As compiled by the Telegraph:
TECHNOLOGY
1 Google
www.google.com
2 Anonymouse
www.anonymouse.org
Surf the web without disclosing who or where you are.
3 iLounge
www.ilounge.com
Hints, tips and troubleshooting for your iPod and associated software.
4 Only2Clicks
www.only2clicks.com
If you use just a few websites, this lets you create a home page that has links to them all. Simple, free and practical.
5 Zoho
www.zoho.com
A suite of free business programs. From word processing and presentation software to tools for taking notes in meetings, planning projects and creating databases.
6 Backpack
www.backpackit.com
To-do lists, notes, ideas and calendar. Excellent for juggling projects and much more versatile than a ring folder.
7 GetNetWise
www.getnetwise.org
All you need to know about keeping the net safe – protecting children, preventing spam, avoiding viruses and stopping others accessing your personal details.
8 DaFont
www.dafont.com
More than 7,500 free fonts (for Mac and PC), so you can at last stop using Copperplate for your party invitations.
9 Pando
www.pando.com
The superfast way to send large files over the web. Don't attach that family video to an email, Pando it instead.
10 FlipClips
www.flipclips.com
Turn your home videos into animated flip books. Much more appealing than another DVD.
ENTERTAINMENT
11 Digital Spy
www.digitalspy.co.uk
Entertainment, media and showbiz news. Plus, a surprisingly good forum for technology-related problems – a great place to sort out your broadband.
12 BBC iPlayer
www.bbc.co.uk/iplayer
On-demand television and radio programmes from the BBC.
13 Whatsonwhen
www.whatsonwhen.com
Events, attractions, openings and exhibitions from around the world. Enter a location and dates and the site will show listings.
14 London Theatre Guide
www.londontheatre.co.uk
What's coming on and what's making an exit in London's theatre world. Especially good for seating plans, so you can see where the box office staff are putting you.
15 The Internet Movie Database
www.imdb.com
The world's biggest (and still growing) reference for actors, directors, locations, plots…
16 Rotten Tomatoes
www.rottentomatoes.com
A round-up of what the critics thought of films on general release.
17 Screenonline
www.screenonline.org.uk
The British Film Institute's definitive guide to the British film industry. Plots, features, statistics and news from the film world.
18 Good Reads
www.goodreads.com
Expand your reading. Catalogue your books online and others make recommendations based on what you seem to enjoy.
19 TV Guide
www.tvguide.co.uk
News, features and listings for Britain's terrestrial and cable television. Customisable interface so your favourite channels are always at the top.
20 Football365
www.football365.com
The authentic (and often tangential) voice of the Britain's 'real' football supporters.
21 CricInfo
www.cricinfo.com
Everything you want to know about the world of cricket.
22 Beijing Olympics
en.beijing2008.cn
The official Olympics site, with news, scheduling, features and a countdown to the games themselves.
23 Radio Locator
www.radio-locator.com
From shock jocks to orchestral baroque, thousands of internet radio stations to listen to on your computer.
24 Live Plasma
www.liveplasma.com
Expand your music and movie tastes. Enter the name of a song, band, movie, actor or director you like and Live Plasma will return some pretty intelligent recommendations for further investigation.
25 Blinkx
www.blinkx.com
A clever way of searching for video clips on the internet – from uploaded episodes of your favourite soap to comedy home-video moments.
26 Lulu
www.lulu.com
Self-publishing made smart again. Write, design and then print your own books – though you'll still have to persuade others to buy them.
27 VideoJug
www.videojug.com
28 Wonder How To
www.wonderhowto.com
Two great sites full of short videos showing you how to do almost anything, from the incredibly useful (exercises for diabetes sufferers, tying a Windsor knot) to the revelatory ('learn different kinds of kisses'), via the wonderfully obscure ('make a moving jaw for your werewolf mask').
29 Instructables
www.instructables.com
DIY projects from zombie make-up to LED balloons. Excellent selection of rainy-day projects for bored children (and adults) at home.
30 Flash games
www.k2xl.com
Addictive series of Flash games including the hypnotically soothing Boomshine.
31 GameSpot
www.gamespot.com
News, reviews, hints and tips for virtually every console game on the market. Essential if you are still up at 2am trying to find a way into the castle on Zelda.
