A list of useful tools for engaging in social media.
Over 100 million users love Instagram! It's a free, fun, and simple way to make and share gorgeous photos on your iPhone.
Free iPhone app 
Free Android Phone app 
Tumblr lets you effortlessly share anything. Post text, photos, quotes, links, music, and videos, from your browser, phone, desktop, email, or wherever you happen to be. You can customize everything, from colors, to your theme's HTML.
Twitter is a real-time information network that connects you to the latest stories, ideas, opinions and news about what you find interesting. Simply find the accounts you find most compelling and follow the conversations. At the heart of Twitter are small bursts of information called Tweets. Each Tweet is 140 characters long.
You can get a blog started in less time than it takes you to read this sentence. All you need is an email address. You'll get your own WordPress.com address (like you.wordpress.com, you can switch to a custom address later if you'd like), a selection of great free and customizable designs for your blog (we call them themes), 3 gigabytes of file storage (that's about 2,500 pictures!) and all the other great features. You can blog as much as you want for free, your blog can be public to the world or private for just your friends, and our premium features are completely optional.
Website 
Facebook helps you connect and share with the people in your life. Millions of people use Facebook everyday to keep up with friends, upload an unlimited number of photos, share links and videos, and learn more about the people they meet.
HootSuite is a social media management system for businesses and organizations to collaboratively execute campaigns across multiple social networks from one secure, web-based dashboard. Launch marketing campaigns, identify and grow audiences, and distribute targeted messages using HootSuite's unique social media dashboard.
Edmodo is a secure, social learning platform for teachers, students, schools and districts. We provide a safe and easy way for your class to connect and collaborate, share content and access homework, grades and school notices. Our goal is to help educators harness the power of social media to customize the classroom for each and every learner.