1StopPopup's JavaScript Popup Creator
   Makes JavaScript popup window code.
   http://1stoppopup.com/

4 Colors Selector
   A JavaScript color picker.
   http://www.stormloader.com/4colors/

Aarons ScriptCalendar
   An event driven DHTML JavaScript Calendar that displays dates and events in typical wall calendar format.
   http://www.scriptcalendar.com/

Arun's Javascript Utilities
   Collection of ready-to-use Javascripts, features a flexible Javascript PopUp Calendar, PopCal.
   http://jsutils.sourceforge.net/

Avenue Metasearch
   This JavaScript search form gives you the possibility to search the 50+ most popular search engines and directories. Main script hosted at Avenue site. [Freeware]
   http://www.avenue-it.com/metasearch/

Bentstone JavaScripts
   JavaScript card games, slideshows and some fancy visual effects.
   http://www.stonebenders.com/

Bmgadg.com
   Javascripts for form validation, browser detection, cookies, images swaping. Also calculator and slider game.
   http://bmgadg.com/javascript.php

Bouncing Text in Status Bar
   A script takes the text you input and 'bounces' it in the status bar.
   http://webjunk.coolfreepage.com/javascript/script2/

BoxOver
   Shows popups over HTML elements and is compatible in major browsers. It was designed with low CPU consumption in mind. [Freeware]
   http://boxover.swazz.org

Calendars of the World
   A calendar coverter to convert between about 20 different worldwide calendars. [Freeware]
   http://www.rumblefische.com/calendars/

Canvas Clocks
   Provides a clock using the WHATWG <canvas> element.
   http://perisic.com/canvasclock/

Cerny
   Offers solutions for type checking, schema validation and dependency management.
   http://www.cerny-online.com/cerny.js/

ColorPop
   A pop-up color picker control for use on web pages.
   http://www.iconico.com/colorPop/

DHTML Cross-Browser JavaScripts
   Vertical, horizontal and typewriter scrollers, and a collection of free Javascripts. Multi-OS and multi-browser compatible.
   http://vbarsan.com/

Development Resource & JavaScript Public Archive Center
   A Free Web Development Resource & JavaScript Public Archive Center.
   http://www.designerwiz.com/

Dynarch.com
   Offers DynarchMenu, a cross-browser and customizable AJAX menu defined using semantic HTML; Dynarch RollBar, a portable DHTML tab widget. Some of the tools are open source software: the DHTML calendar and HTMLArea, an editor for the Web.
   http://www.dynarch.com/

ESC (ECMAScript Cruncher)
   An ECMAScript pre-processor written in JavaScript, enabling an unlimited number of external scripts to be compressed/crunched into supertight, bandwidth-optimized packages.
   http://www.saltstorm.net/depo/esc/

ESPX and TinyXSL
   ESPX, an ECMAScript Parser for (almost) XML, with namespaces; and TinyXSL, XML transform in-Script mini-Language
   http://www.cjandia.com/2001/espx-tinyxsl/

Editable JavaScript TreeGrid
   DHTML component written in pure JavaScript to display and edit data in table, grid, tree or grid with tree. Compatible with the most of standard browsers. ASP.NET support code available. [Commercial]
   http://www.coqsoft.com/treegrid/

Email AntiLeech
   Prevents all softwares to grab email addresses from site.
   http://www.artatoo.com/scripts/email_antileech.shtml

Focus on JavaScript
   A bulk of scripts and other JavaScript resources.
   http://javascript.about.com/

Free Color Picker
   Offers to fill out a color value by selecting it in a palette.
   http://www.free-color-picker.com

GEEKO CMS
   A JavaScript based content management system. Site content generated at client side by simple text files which can be changed in a text editor. [Free]
   http://www.cms.online-business.ro/

GMapbook
   Offers a guestook based on Google Maps.
   http://gmapbook.blogspot.com

GifArt.com - Rollover Example
   Script you need to make the mouse-over effect.
   http://www.graphicsfactory.com/graphictips6.shtml

HIOX Free Javascript Scripts
   Free Javascript scripts includes stop watch, timer, domain and email validation script, date functions, alphanumeric validation function.
   http://hscripts.com/scripts/JavaScript/

HTML Editors
   Extensive listings of JavaScript / AJAX scripts and tools for creating and manipulating the presentation and functionality of websites.
   http://www.forfiles.com/browse-javascript-1_122.html

