domenica 7 giugno 2009

20 estensioni per Firefox

Maria Susana Diaz | 00:20 |
Le estensioni Mozilla sono piccoli add-on (programmi supplementari) che permettono di aggiungere funzionalità ad alcune applicazioni Mozilla:

* Mozilla Firefox, un browser web
* Mozilla Thunderbird, un client di posta elettronica
* Mozilla Sunbird, un'applicazione per la gestione di calendari
* SeaMonkey, una suite per la navigazione su Internet

Queste estensioni possono essere utilizzate anche con altre applicazioni basate sulla stessa tecnologia:

* Netscape Browser, un browser web
* Flock, un browser web
* Nvu, un editor di pagine HTML

Le funzionalità possono andare da una semplice toolbar che consente la ricerca di informazioni su Internet ad una nuova caratteristica più complessa, come può essere quella degli effetti sui singoli tab. Lo scopo principale delle estensioni è, quindi, quello di personalizzare la propria versione delle applicazioni Mozilla.

Le estensioni nel dettaglio

Ogni estensione è costituita da diversi componenti è può essere riferita utilizzando un indirizzo chrome. Essa organizza i suoi contenuti in una struttura di directory ben precisa, nella quale ogni file con una specifica funzionalità va collocato in una particolare directory. Ogni estensione è poi accompagnata da un file RDF di nome install.rdf, che contiene i dati dell'estensione, come il suo ID, la sua versione, il suo autore e la sua compatibilità con l'applicazione Mozilla interessata.

Sviluppo delle estensioni

Grazie alla struttura delle applicazioni Mozilla ed alle loro caratteristiche, le estensioni possono essere scritte e sviluppate da chiunque: per sviluppare un'estensione, infatti, basta conoscere XML User Interface Language (XUL) e Javascript.
La prima operazione da effettuare per sviluppare una propria estensione è quella di utilizzare XUL per definire l'interfaccia grafica della propria estensione e per modificare l'interfaccia dell'applicazione che la ospita. In questo senso, è possibile aggiungere alle applicazioni Mozilla semplici pulsanti, barre di ricerca o, addirittura, interi menù. Risulta chiaro, quindi, come questi prodotti siano altamente personalizzabili.

Una volta definita l'interfaccia grafica della propria estensione, è possibile definire e sviluppare le operazioni che l'utente può effettuare attraverso i controlli dell'interfaccia grafica dell'estensione, utilizzando il linguaggio di scripting Javascript. Con questo linguaggio, che per altro è già molto utilizzato nei siti web, è possibile fare qualsiasi tipo di operazione, dalla ricerca di informazioni all'interazione con un sito web, alla semplice apertura di una pagina del browser.

Una volta completato lo sviluppo della propria estensione è possibile creare un pacchetto installabile (file XPI) per consentire agli altri utenti di utilizzare l'estensione sviluppata.



  • Xmarks (formerly Foxmarks)

    by Xmarks Inc.

    recommended

    Preview Image of Xmarks (formerly Foxmarks)

    1058 reviews

    135,803 weekly downloads

    Xmarks is the #1 bookmarking add-on. Install it on all your computers to keep your bookmarks and (optionally) passwords backed up and synchronized. Xmarks also helps you uncover the best of the web based on what millions of people are bookmarking.

    Add to Firefox

    Updated May 2, 2009

  • iMacros for Firefox

    by iOpus

    recommended

    Preview Image of iMacros for Firefox

    188 reviews

    66,488 weekly downloads

    Automate Firefox. Record and replay repetitious work. If you love the Firefox web browser, but are tired of repetitive tasks like visiting the same sites every days, filling out forms, and remembering passwords, then iMacros for Firefox is the solution you’ve been dreaming of! ***Whatever you do with Firefox, iMacros can automate it.***

    Add to Firefox

    Updated May 8, 2009

  • Tab Mix Plus

    by Gary Reyes, onemen

    Preview Image of Tab Mix Plus

    743 reviews

    57,822 weekly downloads

    Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

    Add to Firefox

    Updated October 19, 2008

  • Speed Dial

    by Josep del Rio

    recommended

    Preview Image of Speed Dial

    467 reviews

    57,696 weekly downloads

    Direct access to your most visited websites

    Add to Firefox

    Updated April 4, 2009

  • StumbleUpon

    by StumbleUpon

    recommended

    Preview Image of StumbleUpon

    266 reviews

    55,215 weekly downloads

    StumbleUpon discovers web sites based on your interests, learns what you like and brings you more.

    Add to Firefox

    Updated April 22, 2009

  • FoxSaver

    by chrislusf

    recommended

    Preview Image of FoxSaver

    71 reviews

    36,589 weekly downloads

    Turns Idle FireFox into a ScreenSaver and Photo Viewer! Nice non-offensive pictures updated daily! Or your own pictures. FullScreen. Works great on Linux or dual monitors! Resouce Efficient! Support Media RSS. Recommend your own favorite pictures!

