The Freeware Guide - Your Guide to the Best Free Software and Freeware Sites! Software Development
Components & Libraries
Title  Visifire Size  151 kB Win  2000/XP/2003/Vista
Visifire is a set of open source data visualization components - powered by Microsoft Silverlight. With Visifire you can create and embed visually stunning animated Silverlight Charts within minutes. Visifire is easy to use and independent of the server side technology. It can be used with ASP, ASP.Net, PHP, JSP, ColdFusion, Ruby on Rails or just simple HTML.
Visifire's unique features are:
- Visually Stunning Animated Charts
- Embed into any web page in minutes
- Open Source / Free license
- Tiny footprint (140 KB)
- Enterprise grade features.

Title  LEDA Free Edition Size  13.6 MB Win  NT/2000/XP/2003/Vista
C++ Library, Efficient Data Types/Algorithms on Linux, Unix, MSWindows, Free Edition: Basic Types, Associative Container Types, Graph Types, Number Types, Geometric Types, GUI Classes Professional/Research Edition: Static / Dynamic Graphs & Networks Algorithms, Geometric Algorithms, Curved Geometric Data Types, Compression, Cryptography, Graph & Subgraph Isomorphisms, String Alignment, Data Mining The product comes in three editions, professional, research, and free. Research and Free edition provide the same functionality, whereas that of the free edition is restricted (see above). For all of them the source code is available for a fee. There are different licenses types available (single user, site object, site source). Customers come from all industrial areas such as telecommunications (AT&T, Deutsche Telekom, France Télécom), car builders (Ford Motor Company, Daimler-Chrysler, Mitsubishi), computer manufacturers (NEC, Siemens, HP, IBM), bioinformatic companies (Celera Genomics, TIGR, Biomedware) and from academic research (several hundred universities).

Title  Arisesoft Shell Pack Size  274 kB Win  all
Shell Pack contain components: TShellTree, TShellList and powerfull demo. It is complete solution for extending any kind of application with File Manager functionality. Are realized all features of Windows Shell: OLE drag and drop, info tips, context menu and hints, auto complete edit, notification of files, clipboard and shell events (undocumented API).

Title  BackupBuilder Size  914 kB Win  all
BackupBuilder is a free backup and restore tool for software developers.
You can call it from your applications or from the command line in order to give your customers the possibility to save and restore their files.
BackupBuilder is script driven and multilingual. It has a lot of configuration switches so you can set it up the way you need it. You can define different backup tasks and you can use several path, date and time constants in the scripts.
BackupBuilder is free of charge, even for commercial use!

Title  ISAM File Manager DLL Size  90 kB Win  98/NT/2000/XP
Real Isam is a full featured Freeware Library (DLL) that uses the ISAM method(Indexed Sequentiel Access Method) to manage access keys and variable length data records. It is an efficient tool for text oriented data, like word definition, e-mail storage, character string fields, XML, HTML pages, CSS objects, indexes etc. It uses a balanced b-tree technique and allows all basic ISAM operations; Real Isam is Object Oriented. Small footprint. Very fast.

Title  Google PageRank for Delphi Size  311 kB Win  Borland Delphi 5,6,7.2006
Now Delphi developers can embed Google PageRank retrieving functionality into own applications. This components allows you to easily retrieve Google's PageRank value and also show it by manner similar to Google Toolbar.
The module named PageRank(pagerank.pas) contain two classes and two function. You can use non-visual component TPageRank to retrieve the PR value and the TPageRankControl to show this value. Also you can use GetURLQuery function to make PageRank value retrieving query and the StrToPageRank function to convert receiving document to PR value.

Title  Klorofil Platform Size  2646 kB Win  NT/ME/2000/XP/2003
Klorofil Platform is an open source PHP based platform developed by Klorofil, an initiative initiated by Saltanera Teknologi. The platform was built to ease and accelerate application development using PHP. Its features are: GUI framework for PHP-based desktop application development (gambArt), web application framework (Semok), distributed computing framework (Televoke), classes libraries, database abstraction, byte compiler, and many more.

Title  Universal Real-Time Oscilloscope GUI Library Size  3695 kB Win  all
Real time universal oscilloscope GUI DLL library for data acquisition, modeling, simulation, debugging.
Advantages:
1.Speedy performance: the library makes it possible to bring out into the beams of the viewing oscilloscope over a million quantization steps of signal per second – thus less than one micro-second is enough for one discreet.
2. Versatility. Convenient integration with any applied software: viewing oscilloscope is executed as a DLL exporting only 9 functions, of which 3 are usually enough to work with.
3. A good graphic interface: an occurrence of a viewing oscilloscope created by this library looks like a separate window, entirely independent of the program which activated it. This window contains all elements typical for a control panel of a real oscilloscope.
4. Convenient data export-import: data already realised in the oscilloscope beams can easily be transferred to other programs via clipboard (copy - paste) in textual form or via the saved text file. In such form data can be easily imported into most “electronic table” kinds of programs, as well as into programs of the Matlab type. The oscilloscope also allows to quickly load such data file into its beams.
5. Reliable and robust: this library employs only the most basic API functions and reliably works in all versions of 32-bit Windows starting from the first ’95 version. We tested and mpractically confirmed the possibility of relay of data to this oscilloscope directly from the computer’s hardware interrupt procedure (IRQ) and from any kind of anisochronous thread - which is important.
6. Future perspectives: the author is ready to consider business propositions concerning creation of specialised versions of this oscilloscope, including unique interface elements and functional changes needed by a prospective customer.