HTML2XHTML Converter (H2X)
   Generates a well-formed XHTML string from an HTML DOM object. H2X could be used in Content Management Systems (CMS), online wysiwyg HTML editors or any other javascript application to produce well formed XHTML 1.0 code.
   http://html2xhtml.richarea.com

I-Announce
   Add javascript Popups Announcements to website. Popup content can be easily changed by the website owner - from the Popup itself. Requires registration (Free) and easy install code.
   http://www.i-announce.net/

JIM-Control
   Client-based content management system deliver scalable content that is interactive and customizable for internet users. [Commercial]
   http://www.commerceweaverpro.com/jim-control.html

JSCart Shopping Cart
   Javascript shopping cart capable to support thousands of products through a powerful database manager. [Commercial]
   http://www.cnctek.com/JSCart/

JSviewer
   A configurable dynamic HTML image and slide show viewer written in JavaScript. Supports displaying images, web pages and text. Supports keyboard controls and multiple languages.
   http://www.jsviewer.com/

JavaScript Diagram Builder
   Library of objects and functions, to display and dynamically modify coordinate diagrams and charts in webpages. [Freeware]
   http://www.lutanho.net/diagram/

JavaScript Periodic Table of the Elements
   Displays name, atomic number, electronic configuration, melting point, and boiling point.
   http://www.mineralcollecting.org/study/periodic.shtml

JavaScript Photo Album
   JavaScript to display photo albums with many customizable options.
   http://www.kitykity.com/photoalbum/

JavaScript Scrambler
   Script for converting your JavaScripts into difficult to read JavaScripts
   http://www.tero.co.uk/scripts/scrambler.php

JavaScript Shell
   A read-eval-print loop for JavaScript that works in IE, Mozilla, and Opera. Includes a Mozilla bookmarklet to run shell commands in the context of any web page.
   http://www.squarefree.com/shell/

JavaScript Spin Control
   Like a regular Windows Spin control, but is implemented entirely in JavaScript. [Commercial]
   http://www.ycode.com/Spin/Latest/Spin.htm

JavaScript Ticker
   Collection of tickers for simple text, RSS news and stock market quotes. [Commercial]
   http://www.jsticker.com

Jush
   Highlights HTML, CSS, JS, PHP and SQL code embedded into each other.
   http://jush.info/

Just Javascript
   Blackjack game, dots game, hangman game, lottery picker, popups code, euro currency converter, html color table, glowing text, scientific calculator, source code, rollovers.
   http://website.lineone.net/~mike_mcgrath/

Kerberos DEV.net Products
   Javascript controls for web pages, including Date Picker, Image Studio (image gallery), Colour Picker, Font Picker, Option List, Checklist, Tabula Rasa (rich text editing form control), Username Changer, Email Validator, Password Changer, Marquee, Num
   http://www.kerberosdev.net/developer-resources/index.aspx

MyWeb>
   Dedicated to the pursuit of a better Internet through scripting. The best in Dynamic HTML and javascript.
   http://www.netlinkave.com/~myweb/

NS6 Sidebar Script
   Which is essentially a looming left frame that can contain content from various web sites- including yours. Use this script to enable your NS6 visitors to add your site to their sidebar.
   http://www.dynamicdrive.com/dynamicindex9/ns6side.htm

Nic's JavaScript Page
   Variety of free javascript examples for web sites.
   http://www.javascript-page.com/

Object.Event
   Provides an event model for JavaScript models.
   http://livepipe.net/projects/object_event/

Plexel Editor
   A free javascript website editor and applications platform.
   http://plexos.com/Plexel.htm

Pop Up Window Generator
   Online pop up generator. Free and highly customizable.
   http://www.a1ien51.8k.com/scripts/popupwingenV2.htm

PopCalendarXP And FlatCalendarXP
   The javascript calendar with themes support. [Freeware and Commercial]
   http://www.calendarxp.net/

PopUpMaster
   Offers free JavaScript popup code generator and specialist popup development and installation services
   http://www.popupmaster.com/

Primoris Software
   A JavaScript components including popup calendars, DHTML menus, Javascript form validation.
   http://www.primorissoftware.com/

