Tunes - Tuneflow

If you like Google Wave's real-time collaboration but not the interface or registration, check out TypeWith.me. It's a solid, simple, as-you-type document collaboration webapp with no sign-up required.

If you like to write but lack confidence in your skills, Paper Rater is a a free, web-based service that analyzes your writing and offers feedback on your grammar, spelling, and more.

If you've ever had a friend send you a link that you just weren't sure about, webapp Variably Safe For Work (semi-)safely previews the page before you actually visit it.

If you've got a yen for online journaling but aren't ready to expose your innermost thoughts to the world, Penzu is worth a look. It combines a slick blogging platform with solid privacy features, offering fine-grained control over who sees your writing.

Photos still look great for web-viewing even when they're at resolutions well below the optimal size for printing. Resize and resample your images down to a more reasonable size at Web Resizer.Photo by docentjoyce.

When you need to slice a piece of of an MP3 and you don't have time to mess around with downloading a new application and learning how to use it, MP3Cut offers dead simple and web-based MP3 snipping.

Sometimes the best way to make a tough decision is the tried-and-true pros and cons list. Web site ProConLists does the same pro versus con listing, but with item weighting based on rational and emotional considerations.(Click the image above for a closer look.)

The very definition of frustration: You and your significant other or roommate arrive home after work and discover you each remembered to stop for milk—but neither of you bought cat food. ZipList puts an end to uncoordinated shopping trips.UPDATE:Actually, the iPhone app is in the works and will be released "in the coming weeks."

When you're trying to set up a meeting with someone who's as busy as you, it's tempting to just flop open your datebook and say "pick a time when I'm free." MeetWith.Me lets you do that while keeping your appointment details private.

It can be awkward asking for honest feedback from the people around you, but knowing how others perceive us is important to self improvement. New service BetterMe helps you solicit advice from others without putting them on the spot.