JProfiler is a powerful tool that you can use to profile Java based applications in a dynamic way and enables you to analyze them in hopes of optimizing performance.

Spire.Office for .NET is a combination of Enterprise-Level Office .NET components offered by E-iceblue. It includes Spire.Doc, Spire.XLS, Spire.Spreadsheet, Spire.Presentation, Spire.PDF, Spire.DataExport, Spire.OfficeViewer, Spire.PDFViewer, Spire.DocViewer, Spire.Barcode and Spire.Email. Spire.Office contains the most up-to-date versions of the above .NET components.

The Internet Component Suite is composed of various Internet components and applications. It is distributed as freeware with full source code for all Delphi and C++Builder versions. The sample applications exists in two forms: Object Pascal for Delphi and C++ for C++Builder. The components are written in Object Pascal native VCL which can be compiled by Delphi as well as C++Builder. There is a wiki under construction here where you'll find valuable documentation.

DLL libary for serial communication for Windows.

communication with any device connected to serial port
easy of use and very powerful
uses multithreading and overlapping for maximum performance
source code included in registered version
royalty free distribution with applications

Nevron Vision for .NET offers the most comprehensive set of components for building enterprise-grade data visualization applications that target both the web and the desktop. The components in this suite feature coherent 2D and 3D data visualization effects that have a great visual impact on the audience. We have also implemented a large set of data visualization techniques and innovations to maximize the clarity of the visualized data and to make it more comprehensive for the viewer. The components are built upon a common framework, thus minimizing the learning curve needed to get started with them as a whole. The common framework also ensures consistent features, performance, polished API and other benefits that are a product of over a decade of refinement.

Delphi and C++ Builder components for playing and recording waveform audio.

uses standard Windows Waveform Audio API
supports raw PCM audio data and PCM wav files
available for Delphi/C++ Builder 5 - 10.3 and Lazarus 1.8.4
source code included in registered version
royalty free distribution in applications

Groupy is a powerful organizational tool for Windows that will keep information tabbed and organized. You can drag and drop multiple applications and documents together to group them into a tabbed interface for easy access and reference.

VisioForge Video Edit SDK allows programmers to easily integrate video editing and processing capabilities into their software applications. Video Edit SDK allows you to create your own movie out of any audio and video files. You can add various effects to it and transition effects between tracks. Video Edit SDK supports the most popular video formats, such as AVI and Windows Media Video, a free format with wide features - Matroska and the most popular Internet format - Flash Video (FLV). In addition, you can take advantages of other formats using third-party DirectShow filters. It is possible to export audio to the most popular formats - MP3, OGG Vorbis, AAC, Windows Media Audio and WAV (with and without compression).

Delphi and C++ Builder serial communication library for USB connected devices for Android.

uses UsbSerial library
supports CP210x, CP2130, CDC, FTDI, PL2303 and CH34x devices
no special root access privileges needed
available for Delphi/C++ Builder XE6 - 10.3
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder serial communication library for USB connected devices for Android.

uses usb-serial-for-android library
supports FT232R, CDC/ACM (Arduino Uno), CP2102 and CH34x chips
no special root access privileges needed
available for Delphi/C++ Builder XE6 - 10.3
source code included in registered version
royalty free distribution in applications