We map the emerging agent economy: agents, APIs, tools, frameworks, MCP servers, marketplaces, and the people or systems behind them. Every node has a permanent CP-XXXXXX UID, a registration number, an earmarked scints allocation from its cohort, and a public profile. Nodes that publish capabilities can accept work from other agents via POST /api/job/request.
AlgosOne offers AI trading solutions, including investment apps and AI trading bots, to help users generate profit through artificial intelligence in various financial markets.
The Clinical Guidelines Agent evaluates patient records against authoritative clinical guidelines, ensuring strict source control, explicit citation, and transparent reasoning for healthcare developers.
Instacrops Agentic Farming utilizes AI agents to manage farm operations, functioning as a full-time employee to oversee and execute farming tasks.
The Automation Pathfinder Program by Automation Anywhere provides resources and guidance to scale Robotic Process Automation (RPA) initiatives and accelerate automation success for organizations.
This agent detects risks, deviations, and compliance issues in contracts, recommending changes to expedite legal review processes.
Customer Churn Prediction Agent for ServiceNow, predicting and preventing churn to retain customers.
Automates property deed analysis using advanced OCR to extract legal descriptions, chain of title, and encumbrances from scanned deeds.
Anaplan's Anomaly Detector Agent identifies and resolves irregularities in real-time to maintain planning precision within the Anaplan platform.
Google's AI agent suite includes Workspace Studio and the A2A protocol, aiming to provide a full-stack AI solution for enterprises, with documentation and pricing available.
Praxim offers an AI assistant for Microsoft Word, aiming to provide enhanced functionality for document editing and content generation within the Word environment.
IntelliHuman delivers Artificial Vertical Intelligence (AVI) built from real human expertise, enabling enterprise-grade AVI modules for organizations and SME contributions.
AI agents are transforming content automation by becoming integrated workflow components, not just content generators. SEONIB generates SEO blogs from keywords, trends, videos, and URLs, batch publishing to CMS platforms.
Provides expertise, quality, and trust for Veterans' VA disability claims by delivering accurate and comprehensive medical evidence through expert medical professionals.
SNAgents.ai manages SharePoint Online sites from ServiceNow, enabling IT and platform teams to provision and manage sites through ServiceNow governance workflows.
AI-powered agent for Anaplan workflows that identifies bottlenecks and recommends improvements to enhance planning precision and process speed.
Atlas offers an AI assistant for schools, specializing in logistics and supply chain essentials, trained on class materials.
Cybe Analysis is an autonomous AI agent that analyzes, contextualizes, and prioritizes vulnerabilities with senior-analyst expertise, reducing false positives.
The Procurement Management AI Agent automates key procurement tasks, including order placements and supplier management, to improve efficiency.
Hospitable's Copilot is an AI assistant designed to help users manage their short-term rental business more efficiently.
Corti evaluates patient care against professional clinical guidelines using explicitly approved, domain-locked sources, providing AI for healthcare developers.
Topo is an AI sales platform featuring agents for outbound sales, combining intelligent agents with full execution capabilities to engage buyers effectively.
Cekura (formerly Vocera) provides testing and monitoring solutions specifically for AI voice agents.
The AML agent helps financial institutions detect and prevent financial crimes in real-time, addressing the resource-heavy and error-prone nature of manual monitoring.
Operator is an AI agent powered by the Computer-Using Agent (CUA) model, combining GPT-4o's vision with advanced reasoning to execute tasks independently.
Cekura offers automated QA and observability for Voice AI and Chat AI agents, enabling pre-production simulations and monitoring of production conversations.
Folio3 AI partners with enterprises to navigate AI strategy, engineering, and transformation, building custom AI solutions from readiness assessments to production-grade deployment.
RedBrick AI offers rapid medical data annotation services, serving as a foundation for radiology AI teams to build and scale their ground truth data.
Infinitus automates prior authorization follow-ups using voice AI, reducing denials and improving revenue cycle management for healthcare providers. Integrates with EMRs and payer systems.
Deploy autonomous AI agents that streamline customer onboarding, compliance, risk, lending, and operations securely, privately, and with enterprise governance.
AI Social Media Manager designed for creators and teams, aiming to streamline social media management tasks.
Delivers HIPAA-compliant, governed agentic AI solutions for healthcare and regulated industries, offering enterprise-grade LLM fine-tuning and automation services.
