Yeah, I did stumble on some 2011 startups in the USA and i really loved the concepts that i thot i’ll share them, actually i found some of this websites on businessinsiders 2011 good startups. i Like the techy ones …*wink

Codecademy was created out of the frustrations Zach and Ryan felt with learning how to program. Tired with less effective text and video resources, Ryan and Zach teamed up to create Codecademy, a better, more interactive way to learn programming by actually coding. This is just the beginning. Join us as we make it easy for everyone to love and learn how to code.

Kaggle is an innovative solution for statistical/analytics outsourcing. We are the leading platform for predictive modeling competitions. Companies, governments and researchers present datasets and problems – the world’s best data scientists then compete to produce the best solutions. At the end of a competition, the competition host pays prize money in exchange for the intellectual property behind the winning model.

Skillshare is a community marketplace to learn anything from anyone. We believe that everyone has valuable skills and knowledge to teach and the curiosity to keep learning new things. This means our neighborhoods, communities, and cities are really the world’s greatest universities. Our platform helps make the exchange of knowledge easy, enriching, and fun.

Dwolla At a glance, Dwolla doesn’t sound different than its much bigger competitors Square and PayPal — but it is. PayPal and Square both use credit cards for transactions. Dwolla is side-stepping credit cards altogether. It links directly to bank accounts (which is good because users can never spend more money than they have) and moves money to whoever you want, even Facebook friends who don’t have Dwolla accounts.

TaskRabbit has a lot of momentum and is creating an on-demand workforce. It creates jobs and supplemental income.Much like teenagers babysit in their free time, people can run errands in their free time and get paid.

Kickstarter is the world’s largest funding platform for creative projects. Every week, tens of thousands of amazing people pledge millions of dollars to projects from the worlds of music, film, art, technology, design, food, publishing and other creative fields.

Singly: We’re entering the era of “small data.” As people put more and more information about themselves online, all of the information gets scattered and lost. If you want to find your first-ever tweet, for example, you can’t. Singly helps users keep track of their data and organize it. It’s currently open for developers and a version for the general public will be launching shortly.

Greplin first launched as a Google killerand has morphed into another form of search entirely. Greplin is a search bar that’s dedicated entirely to you and your social network. It connects to all of your email accounts and social profiles and lets you pull up any conversation you’ve had there. It’s the epitome of personalized search.

Instagram: The photos-sharing app has created a Twitter-like stream for images; it’s catching on like wildfire.Instagram reached 10 million downloads in half the time of Foursquare, which has a much larger staff and a lot more venture capital.

 

Goodsie provides you with a customizable online storefront that’s a cinch to set up — no coding required! Goodsie is free to use for the first month, and $15 per month after that. You can sell anything! the community includes musicians, artists, clothing designers, candy shops, furniture stores, and more. and Yes! The option for a custom domain comes standard.