    Add to Firefox

    Updated May 12, 2009

  • Interclue

    by The Interclue Team

    recommended

    Preview Image of Interclue

    98 reviews

    35,236 weekly downloads

    Ever wanted to know what was behind the link before you clicked? Interclue tells you everything you need to know before you open yet another tab.

    Add to Firefox

    Updated January 5, 2009

  • Google Toolbar

    by Google

    recommended

    Preview Image of Google Toolbar

    11 reviews

    33,871 weekly downloads

    Take the power of Google with you anywhere on the Web

    Add to Firefox (Linux)

    Updated April 28, 2009

  • Fast Dial

    by telega

    Preview Image of Fast Dial

    1554 reviews

    31,076 weekly downloads

    Visual bookmarks.

    Add to Firefox

    Updated January 11, 2009

  • Brief

    by Adam Kowalczyk

    recommended

    Preview Image of Brief

    148 reviews

    23,414 weekly downloads

    Brief makes reading RSS feeds as easy and intuitive as it gets. Designed to have exactly the right set of features, it is powerful and simple at the same time. Feeds are presented on a seamless, interactive page which let's you bookmark and tag items with a single click.

    Add to Firefox

    Updated June 16, 2008

  • Shareaholic for Firefox

    by The Shareaholic Team

    recommended

    Preview Image of Shareaholic for Firefox

    87 reviews

    21,593 weekly downloads

    Shareaholic is simply the quickest and best way to share, e-mail, bookmark, and blog links. The ultimate tool for the link sharing addict! If you use sites like Facebook, Twitter, MySpace, Digg, Gmail, LinkedIn, etc you'll likely love this add-on.

    Add to Firefox

    Updated June 6, 2009

  • Multirow Bookmarks Toolbar

    by White Alice0775

    recommended

    Preview Image of Multirow Bookmarks Toolbar

    56 reviews

    21,230 weekly downloads

    Multi Row Bookmarks Toolbar. Version 3.0 or more does not work on "MacBook Air Leopard 10.5.5 ". Please use Version 2.9 with "MacBook Air Leopard 10.5.5 ".

    Let me install this experimental add-on. What's this?

    Add to Firefox (Linux)

    Updated May 20, 2009

  • SmarterFox: Browse Faster

    by yongq

    recommended

    Preview Image of SmarterFox: Browse Faster

    50 reviews

    18,959 weekly downloads

    Browse faster by speeding up common tasks. SmarterFox helps you with finding information, visiting your favorite sites, copy & paste, and more.

    Add to Firefox

    Updated June 2, 2009

  • Infoaxe: Full Text Web History Search synchronized between Firefox, IE on multiple computers.

    by Infoaxe, Inc.

    Preview Image of Infoaxe: Full Text Web History Search synchronized between Firefox, IE on multiple computers.

    16 reviews

    17,677 weekly downloads

    Every page that you browse on the Web is searchable across Firefox and IE across all the computers you use. You therefore never have to bookmark a page again! You can see results from your web memory both at infoaxe.com and while searching on Google (on the right side of the Google Search Results page). Infoaxe crawls and allows you to search only publicly viewable webpages, so authenticated webpages like email, facebook, bank accounts etc. are never added to your web memory.

    Add to Firefox

    Updated May 28, 2009

  • Peers - Instant Search

    by The Peers Bros.

    recommended

    Preview Image of Peers - Instant Search

    32 reviews

    13,409 weekly downloads

    Accelerate your search by real-time previewing results and suggestions in your Search Bar and Location Bar as you type. Quickly select favorite search engines for Site Search using keywords.

    Add to Firefox

    Updated June 3, 2009

  • Read It Later

    by Idea Shower

    recommended

    Preview Image of Read It Later

    111 reviews

    12,948 weekly downloads

    Read It Later allows you to save pages of interest to read later. It eliminates cluttering of bookmarks with sites that are merely of a one-time interest.

    Add to Firefox

    Updated May 6, 2009

  • Glue

    by AdaptiveBlue

    recommended

    Preview Image of Glue

    208 reviews

    12,749 weekly downloads

    Glue connects you with friends around things you visit! Glue automatically appears on sites about books, movies, music, restaurants, stocks, wine and more to show you friends who looked at the same things and tells you what they thought!

    Add to Firefox

    Updated April 20, 2009

  • Reframe It

    by Brian McKinney

    Preview Image of Reframe It

    35 reviews

    10,984 weekly downloads

    Comment anywhere on the web without the permission of a site. Reframe It lets you comment next to the text or images of any website. With it you can highlight comment and share you thoughts in context. Say what you want where you want to.

    Add to Firefox

    Updated May 12, 2009

  • gladder

    by gneheix

    Preview Image of gladder

    51 reviews

    10,020 weekly downloads

    A proxy tool works on a customizable sites list!

    Add to Firefox

    Updated March 6, 2009

  • Personal Menu

    by Merci chao

    recommended

    Preview Image of Personal Menu

    120 reviews

    8,525 weekly downloads

    "Menus Toolbar" item is now available in Toolbar Context Menu and you may hide it forever! So let's replace the conservative menus and gather all useful commands into a compact and tiny button!

    Add to Firefox

    Updated March 19, 2009


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