diff --git a/config/strategies/facebook.js b/config/strategies/facebook.js
new file mode 100644
index 00000000..ef6c9866
--- /dev/null
+++ b/config/strategies/facebook.js
@@ -0,0 +1,42 @@
+'use strict';
+
+var passport = require('passport'),
+	FacebookStrategy = require('passport-facebook').Strategy,
+	User = require('mongoose').model('User'),
+	config = require('../config');
+
+module.exports = function() {
+	// Use facebook strategy
+	passport.use(new FacebookStrategy({
+			clientID: config.facebook.clientID,
+			clientSecret: config.facebook.clientSecret,
+			callbackURL: config.facebook.callbackURL,
+		},
+		function(accessToken, refreshToken, profile, done) {
+			User.findOne({
+				'providerData.id': profile.id
+			}, function(err, user) {
+				if (err) {
+					return done(err);
+				}
+				if (!user) {
+					user = new User({
+						firstName: profile.name.givenName,
+						lastName: profile.name.familyName,
+						displayName: profile.displayName,
+						email: profile.emails[0].value,
+						username: profile.username,
+						provider: 'facebook',
+						providerData: profile._json
+					});
+					user.save(function(err) {
+						if (err) console.log(err);
+						return done(err, user);
+					});
+				} else {
+					return done(err, user);
+				}
+			});
+		}
+	));
+};
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diff --git a/config/strategies/google.js b/config/strategies/google.js
new file mode 100644
index 00000000..053e1e32
--- /dev/null
+++ b/config/strategies/google.js
@@ -0,0 +1,39 @@
+'use strict';
+
+var passport = require('passport'),
+	GoogleStrategy = require('passport-google-oauth').OAuth2Strategy,
+	User = require('mongoose').model('User'),
+	config = require('../config');
+
+module.exports = function() {
+	// Use google strategy
+	passport.use(new GoogleStrategy({
+			clientID: config.google.clientID,
+			clientSecret: config.google.clientSecret,
+			callbackURL: config.google.callbackURL
+		},
+		function(accessToken, refreshToken, profile, done) {
+			User.findOne({
+				'providerData.id': profile.id
+			}, function(err, user) {
+				if (!user) {
+					user = new User({
+						firstName: profile.name.givenName,
+						lastName: profile.name.familyName,
+						displayName: profile.displayName,
+						email: profile.emails[0].value,
+						username: profile.username,
+						provider: 'google',
+						providerData: profile._json
+					});
+					user.save(function(err) {
+						if (err) console.log(err);
+						return done(err, user);
+					});
+				} else {
+					return done(err, user);
+				}
+			});
+		}
+	));
+};
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diff --git a/config/strategies/linkedin.js b/config/strategies/linkedin.js
new file mode 100644
index 00000000..61c82225
--- /dev/null
+++ b/config/strategies/linkedin.js
@@ -0,0 +1,40 @@
+'use strict';
+
+var passport = require('passport'),
+	LinkedInStrategy = require('passport-linkedin').Strategy,
+	User = require('mongoose').model('User'),
+	config = require('../config');
+
+module.exports = function() {
+	// Use linkedin strategy
+	passport.use(new LinkedInStrategy({
+			consumerKey: config.linkedin.clientID,
+			consumerSecret: config.linkedin.clientSecret,
+			callbackURL: config.linkedin.callbackURL,
+			profileFields: ['id', 'first-name', 'last-name', 'email-address']
+		},
+		function(accessToken, refreshToken, profile, done) {
+			User.findOne({
+				'providerData.id': profile.id
+			}, function(err, user) {
+				if (!user) {
+					user = new User({
+						firstName: profile.name.givenName,
+						lastName: profile.name.familyName,
+						displayName: profile.displayName,
+						email: profile.emails[0].value,
+						username: profile.username,
+						provider: 'linkedin',
+						providerData: profile._json
+					});
+					user.save(function(err) {
+						if (err) console.log(err);
+						return done(err, user);
+					});
+				} else {
+					return done(err, user);
+				}
+			});
+		}
+	));
+};
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diff --git a/config/strategies/local.js b/config/strategies/local.js
new file mode 100644
index 00000000..0c4a1256
--- /dev/null
+++ b/config/strategies/local.js
@@ -0,0 +1,35 @@
+'use strict';
+
+var passport = require('passport'),
+	LocalStrategy = require('passport-local').Strategy,
+	User = require('mongoose').model('User');
+
+
+module.exports = function() {
+	// Use local strategy
+	passport.use(new LocalStrategy({
+			usernameField: 'email',
+			passwordField: 'password'
+		},
+		function(email, password, done) {
+			User.findOne({
+				email: email
+			}, function(err, user) {
+				if (err) {
+					return done(err);
+				}
+				if (!user) {
+					return done(null, false, {
+						message: 'Unknown user'
+					});
+				}
+				if (!user.authenticate(password)) {
+					return done(null, false, {
+						message: 'Invalid password'
+					});
+				}
+				return done(null, user);
+			});
+		}
+	));
+};
\ No newline at end of file
diff --git a/config/strategies/twitter.js b/config/strategies/twitter.js
new file mode 100644
index 00000000..ef98e46b
--- /dev/null
+++ b/config/strategies/twitter.js
@@ -0,0 +1,40 @@
+'use strict';
+
+var passport = require('passport'),
+	TwitterStrategy = require('passport-twitter').Strategy,
+	User = require('mongoose').model('User'),
+	config = require('../config');
+
+module.exports = function() {
+	// Use twitter strategy
+	passport.use(new TwitterStrategy({
+			consumerKey: config.twitter.clientID,
+			consumerSecret: config.twitter.clientSecret,
+			callbackURL: config.twitter.callbackURL
+		},
+		function(token, tokenSecret, profile, done) {
+			console.log(profile);
+			User.findOne({
+				'providerData.id_str': profile.id
+			}, function(err, user) {
+				if (err) {
+					return done(err);
+				}
+				if (!user) {
+					user = new User({
+						displayName: profile.displayName,
+						username: profile.username,
+						provider: 'twitter',
+						providerData: profile._json
+					});
+					user.save(function(err) {
+						if (err) console.log(err);
+						return done(err, user);
+					});
+				} else {
+					return done(err, user);
+				}
+			});
+		}
+	));
+};
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