MarshallSoft Computing Serial communications, email, FTP, and winsock libraries for Windows. http://www.marshallsoft.com/

EDSS/Models-3 I/O API Provides the environmental model developer with an easy-to-learn, easy-to-use programming library for data storage and access, available from both Fortran and C. http://www.emc.mcnc.org/products/ioapi/

Greenleaf Software Serial communications libraries, components and tools. http://www.gleaf.com/

DC Micro Development, Inc. Cross-platform development libraries for C/C++ and Visual Basic. Products include libraries for data compression, TCP/IP protocols, dynamic html emission, and help authoring software. http://www.dcmicro.com/

OptiVec: Libraries for Engineering and Science OptiVec offers more than 3000 Assembler-written vector, matrix and complex math functions for PC language compilers, 2-3 times faster than compiled code. http://www.optivec.com/

SGE API that provides low level access to audio, keyboard, mouse, and display framebuffer across multiple platforms. http://www.etek.chalmers.se/~e8cal1/sge/

CMATH Assembler written complex number math library (single, double and extended precisions), intended as a high-quality replacement for the available C++ complex class libraries, and as an add on for Pascal or Delphi. http://www.optivec.com/cmfuncs/

OpenML (Open Media Library) A cross-platform standard programming environment for capturing, transporting, processing, displaying, and synchronizing digital media (2D and 3D graphics, audio and video processing, I/O, and networking). http://www.khronos.org/openml/

WCSC Serial communication libraries, drivers, and DLLs for all Windows and MS DOS that include Zmodem, Xmodem, and Ymodem file transfer protocols, as well as full modem control. Nine bit and Multidrop protocol for RS232, RS485, & RS422 serial communication supported. http://www.wcscnet.com/

Word Processing File Conversion Library A library of DLLs which can be called from any Windows application. Contains functions to convert documents between different Word Processor file formats, and to read or write formatted text to or from word processor file formats. http://www.acii.com/dvlp.htm

TEC-IT Barcode DLL For developers who need to integrate and print bar codes from within their application. Supports all linear bar codes including Code 39, Code128, 2of5 IL, EAN, UPC, Postnet as well as 2D-symbologies includinmg PDF417, MaxiCode and Data Matrix. http://www.tformer.com/barcode/go/barcode_dll_1.htm

DMM_Windows_DLL A Win32 library allows to adjust shapes of windows and to work with translucence and transparency of the windows. All the functions can be combined with one another so that interesting effects in the windows can appear. [Commercial] http://www.dmm.cz/en/dmm_window_dll.htm

SuperCom TCP/IP An optimized, thread based, Low Level Engine, which handles simultaneously connections, buffers data and generates events. Optimized threads reduce CPU load to minimum. A dual mode programming interface is provided (DLL and ActiveX). [Commercial] http://www.adontec.com/supert_e.htm

GET.DLL A freeware maGic ExTension, a DLL, that extends the Magic RAD software (for Windows) from MSE. (A this website, you will also find other resources for Magic developers.) http://www.geocities.com/siliconvalley/bit/1809/

sbParser A DLL can solve mathematical functions of any length with up to 24 variables. Examples for the Microsoft Visual C++, Microsoft Visual Basic, Borland C++ and Borland C++ Builder compilers are included. It work at Win32 platform and Palm OS. [Shareware] http://www.softbasecc.de/www/softbase/serv02_f.htm

Developer City: Free Programming Resources: Libraries A variety of free libraries, with or without source code, for: accessing databases (with/without ODBC, SQL), encryption, graphics/images, compression, fonts, GUI's, 3D engines, 2D engines, and sockets programming. http://www.thefreecountry.com/developercity/freelib.html

Nine-9s Protocol stack software for telecom and data communications protocols in source code. Also video and audio codecs. http://www.nine-9s.com/

Cioina Mathematical parser and symbolic differentiator (Windows .dll and Linux .so files), and Delphi, Kylix, C++ Builder, C#, VB using examples. [Commercial] http://www.geocities.com/alexei_cioina/cioinaeval.html

DllDump A collection of over 700 DLL files. http://www.dlldump.com/

SI Grid DLL A 32 bit grid control for use in Windows development. By Software Innovators. [Commercial] http://www.softwareinnovators.com/products.php?SM=TL&PD=SIGRID&PHPSESSID=c6edb65368133c950cde4cccfbf142de