Let's face it, sometimes we all have a little trouble staying organized. Whether it's misplacing a document on the computer, forgetting a chore or appointment, or completely blanking out on our E-mail password, we all have those days where we just can't get it together. Thankfully, there are apps out there to help even the most scatterbrained among us stay on top of things. Here's just a few apps that can help get your documents, your appointments, and yourself, organized.

Evernote

One of the most convenient apps out there, Evernote helps keep track of all your notes, webpages and documents. It's extremely easy to use and navigate, and the ability to look up your notes by tags or keywords is extremely helpful .But my favorite feature of Evernote is how it seamlessly syncs up all of your information across multiple devices. From your phone, to your tablet, to your computer, Evernote is completely free and is one of those must-have applications that everyone should have.

Dropbox

If you have tons of files and nowhere to put them, Dropbox is just what you need. When you sign up for Dropbox, you're given a virtual "box" that you can put just about anything in: music, videos, pictures, any and every kind of file you can think of. From there, it's easy to send your files anywhere, from your computer at home to your friend's computer halfway across the country. A free account with Dropbox will get you 2 GBs of storage space, which should be more than enough for most of your computing needs.

LastPass

I talk a lot about passwords and how important it is for them to be strong and secure. I also harp on how you should never use the same passwords for multiple accounts online, as that's just asking for trouble. But for those of you who have trouble remembering all of those passwords, an app like LastPass is just what you need. This free app will safely and securely store all of your passwords, meaning you'll only have to remember one password (the one you use for LastPass) to have access to all your passwords. It also works for online form information and works across almost all browsers and devices.

Clear

Never underestimate the power of a simple to-do list. And you can think of Clear as the to-do list of the 21st century. It's super-easy to use, and the interface is intuitive, no-nonsense and perfectly simple. Just put your tasks on the list, then swipe them off-screen when you're done. Easy as that.  Sometimes the simplest apps really are the best.