I viewed each of the jQuery plugins in the jQuery plugins repository. I couldn't believe how many there were! So I decided to make this master list to weed out any plugins that were either broken or I didn't find any practical application for. You will notice I added, "EXCELLENT" to the plugins that I thought were exceptional.

  • Accessibility Stylesheet and text size switcher.
  • Accordion Accordion interface with a few variations.
  • AlphaNumeric Prevent users from inputing special characters.
  • Ajax File Upload Loading graphic displays while file is uploaded.
  • appendDom Write HTML with JavaScript, great for displaying Ajax results.
  • appendText Converts text into post friendly html.
  • blockUIEXCELLENT Create a message overlay while blocking user interaction on elements or the entire page.
  • BogoFolders View text through a 'file menu' interface.
  • BogoTabs Basic tabbed interface.
  • Bubble Demo highlights selected table rows in groups of tables..
  • Calendar Aids date entry.
  • Checkbox manipulation Select, unselect and toggle checkboxes.
  • ChiliEXCELLENT Syntax highlighting for displaying code on webpages.
  • Choose Component Select data from a table row through a modal window.
  • Click Menu Generates dropdown menus.
  • clueTip Tooltips with many variations.
  • Color Animations Add color animations to div backgrounds.
  • Color Picker Pass in color choices and attach custom events to each color block.
  • columnHover Highlight table rows and columns.
  • columnManager Add, remove and toggle table columns.
  • ContextMenu - Menus that show when you right click specified elements.
  • Confirmer Adds a listener to check if user confirms their action.
  • CycleEXCELLENT Add flash-like image effects to rotating image galleries.
  • date picker Aids date entry.
  • Delicious Read delicious bookmarks from a user to display on a webpage.
  • Dimensions Get accurate window and document attributes across browsers.
  • Equalize Columns Make columns the same height as the longest column.
  • FCKEditor Plugin Adds a rich text editor to a textarea.
  • Field Expand the ability to retrieve and set values in forms.
  • FormEXCELLENT Change HTML forms to submit via Ajax.
  • Gallery Viewer JavaScript image gallery.
  • getUrlParam Function to get url parameters.
  • Google Feed Plugin Display any RSS feed to a webpage.
  • Gradient Adds a gradient to a div without needing an image.
  • Grid Column Sizing Table column draggable resizing.
  • Grid Row Sizing Expand and collapse table rows.
  • hoverIntent Prevents unintended hover events.
  • idTabs Add tabbed interface to a website.
  • Impromptu Create modal windows and messages.
  • jQuery Localisation Applies localisation packages based on the user's language preference.
  • jBox UI dialog widget.
  • jCalendar Aids selecting of dates inline on a page.
  • jCarousel Lite Simple carousel for images and HTML content.
  • jCodeViewer Syntax highlighting for displaying code on webpages.
  • jdMenu Hierarchical Menu Generates dropdown menus.
  • jEditable Live editing of elements on a webpage.
  • jFeed XML feed parser.
  • jPanView Replaces big images with a zoom viewer in HTML.
  • jqDnR Drag'n'Resize elements on a page.
  • jQMaps Interact with Google maps.
  • jqModal Display notices, dialogs, and modal windows in a web browser.
  • Treetable Make a tree view out of an HTML table.
  • Tree ViewEXCELLENT Tree view controls.
  • Suggest Add autocomplete to input fields.
  • YAV Form validation library.
  • jqUploader Provides a status bar for uploading images.
  • jScrollPane Customize your scrollbars.
  • jTagEditor EXCELLENT Turn a textarea into a tag editor.
  • jVariations Create a control panel to manipulate elements on a page.
  • Keyboard Navigation Dynamically determine which element to focus on based on it's position on the screen.
  • labelOver Overlay labels over an input field.
  • LavaLamp Navigation menu with a 'lava' effect.
  • Lazy Load Only load images that are in the current window.
  • Live Query Adds event listeners to elements.
  • Masked Input Add mask to inputs to aid user data entry (phone numbers, etc).
  • Media EXCELLENT Unobtrusive conversion of standard markup into rich media content.
  • Extra selectors for JQuery Add more selectors to jQuery.
  • Mousewheel Mousewheel event handler.
  • Mousehold Event Add repeating event as the user holds down the mouse.
  • Multiple File Upload Select multiple files one by one as it adds to a queue list.
  • newsticker Create a fading news ticker.
  • Password Strength Meter Indicator to show the strength of a users password.
  • PopupWindow Creates an preview popup of destination link.
  • Query String Object Useful for sending URL parameters.
  • Select box manipulation Remove and add options from a select list or dropdown in many ways.
  • selectCombo Tool for making dependant dropdowns with Ajax.
  • Star Rating Generates star rating from input fields
  • Grid Dynamic ajax grid control.
  • slideViewer Image gallery as slides.
  • Spoilers Hide content behind an image until user action is taken.
  • tableHover Row and column highlighting with variations.
  • tableFilter Search box is added to each column header to filter table.
  • tablesorter Client side table sorting.
  • Taconite EXCELLENT Easily make multiple DOM updates using the results of a single AJAX call.
  • Textgrad Add gradients to whole blocks of text.
  • Time Entry Sets an input field up to accept a time value.
  • Tooltip Add tooltips from title page.
  • Validation EXCELLENT Add live validation to forms.
  • WYMeditor EXCELLENT Web-based XHTML WYSIWYM editor.
  • Zoomi Zoomable thumbnails.
  • XSLT Transform XML/XSL from JavaScript.
  • XAP Ajax library.

转自：http://marcgrabanski.com/article/list-of-useful-jquery-plugins