Digg  Digg is a place for people to discover and share content from anywhere on the web. From the biggest online destinations to the most obscure blog, Digg surfaces the best stuff as voted on by our users. You won’t find editors at Digg — we’re here to provide a place where people can collectively determine the value of content and we’re changing the way people consume information online. Diigo.  This is a social bookmaking/networking tool.  Diigo provides a browser add-on that can really improve your research productivity. As you read on the web, instead of just bookmarking, you can highlight portions of web pages that are of particular interest to you. You can also attach sticky notes to specific parts of web pages. Unlike most other web "highlighters" that merely clip, Diigo highlights and sticky notes are persistent in the sense that whenever you return to the original web page, you will see your highlights and sticky notes superimposed on the original page. Goodreads Goodreads is the largest social network for readers in the world. We have more than 5,300,000 members who have added more than 160,000,000 books to their shelves. A place for casual readers and bona-fide bookworms alike, Goodreads members recommend books, compare what they are reading, keep track of what they've read and would like to read, form book clubs and much more. Goodreads was launched in December 2006. Google Bookmarks  Google Bookmarks is a free online bookmark storage service, available to Google Account holders. It allows one to bookmark favorite websites and add labels or tags, and also notes. Users can access their bookmarks from any computer by signing in to their Gmail account. The bookmarks are searchable, and searches are performed on the full text of the bookmarked pages, not just the labels and notes. Pinterest A content sharing service that allows members to "pin" images, videos and other objects to their pinboard. Also includes standard social networking features ...  Social Bookmarking in Plain English

Blogging / Bookmarking Tools: From EdTech Toolbox

Blogger is a free blogging platform by  Google.

Blog Booker - turn your blog pages into a real book

Corkboard - create an online corkboard to collect images, text, video or even music

Diigo allows you to access and share your bookmarks from anywhere. 

Digg - social bookmarking

Edmodo is a micro-blogging service (like Twitter) for teachers and students. Use it with your students to share information, set and collect assignments and much more. based on, Edublogs is a hosted blogging platform designed for education.

Edutopia - Empowering and connecting teachers, administrators, and parents with innovative solutions and resources to better education.

Edweb - teacher based blog platform for professional networking

ePals - create cultural classroom exchanges with ePals email and blogs

Facebook can be used to set up groups and provide your students with updates about your subject or department. 

Filezilla is a very useful desktop application that allows you upload content to your web pages or blogs using FTP (File Transfer protocol).

AuthorSTREAM allows you to publish and share your PowerPoint presentations. It also allows you to download published presentations as videos.

Instacomment - comments box for your posts, wiki, webpage or blog

MediaWiki - install and maintain an infinite number of wikis. Because it requires server-side installation, you may find it less complicated to get your school to install it for you.

Ning allows you to create private social networks. Use it to communicate and share resources with your colleagues and students. 

PBWorks (previously known as PBWiki) allows you to create wikis for your classes. Its education edition focuses on safety and collaboration.

Penzu - online journal site use for both teachers and students

Read It Later - App to download - Save your information for reading later - integrated into many popular applications and platforms you may already use.

ShareTabs is a simple and efficient way to share links with pupils/students or colleagues. Send one single personalised url containing all your links conveniently displayed in tabs.

Slideshare allows you to upload and share your PowerPoint presentations. Presentations can then be embedded into blogs or wikis.

Speedymarks - visual bookmarks

Spurl - online social bookmarking service & search engine

Storybird helps you or your pupils to create short, visual, digital stories which can then be shared and embedded into blogs and wikis.

Tumblr is a blogging platform that allows you to post text, photos, links, music, and videos, from your browser, phone, desktop or email.

Tricki - maths blog

Twiducate is a Twitter-like (see below) micro-blogging service for schools.

Twitter is a micro-blogging service. Join the ever growing network of teachers and educators sharing their experiences and practice

Twitxr - share photos to multiple social networking sites