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Best Frameworks Sdks (2026) | Unfragile

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Frameworks Sdks

158 tools · Browse 158 frameworks sdks AI artifacts on Unfragile.

Avg score: 62/100

19 free

1 freemium

2 open source

OpenAI Agents SDK

OpenAI's official agent framework — agents, handoffs, guardrails, sessions, built-in tracing.

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Claude Agent SDK

59/100Free

Anthropic's official agent SDK — the Claude Code harness (tools, MCP, subagents, permissions) as a library.

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Pipecat

Open-source realtime voice-agent framework — composable STT/LLM/TTS pipelines, every provider, WebRTC.

LiveKit Agents

LiveKit's realtime agent framework — voice/video agents as WebRTC participants, telephony included.

Semantic Kernel

Microsoft's SDK for integrating LLMs into apps — plugins, planners, and memory in C#/Python/Java.

LangChain

Revolutionize AI application development, monitoring, and...

langchain

Typescript bindings for langchain

Kubeflow

ML toolkit for Kubernetes — pipelines, notebooks, training, serving, feature store.

Spring AI

AI framework for Spring/Java — portable LLM API, RAG pipeline, vector stores, function calling.

Mastra

TypeScript AI framework — agents, workflows, RAG, and integrations for JS/TS developers.

Langflow

Visual multi-agent and RAG builder — drag-and-drop flows with Python and LangChain components.

GPT4All

Privacy-first local LLM ecosystem — desktop app, document Q&A, Python SDK, runs on CPU.

TypeChat

Microsoft's type-safe LLM output validation.

Transformers

Hugging Face's model library — thousands of pretrained transformers for NLP, vision, audio.

spaCy

Industrial-strength NLP library for production use.

Outlines

Structured text generation — guarantees LLM outputs match JSON schemas or grammars.

OpenCV

Comprehensive computer vision library with 2,500+ algorithms.

llamaindex

<p align="center"> <img height="100" width="100" alt="LlamaIndex logo" src="https://ts.llamaindex.ai/square.svg" /> </p> <h1 align="center">LlamaIndex.TS</h1> <h3 align="center"> Data framework for your LLM application. </h3>

MLX

Apple's ML framework for Apple Silicon — NumPy-like API, unified memory, LLM support.

LMQL

Programming language for constrained LLM interaction.

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