Sypex Dumper is an open source web application for creating instant or automated backups of MySQL databases.

It is built with PHP, has an Ajaxed interface & can restore databases as well.

The application can work with gb-level huge databases as it easily bypasses the timeout limits of PHP by pausing/starting backup jobs.

Sypex Dumper can optionally check, optimize & repair tables or automatically delete older backups to save space.

It has support for file compression (Gzip and Bzip2) & offers a multilingual interface.

Almost every web designer/developer, one way or another, faces data loss & experiences the importance of taking regular backups.

Backup2Mail is a free PHP script which easily prevents this problem by automatically backing up MySQL databases & e-mailing them to a given address.

It requires PHP 4.1+ to run & for scheduling the script, cron jobs (Unix/Linux) or a scheduled task interface (Windows) is required.

siwapp is an open source web application, built with PHP (Symfony), that enables anyone to create & manage invoices with ease.

The application has a slick interface & provides a simple usage to create professional-looking invoices.

Some features of siwapp:

• invoices with different serial numbers can be managed
• invoices can be downloaded as PDF files
• periodical invoices can be created automatically
• & more

siwapp uses MySQL to store data & if you need periodical invoices to be e-mailed automatically, a scheduling system (like cron) must be used.

It can also work as a module (be integrated to other business management applications) with the API support.

Almost every Twitter user needs the ability of scheduling tweets. There may be a tweet that you need to send later or you may want to Tweet 7/24 but you must sleep as well .

Although there are web based services which enable you to schedule tweeting, you may not want to give your Twitter password.

Here comes ScheduledTweets. It is a 100% free web application to schedule your tweets that you can install into your web hosting account.

ScheduledTweets is built with PHP, uses MySQL to store the data & its interface is fully Ajaxed.

It enables you to define time-intervals which your tweets will be sent every x minutes. You can enter unlimited tweets, drag’n drop your tweets to change the order they will be sent.

Also, URL shortening service TinyURL is integrated for shorter tweets.

ScheduledTweets comes with a web-based friendly installer that helps you define database & Twitter information easily.

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