Fleet

Open source device management, patching, and vulnerability management for every OS

Data verified Oct 3, 2026

Pundit
Score

#8 Trending in CybersecurityAlternatives

Editorial Verdict

AI-researched, not hands-on tested

Fleet is the genuine open source alternative to closed MDM platforms like IBM MaaS360 or Microsoft Intune -- self-hostable, auditable, and API/infrastructure-as-code-first rather than GUI-only. It fits engineering-led IT teams comfortable running their own infrastructure (or paying for Fleet's managed hosting) in exchange for not being locked into a vendor's roadmap or pricing. It supports fewer platforms out of the box for some enterprise-specific compliance workflows than long-established players, so teams with heavy regulatory/compliance reporting needs should verify Fleet covers their specific requirements before switching.

Reviewed by AIToolPundit Editorial Team · last verified September 2026

About Fleet

Fleet is an open source device management (MDM) platform covering macOS, Linux, Windows, iOS, and Android from a single console, built on the open source osquery project. It can be self-hosted for full control or run as a Fleet-managed cloud instance, with the same feature set either way -- a genuine open-core alternative to closed enterprise MDM vendors. It's aimed at IT and security teams, especially engineering-heavy organizations, who want infrastructure-as-code style device management (API and config-as-code, not just a GUI) and the option to audit or self-host the platform rather than depend entirely on a vendor. Fleet has raised $52.9M in total disclosed funding (Series B, May 2025) and has around 89 employees (Tracxn, verified 2026-10-03).

Screenshots

Commonly Cited Strengths & Limitations

Strengths

Genuinely free, open-source tier covers device inventory, reports, policies, and file integrity monitoring, not just a crippled trial
One of few MDM tools with real first-class Linux support alongside macOS/Windows/iOS/Android
Self-hosted and managed-cloud deployment options ship the same feature set, avoiding a cloud-only lock-in

Limitations

MDM migration, zero-touch setup, application deployment, and vulnerability scoring are Premium-only ($7/host/mo), not on Free
Multi-tenancy and private update registry require the Custom/Enterprise tier, gated behind a sales conversation

Details

Pricing Model: Freemium
Starting Price: Free
Founded: 2020
Team Size: 51-200
Headquarters: San Francisco, California, US
Category: Cybersecurity

Frequently Asked Questions

How much does Fleet cost?

Fleet starts at Free (Freemium).

Does Fleet have an API?

Yes, Fleet provides an API for developers.

Is Fleet open source?

Yes, Fleet is open source.

Is Fleet cloud-based or self-hosted?

Fleet is offered as a cloud-based (SaaS) deployment.

What are the downsides of Fleet?

MDM migration, zero-touch setup, application deployment, and vulnerability scoring are Premium-only ($7/host/mo), not on Free Also, Multi-tenancy and private update registry require the Custom/Enterprise tier, gated behind a sales conversation

What is the best alternative to Fleet?

1Password is the closest alternative to Fleet, followed by Bitwarden and LastPass.

How does Fleet compare to 1Password?

Fleet and 1Password are both used for cybersecurity -- specifically cybersecurity tools. See the full side-by-side comparison for pricing and feature differences.