.NET OSS Projects When 'Free' Stops Working: Better to Re-license or Die?


.NET OSS Projects: Better to Re-license or Die?

Published on January 18, 2025 in .NET / Open Source

This week FluentAssertions, a popular open source library designed to make it easier to write assertions during unit testing, changed its license from Apache 2.0 to some commercial terms under the name of a new business entity, Xceed.

The net impact of this is that FluentAssertions now costs $129.95 per seat for commercial use for version 8.0 and later.

Naturally the .NET community was in uproar over this on /r/dotnet and in a few other places, like this comment from the “.NET Eventing Framework” thread which inspired “.NET Developers Begging for Ecosystem Destruction

.NET users complaining about independent OSS to Microsoft

In this post we’re going to unpack two things:

  1. Impact of the FluentAssertions change and
  2. Broader questions about what .NET users would prefer: “re-license or die?

Click here to read the full article.

Read more...

Aaronontheweb

I write about .NET, open source software, the Microsoft ecosystem, my adventures with startups, and outer space.

Read more from Aaronontheweb
Akka.Coordination.Azure package deleted by Microsoft

So Microsoft Deleted Some of Our Packages From NuGet.org Without Notice Published on July 11, 2025 in 7 minutes to read “Software supply chain management” is one of those terms that sounds like Venture Capital-funded vendor marketing bullshit right up until it isn’t. In 2016 the npm left-pad incident taught many of us in the software industry the importance of: The fragility of depending directly on central package management systems, such as npm or nuget.org, hence why artifact proxying...

Deploy with Docker Compose and GitHub Actions

Continuous Deployment of Docker Compose Applications Using GitHub Actions Published on April 23, 2025 in 12 minutes to read Intro Over the past year or so we’ve built out a decent-sized test lab environment for Akka.NET and I’ve also personally started a small homelab environment for creating some useful services for my family’s use. Both of these networks use the same components: Tailscale for secure networking and ssh access; docker compose for running infrastructure services such as...

Our trust SignService dying after 7 years of uninterrupted service

Signing NuGet Packages Using Azure DevOps and Workload Identity Federation Published on April 14, 2025 in 12 minutes to read Azure released a major update to some of their VM images last week and it’s caused a number of problems for me: mono support was removed from ubuntu-latest, which caused all of our FAKE v4.0 builds to no longer work for Akka.NET and several of our other mature projects; SignService, our workhorse for Authenticode signing all Petabridge NuGet packages for the past seven...