Liane CassavoyPCWorld

Liane Cassavoy is a veteran technology and business journalist. She contributes regularly to PCWorld and has written about business issues and products for Entrepreneur Magazine and other publications. She is the author of two business start-up guides published by Entrepreneur Press.

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Project management apps: Zoho, Podio, LiquidPlanner tackle tasks in unique ways

Projects and people differ, and so should project management apps. These three offer time, data, and collaboration tools with advantages over bigger-name competition.

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Project management apps: How three popular picks stack up

Whether you're a visual planner or a more straightforward list-maker, we've got the perfect project management app for you.

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These four file sharing apps offer speed, security and more

From your phone or your browser, you can make files accessible to multiple devices, colleagues or family members. Check out these apps for their special talents in sharing or security--but watch out for those subscription fees.

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Three time management apps use data analysis to conquer the clock

These apps do more than mark time. They help you see where your day's going and make better decisions about how you spend it.

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Post like a pro: Three social media apps for scheduling and more

Basic services are free, but the more advanced (and paid) apps offer more posting options and analytics, too.

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Free spreadsheet apps can show you the money, but paid versions spare you from ads

If you must look at a spreadsheet on a smartphone (prepare to squint!), these four free apps could work. Note that paid upgrades offer useful perks, and a fifth app we tried is well worth its small price.

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The best apps for freelancers

Invoicing, time-tracking, even legal help are all available on mobile apps geared to the self-employed or extremely small businesses. Some of them are even free.

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5 apps business travelers shouldn't leave home without

These travel apps help you plan routes, book flights, and even remember your socks.

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10 best mobile apps for students

These educational aids will turn your phone or tablet into your best study buddy.

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5 apps that keep you organized

From password lockers to productivity managers, these tools help you cut the clutter from your workflow.

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5 iOS apps to easily manage your Twitter account

Staying on top of your Twitter feed can feel like a full-time job. Let these iOS apps do some the heavy lifting.

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5 apps for mastering business meetings

From scheduling to presenting, these tools make meetings painless.

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Word wranglers: 5 apps that make writing easier

Whether you prefer typing or writing by hand, alone or in collaboration, these apps will help you get the words on the page.

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Texting apps for business users

End-to-end encryption, forensic wiping, and other features make these texting tools ready for professional use.

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5 unexpectedly useful apps

You probably didn't know you needed a color-coded goal manager or a dedicated email tracker. But once you try these apps, you'll wonder how you ever lived without them.