

Course Work on Langchain Python Framework for Large Language Models,...

32
Emerging
19 mayflower/airbyte-dagster-langchain-poc

Airbyte - Dagster - LangChain Proof of Concept 2025

30
Emerging
20 teddylee777/langserve-template

LangServe 템플릿 코드

30
Emerging
21 danielfrg/gcp-llm-retrieval-augmentation

A retrieval augmentation LLM demo in GCP

30
Emerging
22 MarkCodering/langchain-course

This repository contains all the materials and resources you need to get...

29
Experimental
23 eniompw/NVIDIA-NIM

Example Code for using NVIDIA NIM APIs

28
Experimental
24 RGGH/LangChain-Course

Full LangChain Course for Python

26
Experimental
25 Illia-the-coder/BardAPI-LLM

This repository hosts a Jupyter notebook that demonstrates the seamless...

23
Experimental
26 kwame-mintah/python-langchain-chainlit-qdrant-ollama-stack-template

📄 A template for project for creating a chainlit application, using a...

23
Experimental
27 simonprudhomme/langserve-demo

Python application that provides a RESTful API for LLM services. The...

22
Experimental
28 ehsanghaffar/large-language-model-exercises

In this repository, you'll find a collection of well-structured code...

22
Experimental
29 valeadami/LangChainJSConsoleApplication

This repository contains a console application made up of a set of tools to...

22
Experimental
30 genai-portfolio/Side-projects

This is our own side hustle for coding other than our university projects....

21
Experimental
31 craigsdennis/talks-wrapping-your-brain-around-langchain

An accompanying repo for a intro level talk about LangChain

19
Experimental
32 smithclay/driftkit

psychogeographical walks powered by LLMs

17
Experimental
33 ioniccommerce/examples

Ionic integration examples

17
Experimental
34 shaun-barnard/python

Shaun's Python Repository

17
Experimental
35 Alfer-Star/document-ai-workshop

A german workshop where you learn how to build RAGs with Langchain

14
Experimental
36 fancellu/langChainDemo

Lots of little applications showing langchain at work

13
Experimental
37 EmmS21/daggerverse

A collection of Dagger modules I built and published

13
Experimental
38 ttpss930141011/langchain-workshop

This project is used to try various langchain applications to experience the...

13
Experimental
39 sizofren01/langchain-learning

📘 Master LangChain and LLMs with hands-on notebooks, covering data...

13
Experimental
40 borisdev/cpal-llm-chain-demo

The concept of using a LLM for developing a work plan.

12
Experimental
41 guilmola724/LangChain-LLM-project

Building App with LLMs

11
Experimental
42 umarwaseeem/llm-langchain-fundamentals

learning to have easier interactions with LLMs using langchain framework

11
Experimental
43 Anshita1Saxena/LangChainGPT

This repository holds the LLM based project using huggingface and google...

11
Experimental
44 givkashi/Text-Correction-Application-with-LangGraph

Text Correction Application with LangChain, LangGraph, and LLM

11
Experimental
45 webreactiva-devs/chat-langchain-demos

Ejemplos de código de LangChain y OpenAI

11
Experimental
46 Juan-LukeKlopper/steamlit_langchain_template

This template is a basic started template which allows me to create...

11
Experimental
47 rerichardjr/langchain-projects

LangChain projects

11
Experimental
48 Cutwell/langchain-in-Y-seconds

Learn the entire LangChain tech-stack fast 🏃‍♀️

10
Experimental