SharePoint 2013 SharePoint 2010
What is SharePoint 2013 (Preview) –
A new version of Microsoft famous Collaboration portal called SharePoint. The version adds few new exciting features such as Social Feed,SharePoint Apps and cross-site publishing.
What is SharePoint 2010 – It is a previous or I should say current version of SharePoint that was released in year 2010.
Development Changes –

·         In SharePoint 2013 Microsoft Introduced a new Cloud App Model for designing Apps for SharePoint. Apps for SharePoint are self-contained pieces of functionality that extend the capabilities of a SharePoint website. You can use HTML, CSS, JavaScript and protocols like the Open Data protocol (OData), and OAuth to communicate with SharePoint using Apps.

·         Tools – SharePoint 2013 has Introduced new Tools for App development. Visual Studio 2012 now lets you develop apps for SharePoint and apps for Office. In addition a new web-based tools called “Napa” Office 365 Development Tools were introduced for developing apps.

·         No more Sandbox solutions. SharePoint 2013 sandboxed solutions are deprecated. So all we got is the New App model and the Old SharePoint Farm solutions. check outSharePoint 2013 – Apps Vs Farm solutions

Development Changes –

·         SharePoint 2010 Introduced Sandbox solutions to help developers deploy code that did not effect the whole farm.

·         In SharePoint 2010 you could use Server Object model and Client Object model (.Net Managed, ECMASCRIPT and silverlight) to extract data from SharePoint.

·         In SharePoint 2010 developers were also developing Farm solutions as they did with the previous SharePoint 2007 version.

Social and Collaboration features – 
Microsoft in SharePoint 2013 Introduced new Social capabilities for better collaboration in the company.New Features added are –

·         Interactive feed

·         Community Site

·         Follow people

·         Follow Sites

Social and Collaboration features – SharePoint 2010 had very few social capabilities.

·         My sites

·         Tags and Tag profile pages

·         Notes

Search – SharePoint 2013 includes several enhancements, custom content processing with the Content Enrichment web service, and a new framework for presenting search result types. Some of the features added are –

·         Consolidated Search Results

·         Rich Results Framework

·         keyword query language (KQL) enhancements

Search – SharePoint 2010 had Introduced Integrated FAST search as an Enterprise search. In addition to this build-in SharePoint search is still widely used in companies.
Enterprise Content Management (ECM) –
SharePoint 2013 added some of the best capabilities of an ECM software. The newly added stuff is

·         Design Manager

·         Managed Navigation

·         Cross-site Publishing

·         EDiscovery

Enterprise Content Management (ECM) –SharePoint 2010 on the other hand had Introduced Managed metadata and taxonomy as a part of new ECM benefits for SP 2010. This version did not had Managed Navigation and Cross-site Publishing. SharePoint designer was a primary tool to modify Master pages instead of the new Design Manager.