Free and open first
Best Tool Agents in 2026
Tool agents help automate work through a web app, API, desktop system or a self-hosted setup. This list is for people comparing software before paying or deciding whether they need code they can read and change.
- 26 apps
- Research read 7 Oct 2026
- How the order is worked out
- 1
- 2
Browser Use
by Browser Use, Inc.Free plan Open source APILinuxMac+3Choose Browser Use if you need hosted or self-hosted browser task execution with persistent sessions, recordings, and broad automation integrations.
- 3
Dify
Free plan Open source APIExtensionLinux+4Dify brings workflow building, knowledge retrieval, model connections, and several publishing options into one platform.
- 4
Aside
Free plan APIMacWindowsChoose Aside if you want an AI browser that can work across logged-in sites and computer files, with editable on-device memory and credential autofill.
- 5
Devin
Free plan APILinuxMac+2Devin combines coding assistance with an agent that can carry work toward a merge-ready pull request. Review plan limits and usage allowances when choosing a tier.
- 6
Flowise
Free plan APILinuxMac+3Flowise offers visual workflow construction, integrations, and deployment options, but its wind-down is a central consideration.
- 7
Dust
Free plan APIExtensionWebDust combines agent creation, company connectors, collaboration, and scheduled workflows, with a free tier and paid annual-billed plans.
- 8
- 9
Microsoft Copilot
by Microsoft CopilotFree plan WebWindowsMac+2Copilot offers a free entry point and paid Microsoft 365 plans with different levels of AI usage and bundled apps. Compare the plan-specific usage, storage, and family access terms before subscribing.
- 10
StackAI
Free plan APIExtensionSelf-hosted+1Choose StackAI if you want a visual way to build AI workflows for back-office processes, with multiple export formats, integrations and deployment choices.
- 11
Tandem Browser
Free plan APILinuxMac+1Tandem combines a daily-use browser with tools for connecting and managing AI agents. Its developer-preview status and best-effort Linux support are worth considering before adopting it.
- 12
- 13
Relevance AI
Free plan WebRelevance AI offers workflow-building tools, model access, integrations, and security controls, with plan limits varying by tier.
- 14
- 15
augLab
Free trial APIWebaugLab combines no-code agent building, workflow automation, broad model access, and business integrations. Its paid plans and usage limits should be reviewed against your expected runs and team size.
- 16
- 17
- 18
- 19
UiPath Agentic Automation
Free plan WebUiPath Agentic Automation combines agent-building tools with automation plans ranging from free options to enterprise offerings.
- 20
- 21
FlowSentric
Free plan Web - 22
- 23
Sierra
Paid WebSierra combines agent building, multi-channel support, integrations, and conversation analytics for customer experience teams.
- 24
Aisera AI Service Desk
Paid Web - 25
IBM watsonx Orchestrate
Paid Web
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
Compare the free plan, paid starting price, deployment options, model choice, built-in connectors, included runs, API access, workflow builder and audit logs. Check free-trial limits, and review the open-source licence when code access matters.
Questions
Do Tool Agents have free plans?
A free plan is offered by tools on this list. Check the limits and included features for the tool you are considering.
Can I try a Tool Agent before paying?
A free trial is offered by tools on this list. Trial length, limits and included features can differ, so check the individual terms.
Which deployment options are available?
Tools on this list run on web, API, macOS, Windows, self-hosted or Linux setups. Check the tool's listing for its supported option.
Can I use open-source Tool Agents?
Open-source code is offered by tools on this list. Review the licence if you plan to inspect or modify the code.
What pricing examples are listed?
Examples include Browser Use from $0.02, Devin from $20 per user per month, Flowise from $35 per month and Dify from $59 per month. Some tools show pricing on request.