What is the best free source code editor program to be used for web programming?

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I'm new on web programming, I'm currently studying php, mysql, javascript, and jquery. I'm using the freeware notepad++ on windows and geany on linux. I like these two programs, but I wonder if there's a freeware program that has the auto complete function of geany, and the start and end tag locator of the notepad++. Geany has a start and end locator too but it only locates the brackets and parenthesis unlike notepad++, it locates the start and end tag of the code for example when i click a 'tr' tag it could highlight it's end tag '/tr' which is good when debugging a web program. Do you know of a program that has the both function or even an additional function that doesn't include with these programs that is essential to debug a web program? Thank you!