Title  BigSpeed Peer-to-Peer SDK Size  1591 kB Win  all
BigSpeed Peer-to-Peer SDK is a set of two COM components (Agent and Hub) that lets you set up a virtual private peer-to-peer (P2P) network for secure file sharing and messaging. The transfered data are scrambled using on-the-fly 128-bit AES encryption, without need of SSL certificates. NAT traversal is implemented by using TCP hole-punching technology. The security is provided in two different modes: symmetric encryption with shared secret key and asymmetric encryption with 1024-bit public/private keys.
The hub is responsible for keeping information on and authentication of online peers. All peers connected to a particular hub build a single private community.
Each agent acts as both a client and a server at the same time. Fine grained access control is realized by a user-oriented permissions. They grant access control privileges to system resources and services in a flexible and secure manner.
Two different kind of instant information can be exchanged between peers: alert and chat messages.
In addition to standard FTP operations, such as upload, download, rename, delete, etc., the SDK also offers several advanced features.
The broken file transfers are resumed automatically (if enabled), with MD5 integrity checking. The agent is able to run search operation on the peers. The server module is able to perform file compression and decompression by a request from the remote client module. There is an option to compress on-the-fly the outgoing data before encrypting, which may reduce greatly the transfer time for large files.
BigSpeed Peer-to-Peer SDK utilizes an elegant event-driven paradigm for easy integration into Windows applications. A special attention is paid to provide responsive user interface while avoiding multithreading problems and maintaining maximum bandwidth efficiency.
Sample applications are included in VB .NET, VB 2005 and Delphi 7.
Free edition - $0, up to 5 concurrent connections, no technical support.


Title  BigSpeed File Sharing SDK Size  1570 kB Win  all
BigSpeed File Sharing SDK includes two ActiveX controls (client and server) that dramatically simplify and accelerate the development of private file sharing solutions over the Internet.
In addition to standard FTP operations, such as upload, download, rename, delete, etc., the library also offers a number of advanced features which give the local application full control over the remote files.
The client is able to open seekable streams on the server, either in read-only or read-write access mode. The application can seek, read, an write bytes to the stream as it is a local file.
The client is able to run search operation on the server.
The searching criteria may include file name masks (wildcards), text strings inside the files, or both of them.
The found items are reported in real-time, while the operation is running.
The server is able to perform remote file compression and decompression by a request from the client. During zipping or unzipping detailed progress information is provided back to the client about the current and total file and byte counts.
The transfered data are scrambled using on-the-fly 128-bit AES encryption, without need of SSL certificates. The security is provided in two different modes: symmetric encryption with shared secret key and asymmetric encryptionwith 1024-bit public/private keys.
There is an option to compress on-the-fly the outgoing data before encrypting, which may reduce greatly the transfer time for large files.
BigSpeed File Sharing SDK utilizes an elegant event-driven paradigm for easy integration into Windows applications.
A special attention is paid to provide responsive user interface while maintaining maximum bandwidth efficiency.
Carefully designed set of properties, methods, and events offers great flexibility to develop innovative communication software.
BigSpeed File Sharing SDK is available free of charge for non-commercial use.
Sample applications are included in Visual Basic 6, Visual Basic .NET, Visual C++ .NET, and Delphi 7.

Title  Catchysoft Report Generator Size  395 kB Win  all
Catchysoft Report Generator is library for generating and printing reports. Distinctive features of this library are a high speed integration into any project and an auto-layout report design creation. Library uses ActiveX (also known as COM) technology. That is why the library can be used from from any programming language that can use ActiveX components: Visual Basic, Delphi, Visual C++, VBScript and so forth.

Title  LS Speller Size  99 kB Win  95/98/ME/NT/2000/XP/2003
Speller contains two components designed for Delphi: TSpellChecker and TSpellLanguageComboBox. It is designed to add spell check capability to any application. It uses ISpell dictionaries installed with "ISpell - LS- Distribution". You find it on my web site http://www.luziusschneider.com Additionally, TSpellChecker can use spell check dictionaries installed with MSOffice 95 or 97. Speller includes all source code!

Title  abfComponents Size  400-543 kB Win  95/98/ME/XP/NT4/2000/2003
The abfComponents product is a base part of the ABF Visual Components Library, contains a set of powerful and easy-to-use common components, lots of classes and procedures. Product is compatible with all 32-bit versions of Borland Delphi and C++Builder. abfComponents is free for non-commercial usage, you can freely download a full featured version. If you are planning to use this product in some commercial project you should purchase the source code or purchase a full version of ABF VCL.

Title  LSFindReplaceDialogW Size  21 kB Win  NT4/2000/XP
LSFindReplaceDialogW contains two components for Delphi 6 and 7: TLSFindDialogW displays a Find dialog, TLSReplaceDialogW a search-and-replace dialog. Both use wide strings (Unicode) and do work only with Windows NT/2000/XP and higher. LSFindReplaceDialogW includes all source code!
Screenshot  Screenshot

Title  PrintDialogEx Size  27 kB Win  95/98/ME/NT/2000/XP
Print odd pages or even pages only!PrintDialogEx contains an extended Print Dialog component for Delphi.TPrintDialogEx displays a PrintDialog with an additional ComboBox to select: - All Pages- Odd Pages - Even Pages. PrintDialogEx includes all source code!
Screenshot  Screenshot

F  Software Development
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