Hangfire Pro is a proprietary software without an OSS license available. It consist of the following packages that provide additional features and don’t aim to replace packages or assemblies of the open-source version.

Hangfire.Pro
Hangfire.Pro.Redis
Hangfire.Pro.Redis.StrongName
Hangfire.Pro.PerformanceCounters

It includes:
Hangfire.Pro.Redis.2.5.1
Hangfire.Pro.Redis.2.5.1.Symbols
Hangfire.Pro.Redis.StrongName.2.5.1
Hangfire.Pro.Redis.StrongName.2.5.1.Symbols

Hangfire Pro is a proprietary software without an OSS license available. It consist of the following packages that provide additional features and don’t aim to replace packages or assemblies of the open-source version.

Hangfire.Pro
Hangfire.Pro.Redis
Hangfire.Pro.Redis.StrongName
Hangfire.Pro.PerformanceCounters

It includes:
Hangfire.Pro.2.1.2
Hangfire.Pro.PerformanceCounters.2.1.2
Hangfire.Pro.Redis.2.4.0
Hangfire.Pro.Redis.StrongName.2.4.0 (it's DEPRECATED use Hangfire.Pro.Redis instead)

New Package :
Hangfire Throttling 1.0.0-beta1

Hangfire Pro is a set of extension packages that boost the performance and simplify the maintenance of background job processing in large applications. Hangfire Pro packages are available under paid subscriptions. After purchase, you receive binaries and access to the private repository on GitHub.

Atomic Background Job Creation
Batches allow you to create a bunch of background jobs atomically. This means that if there was an exception during the creation of background jobs, none of them will be processed. Consider you want to send 1000 emails to your clients, and they really want to receive these emails. Here is the old way.

Hangfire Pro is a set of extension packages that boost the performance and simplify the maintenance of background job processing in large applications. Hangfire Pro packages are available under paid subscriptions. After purchase, you receive binaries and access to the private repository on GitHub.

It Contains:
Hangfire.Pro.2.1.1
Hangfire.Pro.PerformanceCounters.2.1.1
Hangfire.Pro.Redis.2.2.2
Hangfire.Pro.Redis.StrongName.2.2.2