Remindeo
Never forget that important date every again with this free reminder service from Remindeo. The interface is intuitive and easy-to-use, allowing you to enter dates for virtually any appointment, event, or task. Text messages or e-mails can also be scheduled to provide additional notification, although a small fee is required for the text message service (e-mail alerts are free but advert-supported unless you upgrade). An iPhone application is available to download free of charge.

ManageMyAlerts
Do you have trouble remembering important dates and occasions? If so, be sure to check out this free reminder service. ManageMyAlerts is a simple and effective method to create reminder alerts for birthdays, anniversaries, appointments, etc. It takes less than a few minutes to join and you'll be able to create, delete and edit alerts as you wish, directly via your Web browser.

Myreminders.co.uk
This free reminder and calendar service is one of the best we've seen. The intuitive interface at Myreminders allows you to easily manage birthdays, appointments, anniversaries and other events. You are able to quickly gain a snapshot of upcoming appointments and can manage contacts and customise your calendar with a range of different options. The service even suggests suitable gifts for him or for her.
DateReminder.co.uk
This is a handy and reliable UK-based free reminder service that allows you to remember important dates, such as birthdays, anniversaries, parties and the like. Once registered and after some simple configuration, the service will e-mail you a reminder two weeks in advance and draw your attention to the dates you are due to attend. You may configure as many reminder alerts as you wish.
StickyPad
If you find it difficult to remember important meetings or occasions, this freeware tool will help to solve all your problems. StickyPad allows you to place virtual sticky notes on your computer desktop, thereby saving lots of space on your real office desk. The program includes a number of useful features, most notably the ability to instantly e-mail your reminders to colleagues. StickyPad contains no spyware, advertisements or viruses.
Dates2Remember.co.uk
Do you regularly forget appointments or important dates? Dates2Remember is a fantastic free electronic reminder service that sends you or your friends reminders of important events and will also suggest appropriate gifts for the occasion. Once registered, you will receive a personalised home page, which features news, horoscopes and gossip.
Birthday Alarm
This site provides a free reminder service, along with free digital greeting cards. Contrary to its name, Birthday Alarm is useful for remembering far more than just people's birthdays. It's ideal for remembering other important events, too, such as work holidays, your social occasions, visits to the doctors, and more. Here, you'll also find an online shop selling flowers.
MyBookmarks.com
Here's our favourite free bookmark manager. MyBookmarks.com is a clean, easy-to-use site with immense functionality beneath. They allow you to keep track of your browser bookmarks at one online location, so you can access them from anywhere. The three most popular browsers are supported here - you are able to import your favourites from Mozilla, IE and AOL.
Yahoo! Calendar
A solid free calendar service from the Internet portal giant, Yahoo! As with most Yahoo! services, unless you already have an account with them, you will need to complete a free registration form. This service allows you to share your calendar with your friends or customers, keep a check on your appointments from any computer and will also act as a reminder service.
BigDates Screensaver
A free reminder service in the form of a fun and colourful screen saver, featuring an assistant called Dottie, who manages your personalised calendar. Using the BigDates screen saver, you can keep track of all your important events throughout the year. The program is completely free to download but only functions on the 1024x768 screen resolution.
Memo To Me
This rather simple, but friendly site can be a useful tool when you've got a busy schedule. Once configured, it will send you a reminder via e-mail and notify of any important dates, birthdays, appointments, anniversaries, events, etc., in your diary. Registering at Memo to Me is a fast, straight-forward process and navigating the site is very much the same.
Remember It
Offers reminder services in the form of an e-mail note and is ideal for remembering birthdays, anniversaries, special events or even doctors appointments. This can sometimes be better than a diary, but is no use if you don't regularly check your e-mail account. Once registered with the site, you can obtain your free membership and gain access to your Remember-It control panel.