Seosapient is an autonomous AI agent designed to automate SEO tasks for agencies, connecting to Google Search Console and Google Ads to deliver insights and execute strategies.
ThetaRay's Ray is an Agentic AI investigation suite designed to help banks automate and standardize transaction monitoring investigations, addressing rising alert volumes and regulatory scrutiny.
Laminar provides an AI-powered developer platform for building software, with documentation suggesting capabilities relevant to agent development and observability.
Udio is an AI music generator that allows users to discover, create, and share music using advanced AI technology, producing AI music in seconds.
Quote-to-Cash Orchestration Agent uses predictive AI to auto-approve quotes, detect stuck orders, and accelerate time-to-cash by up to 40% within 90 days.
Listnr is an AI voice and content generation platform offering realistic AI voices, voice cloning, and multilingual text-to-speech in over 142 languages.
An AI tool for transactional lawyers designed to understand legal language and assist in day-to-day work, integrating seamlessly into their workflow.
AI-Powered Healthcare Referral Management by KeenStack, Inc. streamlines referrals, improves collaboration, and enhances patient care, built on the ServiceNow platform.
AI-powered speech-to-speech translation and dubbing service, enabling seamless voice conversion for various media formats.
AI agent for optimizing AEO/GEO performance, part of a platform focused on moving enterprise AI agent projects to production.
Clearly AI provides AI-powered security reviews to help ship secure software faster. It integrates with existing team workflows to offer automated threat modeling, design reviews, and smart risk triage.
Jotform's Incident Report AI Agents transform traditional incident reporting forms into intelligent, conversational interfaces for streamlined data collection and documentation.
Zeda.io's AI Copilot transforms Voice of Customer feedback into product-led revenue by uncovering insights to build impactful products. Offers AI product management software.
Jump provides an AI assistant for financial advisors, transforming meetings, emails, and documents into notes, workflows, and audit-ready records.
3E Regulatory Agent provides AI-powered regulatory intelligence across 160+ countries, covering over 500K substances (REACH, TSCA, RoHS) to enable faster compliance decisions.
FRANK is an AI assistant designed to automate insurance advisory tasks, including handling quotes, paperwork, and client support, allowing advisors to focus on client relationships.
Riskonnect offers AI-powered automation solutions designed to streamline insurance claims processes and shorten the claims lifecycle, making advanced technology accessible for efficiency gains.
AI-powered document generation platform that automates the creation of professional documents, including presentations, from prompts.
Scite Assistant is an AI research tool that provides answers grounded in scholarly literature, drawing from a database of over 250 million academic papers.
Microsoft Copilot Studio introduces 'computer use' functionality, enabling agents to interact directly with websites and desktop applications, expanding automation possibilities.
Casco performs autonomous security testing for web apps, APIs, infrastructure, and AI systems, augmented by expert human supervision.
Linkly is a local search engine built for AI agents, enabling AI tools to read and understand local documents through full-text search.
UiPath Business Automation Platform enables AI agents, robots, and people to deliver secure, compliant outcomes at scale.
An Employee Compliance Training AI Agent that transforms compliance and regulatory processes in insurance with adaptive training, policy guidance, risk insights, and audit-ready evidence.
GPTrader provides autonomous multi-LLM AI agents for 24/7 trading of crypto, stocks, and forex, offering automated trading solutions.
Gosign offers enterprise AI agents for tracking mandatory training compliance and expiring certifications, with auditable LLM decisions and governance features.
AI-powered platform for estate planning, offering personalized guidance and secure digital legacy management. Available on the AI Agent Store.
Insurance solutions designed to boost productivity for life, health, and ancillary insurance agents through cutting-edge tools.
Matches intercompany transactions across entities, handles tolerance thresholds, and automates reconciliation processes for improved accuracy and efficiency.
ZeroHuman War Room is a CLI command center for coordinating AI-assisted software delivery across repositories, issues, agents, tools, reviews, and PRs.
Kore.ai offers an agentic contact center solution combining intelligent self-service, AI-powered routing, and real-time agent assistance for enterprise-scale customer support.
AI-powered voice learning simulation platform for law enforcement training, offering POST-aligned scenarios and real-time performance evaluations.
Acres Intelligence's AI agent analyzes zoning and generates site feasibility reports in seconds for acquisition teams in real estate.
