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

IronOCR is unique in its ability to automatically detect and read text from imperfectly scanned images and PDF documents. The AutoOCR Class provides the simplest (though not always fastest) way to extract text from images and documents - because it will automatically correct and sharpen low resolution scans, remove background noise, skew, distortion and perspective as well as enhancing resolution & contrast.

Flexible, reliable and mature, with a 14-year track record. Easily add efficient FTP and FTPS (FTP over SSL) file transfer capabilities to your .NET or ASP.NET apps. Backed by a responsive support and development team whose sole ambition is your complete satisfaction.

Works with all FTP server types, supports all major FTP operations
Efficient implementation of FTP and FTPS protocols
Built-in Zip/Unzip and strong encryption

Diafaan SMS Server full edition is a powerful SMS platform for 3G/GSM/CDMA modems, HTTP SMS services and SMPP accounts. This edition has no limits on the number of 3G/GSM modems, SMPP accounts or HTTP based SMS services. It is the perfect solution for projects where you need to apply multiple 3G/GSM modems. Diafaan SMS Server is an SMS gateway for Windows that makes it easy to send and receive SMS text messages from and to a web browser, web server, email, SQL database or C#/Visual Basic .NET script.

Although you may not always be notified about it, processes and applications sometimes connect to the Internet to send or receive data. Because of this, your computer can get hijacked or infected by malware, especially if you are not aware of the vulnerability and you do not take any measures to protect the system against unauthorized access.

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.

Get a head start on your 2018 taxes. File your tax return electronically to receive your fastest tax refund possible. Connect with an expert in a click and get answers when you need them with SmartLook™. Every personal TurboTax return is backed by our Audit Support Guarantee for free one-on-one audit guidance from a trained tax professional. And much more!

Delphi library to communicate with attached media and storage devices. Applications can explore devices, send and receive content, and even control devices.

Bitrix24 is a comprehensive free CRM system available both online and as self hosted software that can be installed on your own server. If you go for this option, you’ll get access to open source code as well. Cloud version of Bitrix24 doesn’t have any limits, other than 12 users and 5 GB worth of online storage - you get unlimited leads, contacts, companies, deals, products, quotes, invoices and email marketing. Bitrix24 is also the only free CRM system that comes with integrated call center, so you can make and receive phone calls to/from your CRM as soon are you register.

GemBox.Email is a .NET component that enables you to read, write, receive, and send emails from your .NET applications using one simple API. With GemBox.Email you get a fast and reliable component that’s easy to use. It requires only the .NET framework, so you can deploy your application easily without having to think about other licenses.