Alternatives
Open Source Alternatives to LangChain
LangChain alternatives listed by the directory.
Open Source Alternatives to LangChain
Use the same directory search, ordering, and pagination controls inside this collection.
9 of 9 tools
Agno
Apache-2.0
Open-source platform that enables developers to create, deploy and monitor AI agents with built-in memory, knowledge integration, and external tool connectivity.
Arize Phoenix
Unknown
Open-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application monitoring.
Laminar
Apache-2.0
Laminar is an open-source platform that helps collect, understand, and utilize data for building high-quality LLM applications.
Langfuse
Unknown
Langfuse provides tracing, evaluations, prompt management, and analytics to debug and improve LLM applications.
Letta
Apache-2.0
Letta is an open-source platform for creating AI agents with built-in memory, reasoning, and support for thousands of tools.
LiteLLM
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.
Mem0
Apache-2.0
Adds persistent, searchable memory to AI agents and apps, so they remember user preferences and past interactions across sessions without pipeline changes.
Supermemory
MIT
Add persistent memory to LLM apps with millisecond recall times. Store, retrieve, and personalize user data across sessions with enterprise-grade security.
Helicone
Apache-2.0
Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.