32 Anagrammer
www.anagrammer.com
Online anagram machine for Scrabble players and crossword enthusiasts. Also solves Sudoku.
ADVICE AND INFORMATION
33 Newsmap
marumushi.com/apps/newsmap
A wonderfully graphical – and customisable – display of news stories from around the world. Click on an item to see the full story.
34 The Eggcorn Database
eggcorns.lascribe.net
Continually updated guide to modern-day Malapropisms, misunderstandings and other manglings of language. From 'high dungeon' to 'wreckless driving', Eggcorn names the culprits and nudges them in the right direction.
35 Arts and Letters Daily
www.aldaily.com
World-class articles from intellectual and influential journals around the world. Browse the day's selections. Like The Week for eggheads.
36 Ask Philosophers
www.askphilosophers.org
The academy comes to cyberspace. A panel of mainly American and British philosophy scholars answers questions sent in by the public. Search the database, from Abortion to War, or send in a question of your own.
37 When Is
www.when-is.com
Shows you the dates of Jewish, Christian, Buddhist, Muslim, Hindu and American holidays from now to 2010.
38 Rhyme Zone
www.rhymezone.com
For when the muse has gone, a rhyme and synonym generator to help you towards the perfect mot. You can also search for Shakespeare quotations, biblical references and other literary inspirations.
39 Nationmaster
www.nationmaster.com
Giant but easily searchable database of statistics, maps and profiles for every country in the world.
40 Digg
www.digg.com
The people's approach to news and features, Digg brings together items from across the net, ranked according to how many people have felt them worth recommending. Sometimes a little techie-heavy, but excellent for discovering what the cyberworld is getting worked up about.
41 They Work For You
www.theyworkforyou.com
A powerful way of keeping tabs on MPs and peers: attendance records, voting patterns, recent statements and more.
42 Time Bank
www.timebank.org.uk
Volunteering opportunities for young people, sorted by region, interest, skills and need.
43 Wikipedia
www.wikipedia.org
Controversial, democractic and sometimes error-strewn encyclopaedia that has brought Darwinism to the world of knowledge. Make it your first port of call for looking something up. Just be sure to check somewhere else that what you find makes sense.
44 Wiktionary
www.wiktionary.org
Wikipedia's online multilingual dictionary. Immensely powerful and far less controversial than its encyclopaedic forebear.
45 Motley Fool
www.fool.co.uk
The original – and still the best – personal finance site on the web (the American version is at www.fool.com). For savers, borrowers, stock spotters and day traders, sound, independent advice that cuts through the jargon.
46 Martindale's 'The Reference Desk'
www.martindalecenter.com
From the arts, business, science and technology, a dry but authoritative conglomeration of data from around the world.
47 PubMed
www.ncbi.nlm.nih.gov/PubMed
Free and authoritative database of more than 17 million medical research papers. Not always easy to understand if you are not a medic, but a far better place to look for information than the random sites that come up on Google.
48 About.com
www.about.com
The internet's version of that clever uncle who always seems to know the answer to your questions. There are few subjects the site doesn't tackle, though the coverage can be superficial. A good starting point for idle research.
49 NHS Direct
www.nhsdirect.nhs.uk
Online information and advice about health and illness, run by Britain's National Health Service. The site includes a useful self-diagnosis tool that can reassure you that your hangover is not in fact meningitis.
50 Legal Services Shop
www.freelawyer.co.uk
General legal advice relating to housing, family law, employment, motoring, consumer issues and personal injury, plus wills, conveyancing and divorce. Good starting point to see where you stand. Will also, for a fixed fee, answer questions and put you in touch with a solicitor.
51 How Stuff Works
www.howstuffworks.com
Engaging encyclopaedia of the modern (and not so modern) world, with good illustrations and clear text. Can suffer sometimes from an 'it's amazing!' tone of voice..
52 XE
www.xe.com
Currency converter covering every world currency. Azerbaijan new manats to Cayman Island dollars? Just a click away.
53 Advice Guide
www.adviceguide.org.uk
Find where you stand legally with the Citizens Advice Bureau's online information resource.
54 Need2Know
www.need2know.co.uk
Advice and information for young people, including health and fitness, drugs, problems with bullying, how to study and applying for jobs.
