Free Source Code, Programming Libraries & Components

Reuse tested code and components in your applications


Free Programming Libraries / Source Code

You can find source code, libraries and components for a variety of tasks in the pages listed below. These libraries, modules, functions, API, etc, allow you to add facility to your programs simply by calling the required routines and linking to the appropriate libraries.

If you don't see the category for the task you want listed in the index below, please check out the page for programming language you are using, eg, C/C++, Pascal/Delphi or Java in case it's listed there.

Free Source Code and Programming Libraries

Other Programming Resources

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What's New

Stay Updated (Free) 3 July 2009 2 July 2009
  • Two new free online C# tutorials have been added to the Free Online C# Tutorials, References and Documentation page. One is from the horse's mouth itself (Microsoft) and the other is from a tutorial delivered at a Microsoft .NET Crash Course in Cambridge. If you're hankering to write programs using C#, check these out.
1 July 2009
  • Fancy creating your own cartoon (animation), with or without sound? Pencil lets you create your cartoons as a Flash file, a QuickTime movie file or as a series of PNG images. For lack of a better category page to list this interesting open source program, I've provisionally added it to the Free Drawing and Painting Software page. Since it can produce Flash files, you can even exhibit your cartoons on your own website. (QuickTime movies should work too, but not everyone has the QuickTime plugin.)
30 June 2009
  • Two new free tools, an icon editor and a cursor editor, have been added to the Free Resource Editors, Compilers and Icon Editors page. The icon editor, IcoFX, lets you create icons, such as the "favicon" icon that is used by websites or the icons that appear on your computer desktop. The cursor editor, AniFX, can be used to create cursors, even animated cursors, that you can integrate into your programs or substitute for existing ones to customize your computer. Check them out.
29 June 2009 25 June 2009
  • A new web host has been added to the Free Web Hosts with Free Domain Hosting page. Besides letting you host your own domain with them, this free web host, L4rge, also provides PHP (with limitations), MySQL access, a script installer, and so on. Check it out.
24 June 2009 22 June 2009
  • New page: Free Regular Expression (Regex) Libraries and Source Code. Are you thinking of adding support in your program for searching for a particular piece of text? If so, the free regular expression libraries on this page will allow you to do so in the standard way used by most software, without having to reinvent the wheel. For the puzzled, regular expressions are just a concise way to specify a pattern of text to match.
     
    Note: if you are looking for a search and replace utility so that you can find a file or document containing something you wrote a while ago, you should check out the Free Text Search and Replace Utilities page instead. The libraries page mentioned earlier is meant for programmers, while the utilities page is useful for everyone.
18 June 2009
  • A new web-based content management system has been added to the Free Content Management Systems (CMS) PHP Scripts page. It is customizable, supports extensions that you can add to your site (like a blog module, a forum module, a calendar/event module), has a number of themes that you can select to change the appearance of your website, and so on.
     
    For those not sure what Content Management Systems are, they let you create and manage your website from your browser. That is, after you install it on your site, all you need to do is to log into your site from your web browser to add your content, customize the appearance and so on.
15 June 2009
  • New page: How to Add a CAPTCHA Test to Your Feedback Form Script: Reducing Spam in Your Contact Form. Is your mail box filled with spam sent by automated computer programs dumping junk into your feedback form? Are you tired of having to wade through tons of ridiculous body enhancement suggestions replete with grammatical errors before arriving at your real email? This article shows you how you can add a CAPTCHA facility to your feedback form in an easy-to-do way, to hopefully reduce the spam arriving through your contact form. Note that this article is intended for the ordinary, non-technical webmaster, and can be implemented by anyone.
11 June 2009
  • A new PDF converter has been added to the Free PDF Converters, Editors and Printer Drivers page. CC PDF installs itself on your system as a pseudo-printer driver. When you print a document from any program, you can select that printer, and it will generate a PDF file for you (instead of sending the document to your printer), thus allowing you to create PDF files from any program that can print. Like all the other PDF converters on the page, it is free.
9 June 2009
  • The Feedback Form Script Wizard has been updated to add the following features to the feedback form it creates: (1) The PHP feedback form script created by the wizard can now, at your option, check to make sure that the comments/message field is not empty before submitting its contents. (Note: this is not exactly a new feature since it was present in older versions of the script but was removed in recent versions. By popular request, the facility has now been restored to the script.) (2) You can now make the wizard use either XHTML or HTML for the form code. If you don't know what to use, just leave it at the default.
     
    If you don't need the new features, you don't have to upgrade. As always, the script is free.
8 June 2009 4 June 2009
  • A new website offering free and open source fonts has been added to the Free Fonts page. The site provides a number of Unicode encoded and legacy fonts supporting many languages. If you are looking for fonts to make your documents look interesting and unique, check it out.
3 June 2009 29 May 2009
  • New page: Free Web Hosting Control Panel Software. If you are setting up your own web server, or having to manage a bare-bones dedicated server or virtual private server (VPS), the software listed on this page may interest you. These free (and often open source) programs let you manage the server from your web browser. They let you configure the web server, email, FTP, databases, DNS, user accounts, domains, and so forth without having to resort to manual editing of server configuration files.
26 May 2009 24 May 2009
  • A new audio editor has been added to the Free Digital Audio / Sound Editors page. This one supports the usual assortment of editing features as well as support for VST plugins, ASIO, pitch shifting, vocal removal, loop, bit-depth conversion, etc. Like all the other digital sound editors on that page, it is free.
21 May 2009
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