LLM Technologies

hub Frameworks & SDKs

LangChain

Comprehensive framework for developing applications powered by language models. Provides modular components for prompt management, chains, agents, memory, and integrations with 100+ LLM providers and data sources.

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LlamaIndexHaystackSemantic Kernel
LangGraph

Extension of LangChain for building stateful, multi-actor applications with LLMs. Enables cyclic graphs, persistence, and human-in-the-loop workflows for complex agentic systems.

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AutoGenCrewAIMetaGPT
LangSmith

Platform for debugging, testing, evaluating, and monitoring LLM applications. Provides tracing, dataset management, and evaluation tools for LangChain applications.

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Weights & BiasesMLflowArize AI
OpenAI Agents SDK

OpenAI's Python SDK for building AI agents with function calling, tool use, and structured outputs. Provides high-level abstractions for creating conversational agents with memory, planning, and execution capabilities.

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LangChainGoogle Agents SDKSemantic Kernel
Google Agents SDK

Google's framework for building AI agents that can interact with tools, services, and APIs. Provides structured approaches to agent reasoning, planning, and execution.

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Vertex AI Agent BuilderDialogflow CX
Strands Agents SDK

Framework for building multi-agent systems with specialized agents that can collaborate, delegate tasks, and coordinate to solve complex problems.

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AutoGenLangGraphCrewAI
Strands Evals SDK

Evaluation framework for AI agents covering output validation, trajectory analysis, tool usage assessment, and LLM-as-Judge scoring. Includes dynamic simulators for multi-turn testing and automated test suite generation.

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DeepEvalInspect AIRAGAS
CopilotKit

Open-source framework for building AI-powered agentic applications with generative UI. Supports AG-UI protocol for agent-to-user communication, MCP for tool integration, and multiple agent frameworks including LangGraph, Strands, and ADK.

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Vercel AI SDKLangGraphStrands Agents SDK

storage Local Model Tools

Ollama

Run large language models locally with a simple command-line interface. Supports Llama, Mistral, Gemma, Qwen, DeepSeek, and many other models with automatic GPU acceleration and model management.

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LM StudioGPT4AllLlamafile
LM Studio

Desktop application for discovering, downloading, and running local LLMs. Features a user-friendly interface, OpenAI-compatible API server, and support for quantized models.

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OllamaJanGPT4All

travel_explore Web Agents

Notte

Framework for building AI agents that can interact with, scrape, and automate any website. Enables agents to navigate web interfaces, extract data, fill forms, and perform complex web-based tasks.

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Browser UseBrowserbasePlaywright
Tavily

Web access layer for AI agents providing tools for web search, content extraction, and real-time information retrieval. Optimized for agent workflows with structured outputs and relevance scoring.

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ExaSerpAPISerper
Firecrawl

Turn websites into clean, LLM-ready data. Crawls and converts any website into markdown or structured data optimized for RAG and fine-tuning pipelines.

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Crawl4AIScrapeGraphAIJina Reader
Browserbase

Headless browser infrastructure for AI agents. Provides reliable, scalable browser sessions with anti-detection, proxies, and stealth capabilities for web automation.

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NottePlaywrightBrowser Use
Exa

Neural search engine for AI applications. Returns semantically relevant results with clean extracted content, optimized for agent research and knowledge retrieval.

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TavilyPerplexity APIYou.com API
AgentQL

Extract structured data from any webpage using natural language queries. Converts unstructured HTML into typed data without writing selectors or scrapers.

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ScrapeGraphAIFirecrawlDiffbot
ScrapeGraphAI

AI-powered web scraping library that uses LLMs to extract data from websites. Handles dynamic content and complex page structures automatically.

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AgentQLFirecrawlCrawl4AI

monitoring Observability & Tracing

Langfuse

Open-source LLM observability platform with tracing, prompt management, and cost tracking. Integrates with LangChain, OpenAI SDK, and custom implementations.

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LangSmithPhoenixHelicone
Phoenix (Arize)

ML observability platform with LLM tracing, evaluation, and debugging. Visualizes traces, analyzes embeddings, and identifies performance issues.

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LangSmithLangfuseWeights & Biases
Opik (Comet)

LLM evaluation and tracing platform. Provides experiment tracking, prompt versioning, and production monitoring for LLM applications.

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MLflowWeights & BiasesLangSmith
Helicone

LLM proxy with analytics, caching, and rate limiting. Drop-in replacement for OpenAI SDK with cost tracking and usage insights.

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LangfusePortkeyLiteLLM
AgentOps

Agent observability platform with time-travel debugging, visual agent tracking, and cost monitoring. Supports 400+ LLMs and frameworks including CrewAI, AutoGen, and OpenAI.

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LangfuseLangSmithPhoenix

security Security & Guardrails

OWASP LLM Top 10

The Open Web Application Security Project's comprehensive list of the top 10 most critical security risks for Large Language Model applications, including prompt injection, insecure output handling, training data poisoning, and model denial of service.

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NIST AI Risk ManagementISO/IEC 23894
Bedrock Guardrails

AWS service that provides content filtering, denied topics, word filters, and sensitive information redaction for LLM applications. Integrates with Amazon Bedrock models and supports custom guardrail policies.

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Azure AI Content SafetyGoogle Cloud DLP
Guardrails AI

Open-source Python framework for adding structure, type safety, and quality guarantees to LLM outputs. Provides validators for data quality, safety, and compliance with customizable rules.

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NeMo GuardrailsRebuffLLM Guard
OpenGuardrails

Open-source framework for implementing safety guardrails and content moderation in LLM applications. Provides pre-built validators for toxicity, PII detection, prompt injection, and custom policy enforcement.

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Guardrails AILLM GuardNeMo Guardrails

data_object Data Formats & Parsing

TOON

Token-Oriented Object Notation - A compact, human-readable encoding of the JSON data model for LLM prompts. Optimizes for token efficiency while maintaining readability.

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JSONYAMLMessagePack
JSON River

Parse JSON incrementally as it streams in, e.g. from a network request or a language model. Gives you a sequence of increasingly complete values, enabling real-time processing of streaming LLM outputs.

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Streaming JSON parsersSAX parsersJSONStream
XML

XML's explicit start and end tags make it exceptionally well-suited for LLM structured outputs. Unlike JSON's bracket-matching complexity, XML's self-documenting nature means partial outputs remain parseable, tag names provide semantic context that aids generation, and the format naturally aligns with how LLMs process sequential tokens. Anthropic's Claude notably uses XML tags for prompt structuring.

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JSONYAMLTOON
Tool UI

Tool UI is a React component framework for conversation‑native UIs inside AI chats. Tools return JSON; Tool UI renders it as inline, narrated, referenceable surfaces.

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Vercel AI SDK UIStreamlitGradio