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 52 langchain application development tools tracked. 1 score above 50 (established tier). The highest-rated is onlyphantom/llm-python at 54/100 with 902 stars.

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#	Tool	Score	Tier	Stars	Language
1	onlyphantom/llm-python Large Language Models (LLMs) tutorials & sample scripts, ft. langchain,...	54	Established	902	Jupyter Notebook
2	daveebbelaar/langchain-experiments Building Apps with LLMs	44	Emerging	1,130	Jupyter Notebook
3	alphasecio/langchain-examples A collection of apps powered by the LangChain LLM framework.	44	Emerging	544	Python
4	ray-project/langchain-ray Examples on how to use LangChain and Ray	41	Emerging	232	Python
5	langchain-ai/langserve LangServe 🦜️🏓	40	Emerging	2,282	JavaScript
6	amjadraza/langchain-chainlit-docker-deployment-template A template to run Lanchain Powered App using Chainlit Front UI	39	Emerging	52	Dockerfile
7	joshuasundance-swca/langchain-research-assistant-docker docker setup to run the LangChain research-assistant template using langserve	37	Emerging	45	Dockerfile
8	platzi/curso-langchain Repositorio del proyecto y ejercicios del Curso de LangChain de Platzi	36	Emerging	25	Python
9	tilotech/tilores-langchain This repository provides the building blocks for integrating LangChain,...	34	Emerging	8	Python
10	EURAC-EEBgroup/brick-llm brickllm with langgraph	33	Emerging	25	Python
11	bhattbhavesh91/langchain-crashcourse The LangChain Crash Course Repository is a concise and comprehensive...	33	Emerging	23	Jupyter Notebook
12	tlaanemaa/langflow-docker Simple Docker wrapper for LangFlow	32	Emerging	23	Dockerfile
13	codingforentrepreneurs/try-langchain Learn how to use LangChain to build AI bots that can reason, use your data,...	31	Emerging	26	Jupyter Notebook
14	AI-Product-Course/Lectures Курс "Разработка AI/LLM-приложений на Python: от идеи до релиза"...	29	Experimental	107	Python
15	langchain-ai/langchain-sandbox Safely run untrusted Python code using Pyodide and Deno	27	Experimental	238	Python
16	djpapzin/LangChain-VectorDB-Learning This repository is dedicated to my learning journey through the LangChain &...	27	Experimental	8	Python
17	RAJ8664/python A Python archive of everything I’ve learned from core fundamentals to...	27	Experimental	5	HTML
18	vemonet/langchain-rdf 🦉 Utilities to improve LLMs capabilities when working with SPARQL endpoints...	27	Experimental	10	Jupyter Notebook
19	ktk/cube-sparql-llm PoC using OpenAI API via LangChain to create SPARQL queries that query RDF cubes	26	Experimental	8	Python
20	NebeyouMusie/LangChain-Starter A starter repo on how to create your first simple LLM application using LangChain	25	Experimental	2	Python
21	mayflower/airbyte-dagster-langchain-poc Airbyte - Dagster - LangChain Proof of Concept 2025	25	Experimental	2	Python
22	alexbonilla/deeplearning_langchain_llm_course Course Work on Langchain Python Framework for Large Language Models,...	25	Experimental	12	Jupyter Notebook
23	danielfrg/gcp-llm-retrieval-augmentation A retrieval augmentation LLM demo in GCP	23	Experimental	19	Jupyter Notebook
24	teddylee777/langserve-template LangServe 템플릿 코드	23	Experimental	9	Python
25	MarkCodering/langchain-course This repository contains all the materials and resources you need to get...	22	Experimental	1	Jupyter Notebook
26	eniompw/NVIDIA-NIM Example Code for using NVIDIA NIM APIs	21	Experimental	2	Python
27	shamspias/my-graphDB-learning-lab Explore the realms of graph databases with Neo4j, dive into Cypher queries,...	21	Experimental	8	Python
28	RGGH/LangChain-Course Full LangChain Course for Python	19	Experimental	3	Python
29	subhasisj/llm-product-insights Extracting Product Insights from Unstructured text data using LLMs with LangChain	18	Experimental	6	Jupyter Notebook
30	asokraju/LangChainDatasetForge Generating artificial datasets using langchain and finetuning the LLMs on...	17	Experimental	4	Jupyter Notebook
31	research-outcome/llm-langchain-examples Examples of llm apps developed using langchain opensource framework	16	Experimental	2	Jupyter Notebook
32	Wangmerlyn/KeyChain KeyChain, UUID-driven data augmentation design behind LoongRL (ICLR 2026 oral)	16	Experimental	2	Jupyter Notebook
33	Illia-the-coder/BardAPI-LLM This repository hosts a Jupyter notebook that demonstrates the seamless...	16	Experimental	4	Jupyter Notebook
34	kwame-mintah/python-langchain-chainlit-qdrant-ollama-stack-template 📄 A template for project for creating a chainlit application, using a...	16	Experimental	4	Python
35	nluninja/langchain-101 Educational project for building a RAG app LLaMA, via LangChain	15	Experimental	—	Jupyter Notebook
36	valeadami/LangChainJSConsoleApplication This repository contains a console application made up of a set of tools to...	15	Experimental	1	JavaScript
37	simonprudhomme/langserve-demo Python application that provides a RESTful API for LLM services. The...	15	Experimental	2	Jupyter Notebook
38	ehsanghaffar/large-language-model-exercises In this repository, you'll find a collection of well-structured code...	15	Experimental	6	JavaScript
39	genai-portfolio/Side-projects This is our own side hustle for coding other than our university projects....	14	Experimental	3	Jupyter Notebook
40	sizofren01/langchain-learning 📘 Master LangChain and LLMs with hands-on notebooks, covering data...	14	Experimental	—	Jupyter Notebook
41	Narendra8767/LangChain-Hands-on-Code-from-Scratch A complete, structured, hands-on LangChain playlist covering everything from...	12	Experimental	1	Jupyter Notebook
42	craigsdennis/talks-wrapping-your-brain-around-langchain An accompanying repo for a intro level talk about LangChain	12	Experimental	3	Python
43	Jerryym/550A 基于Langchain的大模型应用开发学习	11	Experimental	—	Python
44	Pavantej123/LangChain_module This repository contains my work during my learning phase of langchain	11	Experimental	—	Python
45	zanesmit29/LangChain-for-LLM-dev LangChain for LLM applications development by DeepLearning.AI	11	Experimental	—	Jupyter Notebook
46	ttpss930141011/langchain-workshop This project is used to try various langchain applications to experience the...	11	Experimental	—	Python
47	smithclay/driftkit psychogeographical walks powered by LLMs	10	Experimental	1	Jupyter Notebook
48	metriccoders/metriccoders_langchain_notebooks This repository contains notebooks and programs on langchain.	10	Experimental	1	Jupyter Notebook
49	ioniccommerce/examples Ionic integration examples	10	Experimental	1	—
50	SINGHxTUSHAR/Langchain-DBidx Documentation for the LangChain to build the LLM's & RAG application.	10	Experimental	1	Jupyter Notebook
51	shaun-barnard/python Shaun's Python Repository	10	Experimental	1	Python
52	bharatr21/langchain-vectordb-course ActiveLoop's Course on LangChain and Vector Databases in Production	10	Experimental	1	Jupyter Notebook

Comparisons in this category

langchain-examples and langchain-experiments (44 vs 44) llm-python and langchain-examples (54 vs 44)