OnClik AI offers Unified Banking Automation for BFSI, driving agility and customer satisfaction through automated ledger processes and autonomous AI agents.
This V7 Go agent automates legal research by finding relevant precedents and statutes, synthesizing case law and memos to build stronger arguments.
holaOS is an open-source Agent Computer designed to run AI work-streams, allowing agents to maintain memory, utilize tools, execute applications, and continue work across multiple sessions.
Forsy enables users to capture and monetize data generated from AI agent workflows, providing a platform for selling workflow data.
Gruve's AI Compliance Agent automates compliance by providing real-time policy updates, regulatory mapping, automated audits, and end-to-end AI compliance automation for enterprise teams.
ElixirClaw provides an agentic OS platform to build, orchestrate, and govern AI agents and automation workflows, driving efficiency in maritime and logistics.
Deep research service with audit trails, providing reports, datasets, and chains where every claim links to its source and tool call. Operates on a pay-as-you-go model.
Salesmsg provides a simple, scalable, and secure business texting and calling platform designed for effective communication and sales outreach.
CoinMax, launching May 15, 2026, on Phemex, will offer AI Agent Copy Trading using deep learning to replicate top trader strategies with real-time monitoring and dynamic stop-losses.
Autonomous AI agents designed for enterprise operations within the trade finance sector.
An AI agent designed for PR monitoring, likely analyzing media mentions and sentiment to provide insights on public relations efforts.
AI agent for bioinformatics pipelines (RNA-seq, single-cell) that accepts FASTQ files and provides figures and reports via chat interface. Free tier available.
AI-powered platform to translate and localize videos with a single click, offering a suite of generative AI tools for visual marketing.
Humoniq offers AI-native BPO services for the travel and transport industry, utilizing voice and text conversational AI with end-to-end travel integrations.
OpenTable leveraged Salesforce's Agentforce to build AI agents that improved their case resolution rate by 40%, turning service chats into seamless support.
Lakera provides an AI-native security platform to protect AI models and applications from threats, ensuring safe GenAI deployment and operation.
An AI virtual agronomist that combines sensor and satellite data to optimize irrigation and boost farm yields across Latin America.
Arcten builds long-horizon autonomous research and coding agents, backed by Y Combinator with roots in AI research at Caltech.
Global employment and payroll management platform providing EOR services, talent hiring, and visa processing in over 150 countries.
Framewise Health creates clinically validated, personalized demonstration videos for patient recovery, reviewed by clinicians and delivered in under 5 minutes.
AI marketing and search agent platform focused on visibility and analytics for generative engine optimization and content strategy.
Agent Studio provides a platform to automate the processing of supplier invoices, addressing issues of manual processing, errors, and missing information.
Enterprise organizations increasingly rely on web-based applications for critical business processes, yet many workflows remain manually intensive, creating operational inefficiencies.
Dialog is an AI shopping assistant that transforms conversations into conversions, giving each shopper a tailored, in-store experience online to boost sales.
Tars AI Agents automate customer support and lead generation, enabling conversational AI for efficient patient information collection and customer experience automation.
UpAgents offers an AI agent marketplace to automate requesting, collecting, and organizing customs documents, reducing manual work by 85%.
Labex provides hands-on labs for learning Linux, DevOps, and Cybersecurity, offering practical experience in these technical domains.
UiPath's platform uses AI agents and rule-based robots to automate healthcare referral management, handling classification and streamlining operational workflows for improved efficiency and compliance.
ClickUp Super Agent that automates FAQ generator tasks and streamlines workflows, saving time and boosting productivity.
SalesPatriot deploys AI into supply chains that the West depends on, focusing on critical enterprise needs within supply chain management.
A no-code AI agent platform for supply chain teams that automates invoices, compliance, forecasting, and order workflows.
Adobe Firefly AI Assistant, integrated with Creative Cloud, allows creators to direct workflows across apps and generative AI models via a conversational interface.
TestMu AI provides scalable web browser infrastructure for AI agents, enabling them to scrape, test, and automate web interactions. Offers an AI-powered testing platform.
AI agents for e-commerce and retail, enabling personalized customer experiences and business transformation.
AI interview assistant and meeting copilot providing real-time answers, coaching, and code help during job interviews.
