Rudy Velthuis is the orignal author of this library. He unfortunately passed away a while back. In an effort to keep this valuable library alive we've done the following:

Pulled changes from all the other branches into this repository
Created Wiki articles based on his original documentation (with some updates)
Opened up for issues
Fixed some other issues and updated for Delphi 11.3

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

FreeEsVclComponents - a free library of VCL components for Delphi and C++Builder.
There are new controls and components, classes to improve the appearance and to better user experience.
Components has best transparency support, do not flicker.

Process Windows Events in Loops that Take a Long Time to Run
If your code has a loop that takes a long time to run, then make sure to process Windows events by calling WindowEvent. See PureBasic WindowEvent, and PureBasic Windows Message Handling. Otherwise Windows will complain that your application has stopped responding.

Download and unzip to any directory. The unzipped directory structure is shown here:



The chilkatCs directory contains the C# source files for the Chilkat classes. These use the standard P/Invoke to call into a native library containing the implementation. Native shared libraries for Windows, Linux, and Mac OS X are provided.

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

Hold the full power of mapping in your hand! Cross-framework, cross-platform, cross-service mapping component library.

Directions/Routing (TTMSFNCDirections)
Options for configuring alternative routes, step by step directions, …
Geocoding (normal, reverse) (TTMSFNCGeocoding)
Getting current location (TTMSFNCLocation)
Getting elevation for a location (TTMSFNCElevation)

Pdfium.Net SDK is the leading .Net library for generating, manipulating and viewing files in the portable document format. We are offering a high level c# / VB.Net API for dynamic pdf creation on a WEB server or any other server system, and to implement «Save as PDF» feature in existing desktop or WEB applications.

The C# Barcode Library
Generate QR & Barcodes in C# & VB .NET Applications
Read Barcodes & QR Codes from Scanned Images
Supports .NET 7, 6, 5, Core, Standard, Framework