AG-UI Protocol
The AG-UI Protocol (Agent-User Interaction Protocol) is an open, event-based protocol that standardizes how AI agents communicate with user-facing applications.
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AG2 (framework)
AG2 (formerly AutoGen) is an open-source Python framework for building applications composed of multiple cooperating large-language-model (LLM) agents.
AI coding agent
An AI coding agent is an autonomous artificial intelligence system that can independently plan, write, test, debug, and deploy software code with minimal human oversight.
Agent Builder (OpenAI AgentKit)
Agent Builder is a visual, browser-based workflow editor developed by openai for designing, versioning, and deploying multi-agent applications on top of the company's API platform.
Agent Skills
Agent Skills are a lightweight, open format for extending AI agents with specialized knowledge and workflows.
Agent Tools API
The Agent Tools API is xAI's server-side tool suite that lets agents built on the Grok family browse the web, search X posts, run Python code, retrieve uploaded documents, and call external tools, with every…
Agent orchestration
Agent orchestration is the coordinated management of multiple AI agents working together as a unified system to accomplish tasks that exceed the capability of any single agent.
Agno
Agno is an open-source Python framework for building, running, and managing AI agents and multi-agent systems.
Atlassian Rovo Dev
Atlassian Rovo Dev is an agentic AI coding assistant developed by Atlassian that automates parts of the software development lifecycle, including planning, code generation, code review, and pull-request triage.
Augment Code
Augment Code is an enterprise AI coding platform, founded in 2022 by Igor Ostrovsky and Guy Gur-Ari and led by CEO Scott Dietzen, that builds AI agents purpose-built for large, complex codebases.
AxiomProver
AxiomProver is an automated theorem-proving system developed by Axiom Math. The company describes it as an autonomous multi-agent system for Lean 4 that translates mathematical tasks into formal statements and…
Best AI Agent Frameworks
As of July 2026, the best all-around framework for building agentic LLM applications is LangGraph 1.0, the graph-based orchestration layer that reached its first stable release on October 22, 2025 and runs…
Best AI Coding Assistants
As of July 2026, the two strongest AI coding assistants overall are Claude Code and the OpenAI Codex CLI, which finish within 0.3 points of each other at the top of the Terminal-Bench 2.1 agent leaderboard…
Browser Use
Browser Use is an open-source Python library that lets large language models control a web browser, turning any LLM into an agent that can browse the web, click buttons, fill forms, and complete multi-step…
Claude Agent SDK
The Claude Agent SDK is Anthropic's official software development kit for building custom AI agents powered by Claude, released on September 29, 2025 as the renamed and expanded successor to the Claude Code…
Claude Code
Claude Code is an agentic software development product made by Anthropic. It uses models from the Claude family to inspect software projects, propose and apply changes, run development tools, and report…
Claude Code Playwright
Claude Code Playwright refers to the practice and integration of using Claude Code, Anthropic's agentic coding tool available in the terminal, IDEs, and via API
Claude Code Subagents
Claude Code subagents (also sub-agents) are specialized AI assistants that Claude Code, Anthropic's command-line coding tool, can delegate specific tasks to.
Cline (AI coding agent)
Cline is an open-source autonomous coding agent that runs as an extension inside VS Code and several other editors, with more than five million installs as of 2026.
Cloudflare OS
Cloudflare OS is an open-source AI agent workspace and application platform released by Cloudflare on August 5, 2026, during the company's Agents Week 2026 launch week .
Coding agent
A coding agent is a software system that uses a large language model to carry out programming work by acting on a development environment rather than only producing text for a person to copy.
Cognition AI
Cognition AI is an American artificial intelligence company headquartered in San Francisco, California, that builds autonomous AI software engineering agents.
Composio
Composio is an open-source AI agent tool integration platform that provides infrastructure for connecting large language models (LLMs) and AI agents to over 1,000 external applications and services.
CrewAI
CrewAI is an open-source multi-agent orchestration framework that enables developers to build teams of AI agents that collaborate to accomplish complex tasks.
Deep Agents
Deep Agents is an open-source agent harness developed by LangChain for long-running, complex, multi-step, non-deterministic tasks such as research, coding, and go-to-market automation.
DeepSeek Harness
DeepSeek Harness is an open-source AI agent harness developed by DeepSeek. Also called dsh, it supplies the software around a language model: the agent loop, tools, sessions, filesystems, permission controls…
Dify
Dify (stylized Dify.AI) is an open-source platform for building, deploying, and operating applications and agents powered by large language models.
Factory (AI company)
Factory is an American AI company that builds autonomous software engineering agents for enterprise engineering teams.
Flowise
Flowise is an open-source, low-code platform for building large language model applications, chatbots, and AI agents by dragging and dropping nodes onto a visual canvas.
