South by Southwest (SXSW) is a set of film, interactive and music festivals and conferences that take place every spring (usually in March) in Austin, Texas, United States. On March 11, the Austin music and media festival and trade show celebrates its 25th anniversary. SXSW® Interactive features five days of compelling presentations from the brightest minds in emerging technology SXSW Interactive serves as a platform for a lot of startups to make that lasting impression that matters.

These startups will be showcased at this year’s SXSW Interactive.

A free smartphone travel app, iTourU allows anyone to record audio tours, tag routes and landmarks on a map, add text and photos, and share it all with anyone else who is using the app.

Blue Calypso will work to help companies  build ad campaigns that consumers will tell their friends about in return for rewards.

Do something active, Post to LifeKraze and Earn real rewards! LifeKraze is ad supported and free for users, who receive additional points when they view ads.

Roqbot is a fun, new music service for public venues that you control right from your phone.

Bump links people with a communication, transaction and membership network built around cars and license plates.

Hubvine is a collaborative community calendar. Hubvine is steadily moving forward with new, innovative ideas on how to promote events and connect communities.

Zaarly is a proximity based, real-time buyer powered market. Buyers make an offer for an immediate need and sellers cash in on an infinite marketplace for items and services they never knew were for sale.