QLIB
   A library of JavaScript foundation objects. It includes cross-browser implementation of a button, checkbox, progress bar, counter, overlay window, dialog box. Total there're 14 objects in the collection and this count is growing. [Open source, GPL]
   http://qlib.quazzle.com/

Rectangular Marquee Tool
   Javascript object allowing to select rectangular areas on <DIV> or <IMG> elements. [Free]
   http://marqueetool.net/

Regular Expression Tester
   Uses browser's JavaScript to show matches and subgroups, and highlights match in the input string.
   http://www.roblocher.com/technotes/regexp.aspx

Search Maker Pro
   Allows you to create a web page that contains a search engine. You can place this code on your website to enable a site search.
   http://www.searchmakerpro.com/

Send A Link
   JavaScript tools that enable your web page visitors to bookmark your site, send an email about it to a friend, or make it their homepage, or with a single mouse click.
   http://www.send-a-link.com/

Snow
   Makes it look like snow is falling down the screen. [Freeware]
   http://www.altan.hr/snow/

Suggest As You Type
   Creates the suggestion box for an input element.
   http://www.fh54.de/js/inputsuggest/input_with_suggest.php

The Ultimate JavaScript Client Sniffer
   Determine which browser is being used to view your site.
   http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html

Tigra Calculator
   Allows visitors to perform arithmetic calculations instantly on the HTML form. [Freeware]
   http://www.softcomplex.com/products/tigra_calculator/

Tigra Color Picker
   Makes easy for visitors to fill out color value field(s) by selecting the color from a popup palette. [Freeware]
   http://www.softcomplex.com/products/tigra_color_picker/

Tigra Form Validator
   A free JavaScript component performing client side form validation.
   http://www.softcomplex.com/products/tigra_form_validator/

Tigra Form Validator PRO
   A JavaScript component performing client-side form validation.
   http://www.softcomplex.com/products/tigra_form_validator_pro/

Tigra Hints
   Displays pop-up box with notes (also known as tooltips or hints) when mouse appears over any HTML element on the page. [Freeware]
   http://www.softcomplex.com/products/tigra_hints/

Tigra Scroller
   Scrolls text or html in the box. [Freeware]
   http://www.softcomplex.com/products/tigra_scroller/

Tipue
   A JavaScript site search engine. It works with any browser that supports JavaScript 1.3 and at least partially supports the W3C DOM Level 1. [Open source, GPL]
   http://www.tipue.com/

Universe Online
   Navigation menus, DHTML menu builders, JavaScript buttons, spreadsheet solutions, database components, stored procedures and JavaScript drop downs.
   http://www.uolweb.com/

Utopia Nu - JavaScript SlideShow Projector
   Software for the presentation of in place picture shows on web pages while visitors have full control over direction, speed, one by one, automatic show all (once/continuously).
   http://www.utopia.nu/javascript_slideshow/

Webpage-tools
   Collection of Javascripts with code generation facility.
   http://www.webpage-tools.com/

XSLT JS
   Tiny library for client-side (browser) transformations of XML with XSLT.
   http://johannburkard.de/software/xsltjs/

Xmenu-xlayer
   A versatile, Javascript driven DHTML menu that works on most popular browsers. It comes in 3 basic modes: vertical, horizontal or collapsing and folds/unfolds on clicks or mouseovers. [Open source, LGPL]
   http://xmenu-xlayer.sourceforge.net

Xparse
   Non-validating XML parser running in the client browser.
   http://www.jeremie.com/Dev/XML/

Yav
   A Javascript-based form validation script supporting advanced features. [Open source, LGPL]
   http://yav.sourceforge.net/

Zapatec
   Zapatec Javascript Menu is a search engine friendly cross browser compatible menu. Zapatec Javascript Calendar is an cross browser compatible calendar. Zapatec Javascript Tree is a cross browser search engine friendly way to display information.
   http://www.zapatec.com/

dZigns by Shiv
   Free scripts that show the cool things you can do with the OnMouseOver function.
   http://www.shivbasu.com/jsdzigns.html

qForms
   JavaScript API for interfacing forms. [Open source, GPL]
   http://www.pengoworks.com/index.cfm?action=qForms

yCode
   Proposes JavaScript/DHTML controls to extend existing HTML control set including ComboBox, SpreadSheet, Spin, Scrambler. [Commercial]
   http://www.ycode.com/