Open Source Projects tagged "Langchain"
A curated collection of the best open source projects tagged "Langchain". Each listing includes a website screenshot along with a detailed review of its features.
LLM gateway for auth, load balancing, and spend tracking
Stars
58,067Last commit
2 days agoLicense
Unknown
Acts as a unified proxy across 100+ LLMs, normalizing them to the OpenAI format while handling virtual keys, budgets, rate limits, fallbacks, and cost tracking.
Open Source Alternative to:
Build AI copilots for your product in hours, not months
Stars
37,208Last commit
2 days agoLicense
MIT
Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.
Open Source Alternative to:
Visual builder for AI agents and LLM workflows
Stars
55,423Last commit
24 days agoLicense
Apache-2.0
Open source platform for building AI agents, chatbots, and multi-agent systems using a drag-and-drop interface, with support for 100+ LLMs and RAG.
Open Source Alternative to:
Open source LLM engineering platform for AI-powered applications
Stars
34,218Last commit
2 days agoLicense
MIT
Langfuse provides tracing, evaluations, prompt management, and analytics to debug and improve LLM applications.
Open Source Alternative to:
AI assistant that enhances enterprise knowledge management
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22,715Last commit
2 days agoLicense
GPL-3.0
Open-source AI solution combining RAG pipelines, workflow automation, and multi-model support for intelligent enterprise knowledge management and customer service.
Privacy-first knowledge base with any AI model you choose
Stars
16,087Last commit
2 days agoLicense
Apache-2.0
Self-hostable NotebookLM alternative that lets teams build searchable knowledge bases from diverse sources, with support for any LLM and no data limits.
Open Source Alternative to:
Build powerful AI agents with cutting-edge LLM technology
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14,892Last commit
2 days agoLicense
MIT
A comprehensive platform for creating AI agents with intuitive tools, extensive integrations, and enterprise-grade features powered by the latest language models.
Open Source Alternative to:
Complete production stack for AI teams
Stars
12,902Last commit
3 months agoLicense
MIT
Comprehensive AI platform with gateway, observability, guardrails, and prompt management. Access 1,600+ LLMs via unified API with enterprise-grade security.
Open Source Alternative to:
Open-source LLM tracing & evaluation for AI optimization
Stars
11,334Last commit
2 days agoLicense
Elastic-2.0
Open-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application monitoring.
Open Source Alternative to:
The tensor database for AI data
Stars
9,229Last commit
4 months agoLicense
Apache-2.0
Deep Lake is an open-source database for storing, querying and managing complex AI data like images, audio, and embeddings.
Open Source Alternative to:
Build reliable AI apps with comprehensive observability
Stars
6,132Last commit
7 days agoLicense
Apache-2.0
Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.
Open Source Alternative to:
Enterprise workplace AI with data you own and control
Stars
3,724Last commit
2 days agoLicense
Apache-2.0
Self-hostable enterprise AI platform that unifies business data across apps, powers a knowledge graph for cited answers, and lets teams build AI agents across their stack.
Open Source Alternative to:
Monitor, debug, and scale LLM applications with ease
Stars
2,740Last commit
3 days agoLicense
Apache-2.0
Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluation built on OpenTelemetry.
Open Source Alternative to:
Stellar Hosted – Managed Open Source software hosting in the EU: secure, compliant, fast.
InfluxDB
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