AI Index

Agent harnesses

Agent frameworks, runtimes, coding agents, and enterprise agent platforms: where memory gets wired in. 51 entries: 18 commercial · 3 open source + paid cloud · 27 open source · 3 source-available.

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Open sourceAG2AG2 (formerly AutoGen): The Open-Source AgentOS.Join us at: https://discord.gg/sNGSwQME3x

★ 5,054 on GitHub · +1 today

Open sourcearchivedno commits in 272 daysAgenticYour API ⇒ Paid MCP. Instantly.

★ 18,081 on GitHub

Open sourceno commits in 853 daysAgenticJSAgenticJS is a JavaScript-native framework for building and managing multi-agent systems.

★ 1 on GitHub

Open sourceAgnoThe self-driving agent platform

★ 43,130 on GitHub · +6 today

Open sourceno commits in 112 daysAIOSAIOS: AI Agent Operating System

★ 6,551 on GitHub

CommercialAmazon Bedrock AgentCore Runtime

Amazon Web Services

Managed runtime and agent platform with Memory, Gateway, Identity, Browser, and Observability

Consumption-based with no upfront commitment; Runtime billed per CPU and memo…

Open sourceAutoGenA programming framework for agentic AI

★ 61,773 on GitHub · +8 today

Source-availableAutoGPTAutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus o…

★ 187,977 on GitHub · +2 today

CommercialClaude Code

Anthropic

Agentic coding agent for terminal, IDE, web, Slack, and GitHub Actions

Included with Claude Pro ($17/mo annual, $20 monthly), Max ($100/mo), and Max…

Open sourceClineAutonomous coding agent as an SDK, IDE extension, or CLI assistant.

★ 71,489 on GitHub · +18 today

Open sourceno commits in 107 dayscodeany Open Agent SDKAgent-SDK without CLI dependencies, as an alternative to claude-agent-sdk, completely open source

★ 2,745 on GitHub

Open sourceCrewAIFramework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work t…

★ 60,723 on GitHub · +20 today

CommercialCursor

Anysphere (Cursor)

AI code editor and coding agent (desktop, CLI, cloud agents) built on a VS Code fork

Free $0; Plus $8/mo, Premium $30/mo, Super $100/mo, Ultra $200/mo; Teams $30+…

CommercialDecagonAI concierge platform for customer support, with agents deployed across voice, chat, and emailOpen sourceDeep AgentsThe batteries-included agent harness.

★ 31,172 on GitHub · +14 today

CommercialDevin

Cognition

Autonomous software engineer (cloud, CLI, desktop, and API) that plans, codes, tests, and opens PRs

Free tier; Pro $20/mo, Max $200/mo, Teams $80/mo plus $40/mo per full dev sea…

Source-availableDifyBuild Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self…

★ 160,827 on GitHub · +39 today

Open source + paid cloudarchivedFlowiseBuild AI Agents, Visually

★ 55,564 on GitHub

CommercialGitHub Copilot

GitHub (Microsoft)

Coding agent across IDEs, GitHub.com, Copilot CLI, coding agent, code review, and Spaces

Free tier; Pro $10/mo, Pro+ $39/mo, Max $100/mo base credits with additional …

Open sourceGoogle ADK

Google

An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

★ 22,172 on GitHub · +5 today

CommercialGoogle Jules

Google

Asynchronous cloud coding agent that clones a repo, plans with Gemini, and opens PRs

Free Jules (15 tasks/day, 3 concurrent); Jules in Pro via Google AI Pro (100 …

Open sourceHaystack

deepset

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and a…

★ 26,977 on GitHub · +8 today

Open sourceKestraOrchestrate everything, everywhere. The open-source control plane for workflows across data, infrastructure, business processes and AI ag…

★ 30,188 on GitHub · +4 today

CommercialKiro

Amazon Web Services

Agentic engineering system for IDE, CLI, web, mobile, and autonomous Kiro Crew agents

Free tier (50 credits/mo); Pro $20/mo (1,000 credits), Pro+ $40/mo (2,000), P…

Open sourceLangChainThe agent engineering platform.

