These sites solve at least one problem really well and they all have simple web addresses(URLs) that you can easily memorize thus saving a trip to Google.
11. followupthen.com – the easiest way to setup email reminders.
21. viewer.zoho.com – Preview PDFs and Presentations directly in the browser.
31. iwantmyname.com – helps you search domains across all TLDs.
41. whichdateworks.com – planning an event? find a date that works for all.
51. kuler.adobe.com – get color ideas, also extract colors from photographs.
52. liveshare.com – share your photos in an album instantly.
53. lmgtfy.com – when your friends are too lazy to use Google on their own.
54. midomi.com – when you need to find the name of a song.
55. bing.com/images – automatically find perfectly-sized wallpapers for mobiles.
56. faxzero.com – send an online fax for free – see more fax services.
57. feedmyinbox.com – get RSS feeds as an email newsletter.
58. ge.tt – quickly send a file to someone, they can even preview it before downloading.
59. pipebytes.com – transfer files of any size without uploading to a third-party server.
60. tinychat.com – setup a private chat room in micro-seconds.
61. privnote.com – create text notes that will self-destruct after being read.
62. boxoh.com – track the status of any shipment on Google Maps – alternative.
63. chipin.com – when you need to raise funds online for an event or a cause.
64. downforeveryoneorjustme.com – find if your favorite website is offline or not?
65. ewhois.com – find the other websites of a person with reverse Analytics lookup.
66. whoishostingthis.com – find the web host of any website.
67. google.com/history – found something on Google but can’t remember it now?
68. aviary.com/myna – an online audio editor that lets record, and remix audio clips online.
69. disposablewebpage.com – create a temporary web page that self-destruct.
70. urbandictionary.com – find definitions of slangs and informal words.
71. seatguru.com – consult this site before choosing a seat for your next flight.
72. sxc.hu ? download stock images absolutely free.
73. zoom.it – view very high-resolution images in your browser without scrolling.
74. scribblemaps.com – quickly create custom Google Maps online.
75. alertful.com – quickly setup email reminders for important events.
76. picmonkey.com – Picnik is offline but PicMonkey is an even better image editor.
77. formspring.me – you can ask or answer personal questions here.
78. sumopaint.com – an excellent layer-based online image editor.
79. snopes.com – find if that email offer you received is real or just another scam.
80. typingweb.com – master touch-typing with these practice sessions.
82. timerime.com – create timelines with audio, video and images.
83. stupeflix.com – make a movie out of your images, audio and video clips.
84. safeweb.norton.com – check the trust level of any website.
85. teuxdeux.com – a beautiful to-do app that looks like your paper dairy.
86. deadurl.com – you’ll need this when your bookmarked web pages are deleted.
87. minutes.io – quickly capture effective notes during meetings.
88. youtube.com/leanback – Watch YouTube channels in TV mode.
89. youtube.com/disco – quickly create a video playlist of your favorite artist.
90. talltweets.com – Send tweets longer than 140 characters.
92. builtwith.com – find the technology stack of any website.
93. woorank.com – research a website from the SEO perspective.
94. mixlr.com – broadcast live audio over the web.
95. radbox.me – bookmark online videos and watch them later (review).
96. tagmydoc.com – add QR codes to your documents and presentations (review).
97. notes.io – the easiest way to write short text notes in the browser.
98. ctrlq.org/html-mail – send rich-text mails to anyone, anonymously.
99. fiverr.com – hire people to do little things for $5.
100. otixo.com – easily manage your online files on Dropbox, Google Docs, etc.
If you know of any sites which i did not list above that’s worth mentioning , tell us about it.