The Week in Mac Apps: ooVoo is your one-stop shop for group video chatting

This week’s roundup of new Mac Apps includes the latest update from group video chat platform ooVoo. Plus, cleanup utilities, image managers, and more. Read on!

Anystone Technologies’ $30 Anytune ( Mac App Store Link) helps musicians learn how to play their favorite songs, thanks to its user-friendly set of tools. After importing music directly from iTunes, you can slow down the tempo and adjust the pitch of any song to help you learn it. You can also share specific edited sections with your friends, and back up all of your settings to iCloud.

Pocket Bits’s $20 Disk Map Analyzer helps keep your Mac running at full speed by freeing up space on your hard drive.

Disk Map Analyzer scans all your available disks—both internal and external—and quickly identifies large and duplicate files that take up unnecessary space. All information is then presented in a visually-intuitive interface to help you decide which ones to keep or delete.

Defy Marketing’s $3 Fluid Browser is a browser designed to let you access your favorite online media without interfering with your other running applications.

Fluid Browser automatically resizes its window based on the website you’re accessing, and employs a minimalistic interface that maximizes the real estate dedicated to media display—meant to be displayed next to your primary. In addition to streaming videos from popular sites like Netflix and Hulu, you can also open PDFs, images, and other files by simply dragging and dropping them inside the app.

Romain Piveteau’s $7 LiveQuartz Photo Edit ( Mac App Store Link) lets you edit photos and images in minutes, thanks to its simple and straightforward editing tools. The app supports multiple layers and filter effects, and you can export your final work in a variety of standard formats like JPEG, TIFF, and PNG.

Brett Terpstra’s $14  Marked 2 ( Mac App Store Link) gives you a quick preview of any text file written with one of several popular markup languages.

Marked 2 automatically updates its previews as you change a tracked file, provides all kinds of useful real-time statistics and proofreading tools, and can render data using your own custom style or use one of nine built-in templates.

ooVoo Video Call, Text and Voice supports group video chats with up to 12 people, plus instant messaging, voice calls, and screen sharing.

You can add friends to the app via Facebook, Twitter, Gmail, and OS X’s own address book, and stop and resume your conversations at any time. Thanks to a companion app for iOS, you can stay in touch with all your contacts anywhere you (or they) go.

Creating beautiful paintings on your Mac has never been easier, thanks to Paintstorm Studio Developers’s $20 Paintstorm Studio ( Mac App Store Link), which has been designed with the need of professional artists in mind.

The app provides different brush sizes and textures, an adjustable full-color palette, and a full complement of editing tools for every need.

KeepSolid’s $20 Roadmap Planner ( Mac App Store Link) helps you to visualize your projects and achieve your goals using a variety of proven time management techniques.

The app supports a variety of templates to get you started quickly and efficiently, and allows you to create dependencies between different parts of your projects. You can also add notes and expected completion dates to keep track of your progress, and the app makes it easy for you to take a quick glimpse at your projects with a special presentation mode.

Tim and Gerry’s $10 TagNotate is a PDF browser that lets you annotate, tag, and categorize your documents.

The app includes a number of advanced search features that make quick work of filtering your documents by tag, grouping your annotations by relevance, and even keeping track of your changes over time.