Best Free AI Agent tools

Manage AI agent teams like human teams with responsibilities, numbers, commitments, and approvals across your business tools.

Oodle AI provides agent observability with fast trace search, S3-based storage, and out-of-the-box insights to detect silent failures in AI agents.

Disposable, network-restricted Linux VMs for AI coding agents — give each agent its own machine instead of yours.

Juggler is an open-source AI coding agent with a visual workbench that gives you inspectable tool calls, branching threads, and editable context for hands-on control over LLM actions on your codebase.

AgentKey is an AI-powered tool that generates and manages secure authentication keys and tokens for AI agents and APIs.

Osaurus is a private, local AI assistant for Mac that runs open models on-device, with optional cloud AI access and autonomous agents.

Skillscript is a declarative language and runtime for authoring agent workflows that are safe, reusable, and inspectable.

A forensic tool that reconstructs AI coding agent sessions from local logs to detect sensitive file reads and data exfiltration attempts.

Open-source AI voice agent that integrates with Asterisk/FreePBX for natural conversational IVR with cloud or local AI providers.

Open-source workspace to build, deploy, and orchestrate AI agents and workflows with visual and code tools.

Manage AI agent teams like human teams with responsibilities, numbers, commitments, and approvals across your business tools.

Agently builds a company brain across your team's tools and spins up autonomous agents to handle workflows, from drafting emails to managing projects.

Oodle AI provides agent observability with fast trace search, S3-based storage, and out-of-the-box insights to detect silent failures in AI agents.

Disposable, network-restricted Linux VMs for AI coding agents — give each agent its own machine instead of yours.

Juggler is an open-source AI coding agent with a visual workbench that gives you inspectable tool calls, branching threads, and editable context for hands-on control over LLM actions on your codebase.

AgentKey is an AI-powered tool that generates and manages secure authentication keys and tokens for AI agents and APIs.

Osaurus is a private, local AI assistant for Mac that runs open models on-device, with optional cloud AI access and autonomous agents.

Loomal is the payments layer for agentic commerce, letting you add a paywall to any API or store so AI agents can pay automatically in USDC.

Proxon is the management layer for your AI workforce, providing visibility, governance, cost attribution, and workflow propagation across the organization.

Skillscript is a declarative language and runtime for authoring agent workflows that are safe, reusable, and inspectable.

Miora is an agentic creative studio with memory that handles your entire creative pipeline from brief to delivery.

A forensic tool that reconstructs AI coding agent sessions from local logs to detect sensitive file reads and data exfiltration attempts.

Open-source AI voice agent that integrates with Asterisk/FreePBX for natural conversational IVR with cloud or local AI providers.

Open-source workspace to build, deploy, and orchestrate AI agents and workflows with visual and code tools.

Yasmine is an AI coworker that lives in Slack and performs real work like answering emails, tracking finances, running operations, and shipping code, using your own Claude subscription.

Mispher turns speech into clean text anywhere on macOS, then goes further with dictation cleanup, rewrite-in-place, translation, and an on-device agent that plans, uses tools, and answers.

Scarlett is an AI coworker that lives in Slack, connecting to over 3,000 tools to automate tasks, generate reports, and execute real work for your team.

Timbal is the end-to-end AI platform for enterprise teams to build, deploy, and scale production agents, workflows, and interfaces.

Acti is the world's first agentic keyboard that transforms any text field into an action layer, letting users type their intent and long-press to execute actions across apps.

Coasty is a self-correcting computer-use agent that automates software workflows by reading the live screen and interacting like a human, achieving 85.60% on the OSWorld benchmark.

Aura is an open-source intelligence layer for AI coding agents that unifies multiple agents, provides AST-level diffs, and verifies changes against goals.

A unified AI gateway providing access to 300+ leading models through one EU-hosted, GDPR-compliant API with an OpenAI SDK-compatible interface.

Open-source framework for building AI agents with flexible capabilities, tool integration, and community-driven development.

A stealth browser designed for AI agents to browse the internet seamlessly, overcoming restrictions that treat agents as second-class.

Kastra is an authorization layer for AI systems that checks every action against policy before it runs.

FableCut is an open-source browser video editor with a JSON timeline that AI agents can drive via MCP and REST APIs.

Abralo is a native desktop app for running multiple Claude Code agents simultaneously with a clean interface, token monitoring, and walk-away control.

Open Science is an open-source, model-agnostic AI workbench for scientific discovery with a coordinator agent, specialist sub-agents, and a reviewer, self-hosted for reproducibility.

Ogment is an AI coworker that lives in Slack, proactively automating repetitive tasks and workflows for your team.

ElevenAgents.ai is an AI platform offering agent-based solutions for task automation and productivity, though full details are currently unavailable.

Badge uses AI agents to collect anonymous peer reviews and build a Trust Score that helps professionals get hired faster with verified proof of work.

Deterministic context folding engine for long-running AI agent sessions. Reduces costs by keeping provider prompt caches hot and avoiding LLM summarization calls.

An open, deterministic evidence layer for enterprise AI agents that grounds every claim in traceable source records and gates actions behind approval.

AI search infrastructure designed for agents, delivering structured, secure, and high-quality data with smart intent routing.

Tamper-evident runtime records for AI agents: hash-chained audit trail that vendors cannot edit.

CLI for AI agents to read, edit, and comment on .docx files with full format fidelity.

Open-source AI coworker for desktop that indexes your work into a living knowledge graph and provides built-in surfaces for email, meetings, browsing, and coding.

Deploy and customize AI-powered voice and chat agents to automate customer support, sales, and operations across multiple channels.

Feyn lets you build and own custom AI models trained on your own data, turning expertise into a specialist that continuously improves.

CircleChat is a team chat platform where AI agents act as teammates to plan, execute, and verify tasks with human approval on risky actions.

TryCase gives your coding agent a disposable Linux desktop to run your app, test it like a user, and send back proof: screenshots, recordings, and logs.

DocsAlot turns scattered product knowledge into polished, agent-readable documentation and AI visibility audits for onboarding.

WorkBuddy is an AI agent that automates office tasks such as deep research, report generation, data analysis, and document creation using natural language instructions.

A Swift framework for building stateful, multi-agent AI workflows with type-safe tools, crash resilience, and native concurrency.

A self-hosted, framework-agnostic runtime for autonomous agents that records and replays every step for debugging and improvement.

Open-source security layer for AI agents enforcing RBAC, human approvals, and signed audit logs.

Terminai wraps your terminal to provide on-demand access to AI agents with read and approval-gated write access.

Macro combines email, chat, docs, tasks, calls, and CRM into one open-source app with shared AI memory.

Proactive AI revenue agent that works in Slack/Teams to detect stalled deals, draft emails, and manage CRM.

Banger Mail is a macOS-native email client that unifies multiple mailboxes, enables team collaboration through shared inboxes, and uses AI agents that draft and triage emails under human review.

Manage AI agent teams like human teams with responsibilities, numbers, commitments, and approvals across your business tools.

Agently builds a company brain across your team's tools and spins up autonomous agents to handle workflows, from drafting emails to managing projects.

Oodle AI provides agent observability with fast trace search, S3-based storage, and out-of-the-box insights to detect silent failures in AI agents.