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NFluent

● Identity checked

Developer Tools · Vendor site 2026-10-04

NFluent is an open source fluent assertion library for .NET tests that emphasizes readable Check.That syntax and detailed failure messages. It integrates with common test runners while staying independent from specific frameworks.

Updated 2026-10-04View sources
Official website
Category
Developer Tools
Free access
Free open source library distributed via NuGet and documented on the official site.
API access
Not confirmed

Is NFluent right for you?

A good fit for

.NET developers practicing TDD or BDD who want expressive assertions without boilerplate.

Before you choose

NFluent is a test helper library; the site does not offer hosted services or commercial support tiers.

.NET assertion library

NFluent improves test readability with fluent checks and clearer error output while remaining runner-agnostic for .NET projects.

What it can do

Features & capabilities

Unknown is different from unavailable. Each fact carries its own evidence.

CapabilityValueEvidenceChecked
Fluent checksHomepage showcases Check.That syntax for readable assertions in unit tests.Facts sourced2026-10-04
DistributionSite banner states NFluent is available on NuGet with links to GitHub.Facts sourced2026-10-04
Test runner compatibilityCopy notes you can keep using your favorite test runner alongside NFluent checks.Facts sourced2026-10-04

Understand the total cost

NFluent pricing & plans

Free

Free

Free open source library distributed via NuGet and documented on the official site.

Access
Free open source library distributed via NuGet and documented on the official site.
Explore pricing & history

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The practical questions

Frequently asked questions

What is NFluent used for?

NFluent is an open source fluent assertion library for .NET tests that emphasizes readable Check.That syntax and detailed failure messages. It integrates with common test runners while staying independent from specific frameworks.

Does NFluent have a free plan?

Free open source library distributed via NuGet and documented on the official site.. This record lists ongoing free access; check the plan limits before starting.

How much does NFluent cost?

No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.

Can I use NFluent through an API?

Not confirmed. API access and subscription access may have different terms; consult the linked sources.

What should I check before choosing it?

NFluent is a test helper library; the site does not offer hosted services or commercial support tiers.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Facts apply to the named version and check date. Send a sourced correction if something changed.