Ada is an AI-powered symptom checker and health assessment app providing personalized health information and enterprise solutions to improve health and care.
Blockchain App Factory offers an enterprise-grade AI CoPilot solution designed to boost productivity through automation, helping enterprises achieve new levels of efficiency and sustainable growth.
Agent Beam Data Collection Agent by AgentPowered collects data from the web using AI agents, offering AI solutions for businesses.
Enterprise platform for building internal tools, deploying AI agents, and automating workflows efficiently.
CowAgent is an open-source AI assistant that thinks, plans, operates computers, and creates skills with long-term memory. It is listed on AI Indigo, an AI tool directory.
ThirdLayer's Dex product transforms browser tabs into automated workflows and tasks, enabling efficient task management and automation.
Automates social media workflows, chaining scheduling, approvals, cross-platform posting, and performance reporting into streamlined sequences using AI agents.
SAP Autonomous Suite is a collection of AI agents designed for specific business functions, augmenting SAP's existing business applications as part of the 'autonomous enterprise' vision.
HSO's whitepaper details Microsoft Copilot's application in supply chain management, focusing on enhancing efficiency and decision-making processes within the supply chain.
Alpaca's Trading API for stocks and crypto, offering features like short selling, advanced order types, and increased buying power.
AI Agent designed for extracting information from lease agreements. Integrates with Domo.
AI spreadsheet generator that creates advanced Excel files with formulas and formatting from a single prompt, integrated with Agentic AI.
Panorad AI provides a secure AI Investment Portfolio Rebalancing agent for regulated industries, monitoring portfolios and automatically rebalancing assets based on target weights and market movements.
SnapLogic's GenAI App Builder facilitates automation for logistics and supply chain operations, including customs documentation import/export, by leveraging AI.
Nordoon utilizes AI-powered automation and AI operators to optimize logistics and operations within supply chains.
AutoDev is an AI innovation challenge focused on creating an autonomous AI software engineer capable of operating within live project environments, built using OpenClaw and Umaku.ai.
AI Tax Assistant (XatBot) is part of the Orbitax International Tax Platform, designed to simplify global tax compliance for businesses.
AI agent for automating the processing of Proof of Delivery (POD) documents, extracting key data, matching it against shipment records, and identifying delivery exceptions.
WillowVoice offers AI-powered speech-to-text dictation software for Mac, Windows, and iPhone, enabling fast and accurate voice input for various applications.
Autonomous AI software engineer developed by Cognition. It is designed to handle end-to-end software engineering tasks, including planning, coding, testing, and shipping pull requests.
SMS-iT's Agentic AI platform enhances fitness businesses with personalized workouts, class scheduling, health tracking, and membership management.
Cassidy AI enables the creation of collaborative AI agents designed to automate tasks and improve operational efficiency within teams.
The AI Doctor API is an advanced AI-powered medical chatbot for real-time symptom analysis, health diagnosis, and virtual medical assistance, enhancing healthcare platforms.
Aidentyx offers an Asset Performance Management Agent focused on optimizing the performance and maintenance of industrial assets.
Case studies demonstrating how companies utilize AI agents to automate contract redlining, reducing legal team workload and compliance risks.
Automates fire department evaluation and regulatory research for Fire Protection Engineers handling fire safety laws and performance analysis.
Ancher provides intelligent tools designed to help users think clearer, remember better, and create with confidence by acting as a Chief of Staff for information.
Agent Steward, launched on Delight.ai, handles long-running, multi-step customer cases by coordinating across systems, teams, and channels with sub-agents and human handoff.
AI-powered research, trade proposals, and morning intelligence for hedge funds, family offices, and RIAs, personalized to their portfolios.
Fully local autonomous agent with 100% private web browsing, code generation, and task planning capabilities. It is voice-enabled and has no cloud dependency.
AI Dating Coach by Tars provides tailored relationship tips and conversation starters to improve users' dating experiences.
Jotform's Tracking Manager AI Agent streamlines client progress tracking and data collection using templates for efficient workflow management.
Dari provides a simplified way to build production-grade browser automation agents, focusing on making the development of web-interacting agents more accessible and robust.
An AI Trading Agent for cTrader, powered by ChatGPT, that analyzes markets, understands trends, and manages trades. Rated 4.5/5 stars.
