Xamarin Forms is great if you want to develop apps for different mobile platforms. But when it comes to touch gestures, it is still very limited.
For more than a year they only had the TapGestureRecognizer. Although they did add some others lately, they still don't provide all information which you need. Furthermore the API which they use has been copied from iOS and is not what a .NET developer would expect.

Bulk Image Downloader is an application specifically developed to help you download Full Sized images from almost any web gallery or web forum.

Features:
Image Host Support - BID works with almost all popular image hosting sites, such as flickr, imagevenue, imagefap, imageshack, imagebam, etc.
Social Networking Sites - BID supports album downloading from sites such as facebook, myspace, and twitter related hosts like tweetphoto.com, twitpic.com, yfrog.com
Full Sized Images - BID uses an advanced heuristic scoring method to locate full sized images. This means BID can work on most galleries automatically, with no user configuration necessary.

Debug third-party code, even if you don't have the source. NET Reflector Pro provides the latest version of .NET Reflector, plus a Visual Studio add-in containing the Pro features .NET Reflector Pro integrates .NET Reflector into Visual Studio to allow you to seamlessly debug into third-party code and assemblies, even if you don't have the source code for them. For example, you may have a project that contains a third-party assembly, but you cannot step into it because you do not have the source code, symbols, or PDB file. After you have installed .NET Reflector Pro, you can use the Visual Studio add-in to select and decompile the assembly that you are interested in.

A simple development environment databases, without the help of specialists and programming skills, you will create a Windows application databases. It can be as simple telephone directory and accounting system in your business. The result of your work will be a Windows application that does not require installation and third-party components and the ability to work directly from USB Flash drive.

Cross-platform messaging client library implementing the full MQTT specification.

Feature overview

MQTT client component
Can be used in VCL,FMX and LCL applications
Supports Windows, iOS, Android, macOS, Linux, Raspberry Pi
Implements full MQTT specification including QoS, Last will message, message retaining
Fast & multithreading based architecture
Supports secure & non-secure connections
Non-visual logger component included

Powerful, extensive & flexible component suite for native Excel report & file generation & manipulation for VCL.

Feature overview
FlexCel for VCL / FireMonkey is a suite of Delphi components allowing to manipulate Excel files. It includes an extensive API allowing to natively read/write Excel files. If you need to read or create complex spreadsheets, on Windows or macOS on machines without Excel installed, Flexcel can do the job.

jаvascript engine for Delphi.

uses Microsoft ChakraCore jаvascript engine
supports Windows 32 and Windows 64
available for Delphi/C++ Builder 6 - 10.2 and Lazarus 1.8.4
source code included in registered version
distributing library in applications is royalty free

Entity Framework Profiler is a real-time visual debugger allowing a development team to gain valuable insight and perspective into their usage of Entity Framework. The product is architected with input coming from many top industry leaders within the OR/M community. Alerts are presented in a concise code-review manner indicating patterns of misuse by your application. To streamline your efforts to correct the misuse, we provide links to the problematic code section that triggered the alert.

The DevForce WinForms DataBinders provide data binding support to the Developer Express and Infragistics control suites for WinForms applications built using DevForce 2010 or DevForce 2012.

Supported suites:
Developer Express - 13.1, 13.2, 14.1, 15.1, 15.2, 16.1, 17.1, 17.2, 18.1
Infragistics - version-free (beginning with 17.2)

Supported Visual Studio versions - 2010, 2012, 2013, 2015, 2017