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A high-speed, reliable Zip library with affordable price which lets you add zip/unzip functionality to your .NET applications with only few lines of code.

Download .NET ZIP Component for CS VB.NET ASP.NET 5.1.4

PDFOne Java Free
Gnostice PDFOne Java is a library which provides a rich set of APIs to Create, Fill and Read PDF Forms, Secure, Merge, Split, Stamp, View, Print PDF documents.

HotPDF Delphi PDF Creation Library
HotPDF Library is a VCL component for Delphi and C++ Builder that provides you with the ability to create and edit PDF documents directly without any DLL or other software.

PTracer
PTracer is a ActiveX Library for raster to vector conversion in automatic mode

NMath Stats
Probability distributions, combinatorial functions, descriptive statistics, multi-type data table, multiple linear regression, hypothesis tests and analysis of variance (ANOVA) for the .NET platform.

MITA
A audio engine system for audio processing.It can be used in kinds of software of game, multimedia processing, speech synthesis, music creation and sound processing and so on.It has lots of features and functions to make it easy to process audio file