Python

BabyAGI

The 2023 task-loop agent, now a family of open-source experiments

Code Llama

Meta's 2023 code models on Llama 2, frozen but still downloadable

DeepEval

Pytest-style unit testing for LLM apps, 50+ metrics, Apache 2.0

LangGraph

Open-source graph framework for durable, stateful AI agents

Microsoft Agent Framework

Successor SDK to Semantic Kernel and AutoGen

Modal

Serverless GPUs, sandboxes and inference, driven from Python

Open Interpreter

Open-source terminal coding agent tuned for low-cost, open-weight models

OpenAgents

Open-source research platform for language agents, unmaintained since 2024

OpenAI Agents SDK

OpenAI's small-footprint framework for agents, handoffs and guardrails in code

SantaCoder

BigCode's small 2022 code model, a data-filtering experiment superseded by StarCoder

StarCoder

BigCode's self-hostable code models with traceable training data

Vanna AI

Open-source text-to-SQL agent, now archived, with paid hosted plans