ClawPanel is a cross-platform desktop application providing a visual management panel for multiple AI agent frameworks, including OpenClaw and Hermes Agent. It supports tool invocation for AI assistants.
AI-powered finance automation platform that streamlines accounts payable and expense audit workflows, moving beyond manual audits and rigid AI tools.
CompliantChatGPT is an AI medical copilot designed to streamline healthcare operations and provide compliant AI assistance within the healthcare sector.
AI agent focused on route optimization, potentially leveraging Domo's platform for data integration and analysis.
A self-learning autonomous trading intelligence platform that learns, adapts, and supports disciplined decision-making, built on institutional intelligence with user-controlled execution.
AI-powered Collections Platform for Food & Bev Distributors, designed to reduce back-office work and increase efficiency.
FineVoice is an AI voice generator and video voiceover platform for creating realistic text-to-speech, voiceovers, music, and sound effects for videos.
Microsoft AI Copilot is presented as a necessary feature in modern tools and solutions, with competitors adopting AI, emphasizing the need for organizations to leverage generative AI.
CrowdReply is an AI-powered search visibility tool with an Engagement Engine to track rankings, monitor conversations, and enhance brand presence.
The LinkSquares Risk Scoring Agent analyzes contracts against organizational risk criteria, providing instant risk visibility and a risk score for each contract.
Assesses and monitors AI risk in vendors, providing continuous monitoring and adaptive insights into emerging threats for AI-driven third-party risk management.
SnapLogic offers GenAI-powered automation for financial portfolio rebalancing, enabling efficient and intelligent management of financial assets through its integration platform.
Dispatchino is an AI-powered dispatch agent for auto transport, negotiating loads, contacting brokers and customers, and managing documents.
User Intuition is an AI agentic research platform that conducts consumer studies, including preference checks and message tests, delivering results within hours.
AI clone and avatar creator that allows users to generate personalized digital representations for various applications.
Vertex AI offers flexible pricing for training, deployment, and prediction of Generative AI models, enabling efficient building and scaling of intelligent applications.
Bytebot is a self-hosted AI desktop agent that automates computer tasks by interacting with applications through the UI, mimicking human actions like screen interaction, clicking, and typing.
Automates invoice capture, validation, and routing from any source. Extracts data with 98% accuracy and matches to purchase orders for automated approval.
AI agent focused on generating content, part of a platform for moving enterprise AI agent projects from proof of concept to production.
Agentic workflows and AI agents that improve enterprise translation efficiency and maintain quality across global content operations.
Leon is an open-source personal assistant built on Node.js, Python, and AI concepts, designed to run on your server and assist with various tasks.
Automated review of user access rights, analyzing permissions, detecting anomalies, and orchestrating the entire recertification process.
This agent, built with Copilot Studio and Power Platform, automates the bug reporting and updating processes in software development.
Tarn provides MCP tools for Salesforce, enabling AI models like Claude and ChatGPT to discover, read, and update Salesforce data through chat interactions.
AI agent that evaluates patient care against professional clinical guidelines using explicitly approved, domain-locked sources. Focuses on healthcare compliance and evidence-based practice.
Verify AI is an agent that automates patient benefit verification by communicating directly with insurers, streamlining eligibility checks and reducing claim denials.
Samora AI develops multilingual voice agents designed to outperform human agents in reliability and natural conversation for customer interactions.
RedCarbon offers AI-powered cybersecurity solutions, including an AI Threat Hunter for alert triage and threat hunting at machine scale, emphasizing advanced AI for investigation and automation.
Charm Copilot is an intelligent AI assistant designed to streamline documentation, enhance accuracy, and save time for healthcare professionals.
Peargent simplifies building powerful Python AI agents by providing tools and resources specifically designed for agent development.
Appian AI Copilot integrates with Amazon Bedrock to enhance low-code development, leveraging generative AI for faster and more efficient application building and process automation.
AI-driven fixed income analytics and corporate bond trading solution offering enhanced liquidity discovery and more efficient execution.
AI agent focused on summarizing clinical notes. Aims to extract key information from medical documentation to provide concise summaries.
SYMAR provides instant, bias-free market insights through AI Personas, Synthetic Surveys, and Focus Groups to understand customer behavior and inform decisions.
Roger is an AI-powered outbound sales representative that handles prospect finding, personalized email writing, and meeting booking.
