JavaScript langchain

Open-source JavaScript projects categorized as langchain
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Stream - Scalable APIs for Chat, Feeds, Moderation, & Video.
Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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Top 15 JavaScript langchain Projects

langchain

  1. EmbedAI

    An app to interact privately with your documents using the power of GPT, 100% privately, no data leaks

  2. SurveyJS

    JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Keep full control over the data you collect and tailor the form builder’s entire look and feel to your users’ needs. SurveyJS works with React, Angular, Vue 3, and is compatible with any backend or auth system. Learn more.

    SurveyJS logo

  3. langserve

    LangServe 🦜️🏓

  4. Dot

    Text-To-Speech, RAG, and LLMs. All local! (by alexpinel)

  5. Open-Custom-GPT

    Create Custom GPT and add/embed on your site using Assistants api

  6. GPT-Agent

    🚀 Introducing 🐪 CAMEL: a game-changing role-playing approach for LLMs and auto-agents like BabyAGI & AutoGPT! Watch two agents 🤝 collaborate and solve tasks together, unlocking endless possibilities in #ConversationalAI, 🎮 gaming, 📚 education, and more! 🔥

  7. langchain-ui

    🧬 The open source chat-ai toolkit

  8. AgentLLM

    AgentLLM is a PoC for browser-native autonomous agents

  9. Stream

    Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.

    Stream logo

  10. GPT-Actions

    GPT Auth provides a user-friendly solution to quickly setup oauth for your custom GPT and self-host it.

  11. localforge

    Local coding agent with neat UI

    Project mention: Show HN: I Built Codex/ClaudeCLI for Any LLM, with Vision and UI (MIT) | news.ycombinator.com | 2025-04-29

  12. ai-starter-kit

    A Web app stack written in FastAPI, Qdrant, and React for creating AI projects

  13. json-like-parse

    JavaScript npm module that finds JSON-like text within a string and then parses it on best effort basis

  14. patient_chatbot

    Patient Assistant Chatbot: An intelligent, real-time chatbot built with Django and Neo4j, leveraging AI-driven intent recognition to assist patients with managing appointments, medications, and health-related inquiries securely and efficiently.

    Project mention: Drasi: Microsoft's open source data processing platform for event-driven systems | news.ycombinator.com | 2024-10-20

    Cypher is so cool. I included a graph database in my RAG patient chatbot

    https://github.com/SiddanthEmani/patient_chatbot

  15. copilot-cli-agent

    Enhance your CLI with AI - Using Langchain Framework & OpenAI Functions Agent

  16. know-edge-ai

    Stay ahead with KnowEdge – giving your knowledge an edge through AI-powered learning and smart insights.

  17. xata-cache-openai-langchain

    Explore different methods to cache OpenAI Chat API Responses with LangChain and Xata.

  18. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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  • A note from our sponsor - InfluxDB
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    InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more →

Index

What are some of the best open-source langchain projects in JavaScript? This list will help you:

# Project Stars
1 EmbedAI 2,805
2 langserve 2,121
3 Dot 1,813
4 Open-Custom-GPT 1,639
5 GPT-Agent 1,178
6 langchain-ui 906
7 AgentLLM 412
8 GPT-Actions 268
9 localforge 212
10 ai-starter-kit 51
11 json-like-parse 23
12 patient_chatbot 15
13 copilot-cli-agent 9
14 know-edge-ai 4
15 xata-cache-openai-langchain 0

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JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor
Keep full control over the data you collect and tailor the form builder’s entire look and feel to your users’ needs. SurveyJS works with React, Angular, Vue 3, and is compatible with any backend or auth system. Learn more.
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