Gemini CLI
Gemini CLI is an open-source, terminal-based AI agent developed by Google that brings Gemini models directly into the command line for coding, file editing, shell automation, and research grounded in real-time…
GitHub Spark
GitHub Spark is a natural-language application builder developed by GitHub that lets users describe a web app in plain English and watch it be generated, deployed, and hosted without manually writing or…
Google Agent Development Kit
The Google Agent Development Kit (ADK) is an open-source framework from Google for building, evaluating, and deploying AI agents and multi-agent systems.
Gumloop
Gumloop is a no-code AI workflow automation platform that lets teams build, deploy, and manage AI agents and automated workflows through a visual drag-and-drop interface.
Headlong
Headlong is an open-source microharness for persistent AI agents developed by the Laude Institute in collaboration with researchers at MIT.
Hermes Agent
Hermes Agent is an open-source AI agent platform developed by Nous Research. Official project materials describe it as a long-running agent runtime that combines a terminal interface, tool use, persistent…
Jules (Google)
Jules is an autonomous AI coding agent developed by Google under Google Labs, designed to perform software development tasks asynchronously inside secure cloud virtual machines.
Kiro (AI IDE)
Kiro is an agentic integrated development environment (IDE) built by Amazon Web Services and released in public preview on July 14, 2025 .
LangChain
LangChain is an open-source software framework for applications that use large language models.
LangGraph
LangGraph is an open-source low-level orchestration library for building stateful, multi-actor applications powered by large language models.
Letta (MemGPT)
Letta (formerly MemGPT) is an open-source platform for building stateful AI agents with persistent memory, developed by the team behind the MemGPT research project at UC Berkeley's Sky Computing Lab.
Lindy
Lindy is a no-code AI agent platform that lets businesses and individuals build autonomous agents to automate workflows across sales, customer support, operations, and scheduling.
Linkup
Linkup is a Paris-based artificial intelligence company that operates a web search API designed for AI applications, autonomous agents, and retrieval-augmented generation (RAG) systems.
Mastra
Mastra is an open-source TypeScript framework for building AI agents, workflows, and retrieval-augmented generation pipelines.
Mem0
Mem0 (pronounced "mem-zero") is an open-source memory layer for AI agents and large language model applications that gives stateless LLMs persistent, evolving memory across sessions.
Microsoft Agent Framework
Microsoft Agent Framework (MAF) is an open-source software development kit and runtime developed by Microsoft for building AI agents, multi-agent systems, and graph-based workflows.
Mistral Vibe
Mistral Vibe is a unified AI assistant and agent from Mistral AI for professional work, software development, and conversational tasks.
Muse Code
Muse Code is a terminal coding agent developed by Meta Superintelligence Labs. Meta introduced it in beta on August 5, 2026 alongside the Muse Spark 1.2 model that powers it
NOOA (NVIDIA Object-Oriented Agents)
NOOA (NVIDIA Object-Oriented Agents) is an open-source, model-agnostic Python framework for building AI agents, released by NVIDIA in July 2026 .
NVIDIA AVO
NVIDIA AVO, short for Agentic Variation Operators, is an experimental AI agent architecture developed by NVIDIA for sustained, feedback-driven search.
NVIDIA NeMo Agent Toolkit
The NVIDIA NeMo Agent Toolkit is an open-source, framework-agnostic library for connecting, profiling, evaluating, and optimizing teams of AI agents.
NVIDIA OpenShell
NVIDIA OpenShell is an open source runtime that executes autonomous AI agents inside policy-governed sandboxes, published by NVIDIA under the Apache License 2.0.
Open Interpreter
Open Interpreter is an open-source desktop agent, distributed as a Python command-line tool and library, that lets a large language model write and execute code locally on the user's machine.
OpenAI AgentKit
OpenAI AgentKit is a suite of agent-building tools that OpenAI introduced at OpenAI DevDay on 6 October 2025 to take AI agents from prototype to production on OpenAI's hosted models.
OpenAI Agents API
OpenAI Agents API is a developer service for running long-running AI agents with the Codex agent harness managed by OpenAI. OpenAI released it in public beta on September 10, 2026.
OpenAI Agents SDK
The OpenAI Agents SDK is an open-source, lightweight framework developed by OpenAI for building multi-agent systems and agentic workflows, built around four core primitives: agents, handoffs, guardrails, and…
OpenAI Apps SDK
The OpenAI Apps SDK is a developer toolkit, released by OpenAI at OpenAI DevDay on 6 October 2025, that lets third-party software build and run interactive apps directly inside a ChatGPT conversation .
OpenAI Assistants API
The OpenAI Assistants API is a stateful, server-managed application programming interface that OpenAI introduced on November 6, 2023, at its first DevDay developer conference, letting developers build…
OpenAI Codex CLI
OpenAI Codex CLI is an open-source, terminal-based coding agent developed by OpenAI and released on April 16, 2025
OpenAI Codex Cloud
OpenAI Codex Cloud is a hosted, cloud-based software engineering agent developed by OpenAI and launched as a research preview on May 16, 2025.
OpenAI Responses API
The OpenAI Responses API is OpenAI's agent-oriented HTTP API, launched on March 11, 2025, that unifies the simplicity of the Chat Completions API with the stateful