AddThis is the world's largest content sharing and social insights platform:

Dynamic Personalization
AddThis shows the right choices to the right user at the right time. As visitors use AddThis across the Web, we’ll instantly personalize their experience with choices most likely to be effective at increasing social referral traffic to your site.

Data-Driven Optimization
AddThis determines optimal user choices by analyzing a massive amount of online sharing activity. Algorithms factor in overall and local popularity, click-back effectiveness rate, language, per-user service affinity, and more.

Most Extensive Options
Offer your visitors choices from the largest, most international directory, including over 300 services and tools. Of course, there's also deep Facebook and Twitter integration

Automatic Translation
Supporting over 70 languages, AddThis makes sharing easy no matter which language your visitors speak. Coupled with service personalization, AddThis presents a fully localized experience to your users.

Your Complete Social Data Stream in One Place
AddThis measures your content’s impact across social streams by displaying traffic and audience generated from sharing tools, search, Facebook Like buttons, Tweet buttons, browser address bar sharing and more.

Up to the Minute Activity
View analytics data during the last 24 hours, or watch traffic and shares happen real-time in your Live View. Set alerts to be notified when there are changes to traffic or sharing for a domain, or even an individual page.

Meet Your Audience
AddThis tells you about different parts of your audience, using data from across the Web. Learn not only how your pages are shared, but who is doing the sharing, what they care about, and how you can tailor content or advertising to each group.

Data Sharing & Portability
Want to share reports with team members or clients? AddThis Profiles make sharing analytics easy. You can also access your analytics data using our Analytics API, or via Google Analytics integration.

Easy Installation Options
Want to get up and running fast? Get AddThis with one click. We've integrated with popular platforms like WordPress, Blogger and Joomla! AddThis can also be easily installed in Flash and iOS apps.

Simpler, Focused User Experience
We've done extensive user testing on our sharing interfaces, to give your visitors the least-intrusive experience. AddThis doesn't distract the user away from putting your content out on the social web.

The Right UI For You
If you want big and beautiful 32px icons, Facebook Like and Tweet buttons, the new Google +1 button, or a fully custom UI, AddThis tools can handle it. You get dynamic personalization, translation, and analytics features no matter which interface you use. If you like, you can also just use our handy APIs.

Lightweight Optimized Code
Hosted on Akamai for geo-distributed performance, every pixel and line of AddThis code is designed to maximize sharing without taxing load time.

Secure SSL/HTTPS Support
AddThis is one of the only sharing
platforms supporting secure HTTPS/SSL.

Publisher & Consumer Privacy Options
AddThis takes privacy seriously. We’ve highlighted
our privacy and data policies for consumers and publishers, and also participate in the leading advertising industry groups focused on privacy, notification and choice.

API Library
We've created an extensive API library for customizing our Javascript client, accessing analytics data, referencing AddThis services, serving content streams and much more.

Mobile SDKs
Besides optimizing our sharing tools for mobile browsers, we've also introduced an AddThis SDK library for iOS apps with more mobile support coming soon.

Flash Resources
If you develop in Flash, you've come to the right place. AddThis can be used to share Flash assets on a page, or to build sharing tools into Flash apps.