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Letta

Appears in 4 awesome lists

The reference architecture for stateful agents: three-tier memory (core / archival / recall) maps directly to harness state management design. Their agent loop redesign post is the most thorough public analysis of how memory structure shapes the harness.

Open github.comletta-ai/letta

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Awesome Harness Engineering

Section: Memory & State · The reference architecture for stateful agents: three-tier memory (core / archival / recall) maps directly to harness state management design. Their agent loop redesign post is the most thorough public analysis of how memory structure shapes the harness.

FreshScore 88

Awesome LangChain

Section: Other LLM Frameworks · Platform for stateful agents with advanced memory that learn and self-improve

FreshScore 90

Awesome local LLM

Section: Memory Management · the stateful agents framework with memory, reasoning, and context management

FreshScore 87

Awesome Open Source AI

Section: 4. Agentic AI & Multi-Agent Systems · Platform for building stateful agents with advanced memory that learn and self-improve over time.

FreshScore 89

LlamaIndex

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In 14 listsDetails

Mem0

Mem0 is an intelligent memory layer for Large Language Models that enhances personalized AI experiences by retaining and utilizing contextual information across various applications. github | website | docs | discord | twitter | github profile | linkedin

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Haystack

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search,…

In 13 listsDetails

AutoGen

Microsoft's multi-agent conversation framework with a complete AgentChat layer covering agent loop, tool integration, termination conditions, and human-in-the-loop. The most comprehensive open-source reference for large-scale multi-agent harness design.

In 14 listsDetails

DSPy

(MIT) is a framework for algorithmically optimizing LM prompts and weights. DSPy introduced typed predictor and signatures to leverage Pydantic for enforcing type constraints on inputs and outputs, improving upon string-based fields.

In 11 listsDetails

promptfoo

Test your prompts, models, RAGs. Evaluate and compare LLM outputs, catch regressions, and improve prompt quality. LLM evals for OpenAI/Azure GPT, Anthropic Claude, VertexAI Gemini, Ollama, Local & private models like Mistral/Mixtral/Llama with CI/CD

In 11 listsDetails

Semantic Kernel

Semantic Kernel is an SDK that integrates Large Language Models (LLMs) like OpenAI, Azure OpenAI, and Hugging Face with conventional programming languages like C#, Python, and Java. Semantic Kernel achieves this by allowing you to define plugins that can be chained together in just a few lines of…

In 11 listsDetails

OpenLLM

Production-grade platform for running any open-source LLMs as OpenAI-compatible API endpoints. Supports 50+ models with built-in streaming, batching, and auto-acceleration. Apache 2.0 licensed.

In 10 listsDetails