Run a full diagnostic helps maintain the site in good condition, to correct any errors and to improve its performance. Online there are many of free services about web analysis and diagnostic, and this is one of the most complete solutions: Website Diagnostics, it gives informations about robots.txt file, Google Website Information ( penalized or not ), indexed pages, linking, indexing, server, ranking information.
If it is the case that you run a site that show most of all videotutorial, you will undoubtedly need a program, preferably free, to create and manage your videos. Krut Computer Recorder [Krut Computer Recorder is a tool develope to record audio and video from your computer screen into .mov and .wav files], CamStudio [CamStudio is able to record all screen and audio activity on your computer and create industry-standard AVI video files and using its built-in SWF Producer can turn those AVIs into lean, mean, bandwidth-friendly Streaming Flash videos (SWFs)] or the already mentioned in this blog Debut Video Capture Software [Debut Video Capture free version record videos in many different file formats including avi, wmv, flv, asf, mpg, 3gp, mp4, mov and more. Record from your webcam, screen or video input device (eg. VHS recorder).Record almost anything - anything you can see on your monitor can be recorded].
Now suppose instead that you need to translate a few lines of text in a language almost unknown to you, panic! No, online there are tons of translators, but not all of them are so professional like a human being (in some cases it is the opposite, but that's another talk). Babylon is a service very professional and useful, but it's not free. An valid alteranative, for free, is Google translator service, whereas, a very good alternative is NiceTranslator [Nice Translator is the fast, easy to use online translator designed with simplicity in mind].
Free altervative to Adobe Dreamweaver and Office FrontPage? Supposing that, you do not have ideas but do not want to follow the advice of others because you believe that everyone has their needs and skills. You can go to AlternativeTo and check for free alternative of Dreamweaver, for example. Never heard about Notepad++? Notepad++ is a free web pages editor, workinkg in MS Windows, which supports several programming languages.