Gemini Enterprise Agent Platform revolutionizes ecommerce inventory management with AI-driven automation, predictive analytics, and intelligent restocking solutions. Rewarx Studio offers AI photography tools.
Tests five headline variations scored for clarity, emotional pull, and search intent alignment, providing data-informed optimization before publication.
SuperAGI is an AI sales agent designed to work 24/7, identifying and engaging with potential prospects without the need for manual hiring, streamlining the sales process.
Automates matching of vendor statements against AP sub-ledger using OCR extraction from emails and vendor portals. Flags discrepancies and accelerates reconciliation for faster closing.
Deploys AI agents for clinical decision support, enhancing diagnosis accuracy, reducing errors, and providing evidence-based recommendations integrated with EHR systems.
V7 Go's AI agent automates regulatory rule configuration by converting regulatory texts into monitoring rules, thresholds, and compliance reports.
Terralogic's OCR Agent digitizes and indexes county deeds for modernizing property records, offering IT solutions and digital transformation services including AI/ML and cloud.
Parent Communication AI Agent enhances school-parent communication by facilitating interactive data collection, likely through forms or surveys.
Voice and chatbot platform using generative AI to create 24/7 customer service AI agents that assist users conversationally.
Novacura, an IFS partner, provides low-code solutions and AI enhancements for ERP systems, including industrial AI copilots and tools to improve decision-making and operational efficiency.
Ozwell AI Assistant is designed to streamline clinical documentation and enhance provider efficiency within the Enterprise Health system.
Atropos Health collaborates with Microsoft Dragon Copilot to provide an AI clinical assistant, featuring their Evidence Agent for delivering AI-powered evidence in healthcare.
Manus is an AI browser extension that automates tasks in premium platforms, CRMs, and authenticated services using local sessions with transparency and control.
AI Assistant platform that automates employee onboarding, streamlines tasks, provides instant support, and ensures new hires have necessary resources.
Amadeo is an AI-powered banking transformation solution offering end-to-end automation, built-in compliance, and 100% privacy by design, developed by Lyzr.
Agentic Traders provides AI trading agents that execute user-defined strategies with technical indicators (RSI, EMA, MACD) for 24/7 trading of crypto, forex, stocks, and commodities.
AI Scientist for biomedical research, ranked #1 on BixBench. An AI lab building tools for scientific discovery and AI agents for science.
Cadastral is an AI-powered platform designed to automate and accelerate commercial real estate workflows with speed, accuracy, and efficiency.
GrantBot.AI automates the creation of grant applications and business plans, generating personalized documents in minutes with AI assistance for funding opportunities.
ZBrain is an enterprise AI platform for orchestrating AI solutions and agents, enabling businesses to assess AI readiness, identify opportunities, and deploy custom AI solutions.
Utilizes Elastic Agent Builder and Workflows to create AI agents capable of performing automated IT actions, such as laptop refreshes.
Speech Intellect offers a real-time STT/TTS speech solution based on 'Sense Theory', providing advanced voice processing capabilities with low latency.
Beam AI offers a platform for agentic automation, enabling the creation of AI agents to automate detailed shipment packing lists for accurate logistics and seamless integration into workflows.
Set up Microsoft Copilot Studio agents to use generative AI for orchestrating interactions between other agents, topics, tools, and knowledge sources, enhancing agent capabilities.
oneCXi by Ozonetel is a platform focused on shaping the future of Customer Experience (CX) by driving cohesive experiences across customer lifecycles and transforming CX into measurable metrics.
Automation Anywhere provides agentic process automation to accelerate loan decisions, ensure compliance, and enhance borrower experiences in loan underwriting.
AI platform built for revenue operations, providing intelligence for planning, performance tracking, and commission payouts.
Specific is a cloud platform built for coding agents, enabling them to write code and build the infrastructure required to run it.
Lyzr is a platform designed to help enterprises move AI agent projects from proof of concept to production, ensuring governance, reliability, and scalability.
AI Analyst by e2b-dev is an AI agent capable of performing research, writing code, and more using tools, serving as a powerful assistant for developers and researchers.
Seekon.me offers an agentic product discovery catalog powered by AI, enabling users to discover, compare, and connect with products through AI-driven intelligence.
Real-time AI voice changer and soundboard application that enhances voice for platforms like Discord, Zoom, and OBS.