★ 149,300 on GitHub · +13 today

Open sourceLangflowLangflow is a powerful tool for building and deploying AI-powered agents and workflows.

★ 156,499 on GitHub · +7 today

Open sourceLangGraphBuild resilient agents.

★ 44,746 on GitHub · +25 today

CommercialLangSmith

LangChain

CommercialLindyAI 'employee' agent that plugs into SaaS tools and runs multi-step work like a human teammate

$50 in free credits at signup; subscription plans sold through contact sales …

Open sourceLlamaIndex WorkflowsLlama Agents + Workflows are an event-driven, async-first, step-based way to control the execution flow of AI applications like agents.

★ 464 on GitHub

Open source + paid cloudMastraMastra is the modern TypeScript framework for AI-powered applications and agents.

★ 29,445 on GitHub · +9 today

Open sourceMicrosoft Agent FrameworkA framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

★ 14,618 on GitHub · +8 today

CommercialMicrosoft Copilot Studio

Microsoft

Low-code platform for building conversational and autonomous agents, workflows, and apps inside Microsoft 365

Microsoft 365 Copilot add-on for in-org agent building; standalone Copilot St…

CommercialMicrosoft Foundry Agent Service

Microsoft

Managed platform for prompt agents, voice prompt agents, and hosted agents on any framework
Source-availablen8nFair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ in…

★ 209,992 on GitHub · +35 today

Open sourceno commits in 233 daysOpen Agent SDKTypeScript AI SDK for building AI agents with any LLM — OpenAI, Claude, Gemini & more. Open-source alternative to Claude Agent SDK.

★ 7 on GitHub

CommercialOpenAI AgentKit

OpenAI

Toolkit for designing, deploying, and evaluating agents: Agent Builder, ChatKit, Connector Registry, Evals

Included with standard OpenAI API model pricing (Agent Builder and Evals suns…

Open sourceOpenAI Agents SDKA lightweight, powerful framework for multi-agent workflows

★ 30,600 on GitHub · +11 today

Open source + paid cloudOpenAI Codex

OpenAI

Coding agent in ChatGPT, the Codex IDE extension, and the Codex CLI

★ 134,668 on GitHub

Open sourceOpenCodeThe open source coding agent.

★ 225,789 on GitHub · +87 today

Open sourceno commits in 131 daysOpenFangOpen-source Agent Operating System

★ 18,244 on GitHub · +1 today

Open sourceOpenHands🙌 OpenHands: AI-Driven Development

★ 93,108 on GitHub · +38 today

Open sourceno commits in 184 daysPromptifyPromptify is an agentic service that helps in-place transformation of user query into well-structured prompt for chatbots like Chat-Gpt,…

★ 1 on GitHub

CommercialReplit Agent

Replit

In-browser AI software engineer for building apps, with Design and Chat surfaces

Core $20/mo ($18/mo billed annually), Pro $100/mo ($90/mo annually), Enterpri…

CommercialSalesforce Agentforce

Salesforce

AI agent platform on the Salesforce Platform, with Atlas Reasoning Engine and Agentforce 360

Free Salesforce Foundations tier; Flex Credits $500 per 100k credits; Convers…

CommercialServiceNow AI Agents

ServiceNow

AI agents on the ServiceNow AI Platform, built with AI Agent Studio or from prebuilt libraries
CommercialSierraConversational AI agent platform for customer experience, across chat, SMS, email, voice, and ChatGPTOpen sourceSmolAgents🤗 smolagents: a barebones library for agents that think in code.

★ 30,295 on GitHub · +6 today

Open sourceStrands Agents

AWS

Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.

★ 9,119 on GitHub

Open sourceVercel AI SDKThe AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered application…

★ 27,855 on GitHub · +12 today

CommercialWindsurf (Devin Desktop)

Cognition

VS Code-based IDE and agent command center for local and cloud agents; Windsurf has been renamed Devin Desktop

Pro $20/mo, Max $200/mo, Teams $80/mo plus $40/mo per full dev seat, Enterpri…

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