Kilroy!

Foursquare is all about helping you find new ways to explore your city.

Yelp is a fun and easy way to find, recommend and talk about whats great - and not so great - in San Francisco and beyond. Members share their favorite recommendations - everything from the latest restaurants and shops, to the best hair salons and spas, to doctors and yoga instructors.

Reviews of companies in your city.

Pathshare is a beautiful app that helps you share your path in realtime. It was designed to be simple to use and make realtime location sharing a safe experience. With Pathshare, you can easily setup a session with your friends and share your location for a defined period of time. You and only you are in control of for how long you want to be seen by other participants! And there is more: Pathshare will automatically stop sharing your location when the defined time expires. That’s safe and easy!

Spend more time with your friends. Instantly nearby or later today. Share your current status and plans. Someone is probably just around the corner and wants to meet you!

Explore activities and locations around you

Miataru is Japanese and means "be found" or "to come across" and it's meant to be a set of tools to allow the user to track locations and choose how to work with the data as well as how data is stored if at all.

Quipster is instant, micro-sharing for your city. Share your experiences, comments and location using icons on the go - a Quip! Use Quipster to become a trendsetter, influencer and social icon of your town - a true Quipster!

LockOnMe is a flexible location-sharing app, displaying targets and/or associated Points Of Interest on OpenStreetMap & fun radars (incl. a "Motion Tracker" inspired by Aliens2).You would normally want to broadcast your position over the internet (using a Target ID & Tracking Code pair of your choice), but the app can also send a text message with your fixed position by SMS, which can then be processed from the app and displayed on a map. (to save on roaming costs, internet data, etc) »

Jigglist is a mobile messaging service that helps friends get together in a simple and fun way. It's the next evolution of location based services, which brings together chat, search, maps, reviews, scheduling into one seamless mobile experience.

GeoCha is a local interaction platform. It supports transient events like local chats as well as local publishing, local exchange and local collaboration. It's easy to create theme-based event maps for private or public use. Customization like special map-overlays and branding are provided on demand by the company.

GPS-tracker with online/offline mode. You could share your location easily, without additional registrations and settings. Just run application, press Start button and share tracking URL with your friends or family.