Each week PSFK features many new and innovative apps. To highlight popular picks, we’ve compiled a few of the most interesting and creative apps written about on the site this past week.

Site Calculates the ‘Walkability’ Of Urban Neighborhoods

A website called Walkonomics  rates your surroundings by street to better inform pedestrians everywhere of the best and worst areas for walking. The online source covers approximately 600,000 streets in the US and UK and retrieves its information from government-sourced open data and user feedback.

QR Code Beer Bottles Help Singles Meet At The Bar

A bar in Singapore wanted to make it easier for shy locals to meet each other at the bar, so they introduced ‘Bottle Message,’ adding QR code tags to beer bottles that let you enter a message when you scan them.

New App Helps Mobile Workers Find Their Ideal Work Space

An app called Work+ uses satellite technology and a list of your workplace preferences to explore your local area for spots to try. A user can either search for a specific place name or fill out a survey to begin the process.

Algorithm Can Trace The Source Of An Outbreak in PSFK Picks: Top 10 Health Innovations of the Week

An algorithm from Swiss researcher Pedro Pinto is able to uncover the source of rumors, an epidemic or a crime across both simple and highly complex computer networks. It analyzes a small collection of data points within a network and works back from there to determine the origin.

How ‘Expertise In-An-App’ Is Guiding The Workforce [The Future Of Work]

For today’s workforce, apps are tools which cover a range of work-related topics from accounting and expenses to productivity and even language translation, placing instant expertise within easy reach.