55 Royal Horticultural Society
www.rhs.org.uk
Advice and suggestions from the world's leading gardening organisation. A good 'how-to' section and seasonal tips for the time of year.
56 Babelfish
babelfish.altavista.com
Automatic translation to and from most European languages and Chinese. The results are sometimes a little strange, but you will usually get your message across.
57 eHow
www.ehow.com
How to do just about everything, from getting stains off curtains to buying a second-hand car.
58 Eat the Seasons
www.eattheseasons.co.uk
Updated weekly, information, tips and recipe ideas on British seasonal food.
59 Age Concern
www.ageconcern.org.uk
Website of Britain's leading charity for the elderly, packed with advice about maintaining an active life.
60 Weather.com
www.weather.com
The queen of weather sites, with more information than you would possibly imagine you might need, from pollen counts to surf forecasts.
61 Uncyclopedia
uncyclopedia.org
Spoof Wikipedia-style encyclopaedia where nothing is true, but a good deal is very funny indeed. Idle away an afternoon or, even better, hone your comedy skills by making a contribution yourself.
62 Kiva
www.kiva.org
An easy way to lend small sums (from $25) to business projects in the developing world. Kiva keeps track of your investment, updates you on progress and repays your loan as the business grows.
63 Embarrassing problems
www.embarrassingproblems.co.uk
From bad breath and piles to cold sores and beyond, Dr Margaret Stearn dispenses invaluable advice.
HOUSE AND HOME
64 Noise Mapping England
www.noisemapping.org
Click on an area of the map to find out how noisy a street, or even a section of the street, is – handy for light sleepers planning a move. At the moment only London is mapped, but the rest of England will follow.
65 Prime Location
www.primelocation.com
One of the best sites for finding property. It is UK-based but has a good international presence.
66 Rated People
www.ratedpeople.com
User reviews on local tradesmen. You describe the job you need done and how quickly and suppliers contact you with quotes – with previous customers rating them.
67 Zoopla
www.zoopla.co.uk
Possibly the most dangerous site on this list, Zoopla gives sale prices of recently sold homes and – the tricky bit – estimates the value of the rest. We dare you not to look.
68 Money Saving Expert
www.moneysavingexpert.com
Subtitled 'Consumer Revenge', this is where you find the discounts, tricks and tips to save money. The weekly email is essential reading for canny consumers. It caters only for Britain, but every country should have one.
69 MetaEfficient
www.metaefficient.com
Practical guide to making your home more environmentally friendly, from low-flow showerheads to 12V lighting. US-based, but many of the products are available elsewhere.
70 Design My Room
www.DesignMyRoom.com
For budding Laurence Llewellyn-Bowens everywhere, it provides the ability to redecorate your home in cyberspace. Choose colours, furniture, accessories and finishes and then publish the results online.
71 Up My Street
www.upmystreet.com
Neighbourhood information based on postcode: schools, shopping and, juciest of all, how much the house down the road sold for recently.
72 Home For Exchange
www.homeforexchange.com
One of many sites where you can swap homes with someone else for a period. This is less cluttered than some of the others and has a good geographical spread.
73 SimplySwitch
www.simplyswitch.com
The fast way to compare utility suppliers and other services, from broadband to home insurance. Enter your postcode and the site comes back with the best deals.
74 101 Cookbooks
www.101cookbooks.com
Enchanting recipe and foodie blog from a Californian cook who believes in good food. Subscribe to the email alert service and transform your cooking repertoire.
SOCIAL
75 Facebook
www.facebook.com
The most grown-up (just) of the social-networking sites that are fast taking over the world. Excellent for staying in touch with far-flung friends, though pretty good too for re-establishing contact with those you hoped you had lost.
76 WordPress
www.wordpress.com
The quickest and easiest way to create a blog of your own.
77 Ringsurf
www.ringsurf.com
Like an online Mothers' Union meeting (though sometimes a little more risquRingsurf is a chatroom where people exchange ideas about anything from politics to relationships. The quality is not always high, but users have been known to discover new (real-life) friends with interests they thought no one would share. A tribute to the information-sharing capability of the net.
78 bubbl.us
www.bubbl.us
Organise your thoughts by creating mindmaps online and sharing them with others.
