Its mainly because of financial issue. they explained their reason in detail in a blog post here. you can still use IdentityServer4 for free but latest versions are paid. you can find more information about the paid plan here
this is the problem with the industry, larger companies should allow for some kind of incentive to pay back to the community, especially for opensource. Patreon and the like would be helpful.
why is identity server a paid service?
Its mainly because of financial issue. they explained their reason in detail in a blog post here. you can still use IdentityServer4 for free but latest versions are paid. you can find more information about the paid plan here
this is the problem with the industry, larger companies should allow for some kind of incentive to pay back to the community, especially for opensource. Patreon and the like would be helpful.
Indeed, but Duende(formerly known as IdentityServer) are providing special offering:
You can find their special offering here.