Flox
Flox: A declarative environment manager with lockfiles, services, sharing, and container export. Ranked #3 of 26 in Development Environment Management Tools by our editors (8.9/10); pricing: Free plan; best for managed, shareable Nix-based environments.
At a glance
- Editor score8.9 / 10
- PricingFree plan
- Best forManaged, shareable Nix-based environments
- Free planYes
- Founded2021 · United States
- Facts checked20 Sep 2026
Where it wins
- Declarative manifests and hash-pinned lockfiles support reproducibility.
- FloxHub adds sharing, versioning, and rollback for environments.
- Manages runtimes, shell configuration, services, and OCI container exports.
Where it doesn't
- Personal limits private FloxHub environments to three.
- Personal limits private package publishing to five packages.
- Windows support is provided through WSL2 rather than a native installation.
Our verdict on Flox
Flox is an environment manager for developers and platform teams that need repeatable project setups across Linux, macOS, and Windows. Users can define packages, language runtimes, variables, shell hooks, aliases, PATH configuration, services, and build steps in declarative environments. Flox resolves those definitions into hash-pinned lockfiles, while FloxHub supports sharing, versioning, and rollback. The free Personal plan includes the Flox virtual environment manager CLI, access to the Flox Catalog, unlimited public FloxHub environments, three private FloxHub environments, five private packages, and community support through Slack or Discourse.
Pricing and collaboration features scale by plan. Personal is free and suits individual developers working with public environments or a small set of private assets. Team costs $20 per seat per month and adds team catalog access, unlimited package publishing, unlimited team FloxHub environments, platform support, and paid consulting with Flox packaging experts. Enterprise provides custom deployment options, a custom base catalog, a software policy engine, comprehensive packaging support, and paid consulting with Nix packaging experts. The plan structure makes Team the practical choice for organizations that need shared publishing and support, while Enterprise targets teams with governance and deployment requirements.
Flox is broader than a basic dependency file: it combines runtime management, shell activation, environment layering and switching, service lifecycle management, hosted sharing, and OCI container image export. That range fits platform teams standardizing development environments and projects that need configuration as code across supported systems. Windows support runs through WSL2, and the Personal plan's private limits may constrain teams managing several private environments or packages. Choose Flox for declarative, shareable Nix-based environments with team controls; consider another tool if native Windows installation or a simpler, narrower workflow is the priority.
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Flox pricing
Flox fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Supported operating systems | Not verified |
| Runtime management | Yes |
| Dependency locking | Yes |
| Configuration as code | Yes |
| Shell integration | Yes |
| Container support | Yes |
| Deployment | Cloud, Self-hosted |
| Platforms | Web, Linux, macOS, Windows |
| Compliance & security | SOC 2, ISO 27001, GDPR, SSO/SAML |
| Support | Community, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan (source) |
| Website | flox.dev |
| Facts checked | 20 Sep 2026 |
Alternatives to Flox
- DevPodA flexible open-source client for reproducible workspaces across local and cloud backends.9.4
- devenvA free, open-source choice for locked, service-aware development environments.9.1
- NixA free, open-source choice for reproducible environments and precise rollback control.8.8
Flox vs the competition
Compare Flox with any tool side by side →
Also Ranked In
Flox is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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