79 Technorati
www.technorati.com
An intelligent, intuitive and inspiring way to read entries from some of the millions of blogs that dot the internet. You can browse by subject or area of interest, read the postings that are catching the world's attention and bookmark blogs that catch your attention. And if you want to join in…
80 Flickr
www.flickr.com
The website you graduate to once you've discovered how to put your holiday snaps on the net. Here, everyone's photos are linked by using tags, such as 'Spain', 'beach' or 'happy', which sets you off on an exploration of others' uploads.
81 BabyCentre
www.babycentre.co.uk
There are plenty of great parenting forums out there – Netmums, Mumsnet – but this is still the best source of considered, authoritative, often soothing advice on everything from colic to tax credits.
82 Friction TV
www.friction.tv
YouTube for debaters. Upload a short video about an issue close to your heart and others reply in kind or by text.
SHOPPING
83 GiftGen
www.giftgen.co.uk
Gift ideas for when you can't think what to buy someone. You enter their age, sex and interests and how much you want to pay and it scours the net for ideas.
84 eBay
www.ebay.co.uk
Online shopping for (nearly) everything you might want to buy. The original auction formula is still going strong, but plenty more features have been added since it began. Take a look at non-UK sites, such as ebay.fr and ebay.de, too, for bargains others may have missed. The layout is the same even if you don't speak the language.
85 Who What Wear Daily
www.whowhatweardaily.com
Fashion tips, advice and suggestions. Includes Ask a Stylist for those tricky co-ordination problems and a What Was She Wearing? inquiry service to help you track down your favourite celebrity's fashion choice.
86 Gumtree
www.gumtree.com
Unabashedly straightforward classified ads site, for everything from new homes to online romance.
87 AbeBooks
www.abebooks.co.uk
The Amazon of the second-hand book world. More than 13,500 booksellers selling 110 million books. If it's not here, it's not worth looking for.
88 Kelkoo
www.kelkoo.co.uk
There are plenty of price-comparison sites on the web, but this one seems to get it right more often than most. Type in what you want to buy and Kelkoo will come back with the cheapest prices it can find.
89 Endgadget
www.engadget.com
A (digital) finger on the pulse of the technology world. All the newest developments, discoveries, gadgets and toys – before they hit the shops.
90 Cork'd
www.corkd.com
Discover more about wine by reviewing what you've enjoyed and receiving tips and suggestions from others.
91 I Love Jeans
www.ilovejeans.com
Find the right jeans for your fit before you even leave home. A cheeky but revealing 'body type' guide takes you straight to the brand you should be trying. Search by style, body type or brand. Women only.
TRAVEL
92 Sky Scanner
www.skyscanner.net
Monitors prices and destinations for all the low-cost airlines so you just type in where you want to go and when to find the best deal.
93 The Man in Seat 61
www.seat61.com
Routes, tickets, tips and advice – the only guide you need to travelling by train from Britain to Europe and the rest of the world.
94 Walk It
www.walkit.com
Online pedestrian routefinder for London, Birmingham, Newcastle and Edinburgh that shows you the best route to walk from A to B. Includes calorie counter, CO2 savings and points of interest on the way. Other cities coming soon.
95 Transport for London Journey Planner
journeyplanner.tfl.gov.uk
Indispensable and almost always spot-on guide to negotiating the capital's public transport system. You enter your starting point and destination and it gives you the best bus, tube, cycle and even boat routes to get you across town.
96 ViaMichelin
www.viamichelin.com
A hi-tech hark-back to the days of leisurely motoring. ViaMichelin gives you maps, routes and directions throughout Britain and continental Europe with added panache. The maps have a pleasant printed quality about them and, naturally enough, your route is accompanied by gastronomic highlights to be found along the way. There's also information about destinations.
97 Carbon Neutral
www.carbonneutral.com
Information on your carbon footprint and how to cut it down. Includes an online calculator to measure your effect on the world.
98 Expedia
www.expedia.com
Excellent all-round travel site. Use it for good prices on flights and holidays, but click on 'Destinations' for some well-researched and up-to-date travel guides.
99 SeatGuru
www.seatguru.com
Aircraft seating plans, showing you the prime seats, possible annoyances and seats you should avoid.
100 Airline Meals
www.airlinemeals.net
A consumer guide to what you can expect to eat on board. There are news and features from the airline catering world, but the best part is a gallery of photos of on-board meals sent in by passengers and listed by airline.