{Launchpad.net}

{Services (API) }: Web services API , {Technical features }: Bugzilla Launchpad Plugin , Bug tracking , Code hosting using Bazaar, Code reviews , Ubuntu package building and hosting, Translations , Mailing lists ,Answer tracking and FAQs ,Specification tracking {Innovative aspects }: Google Code , Github , {Major hosted projects} : Drizzle,GNOME Do, Inkscape,MySQL , OpenERP,Pinta,Upstart,Zope 3 {References}
{https://launchpad.net/bugzilla-launchpad} {https://help.launchpad.net/API/} {http://en.wikipedia.org/wiki/Drizzle_(database_server) {http://en.wikipedia.org/wiki/GNOME_Do} {http://en.wikipedia.org/wiki/Inkscape} {http://en.wikipedia.org/wiki/Linux_Mint} {http://en.wikipedia.org/wiki/MySQL} {http://en.wikipedia.org/wiki/OpenERP} {http://en.wikipedia.org/wiki/Pinta_(software)} {http://en.wikipedia.org/wiki/Upstart}

{Sourceforge}

{Services (API) }: API
{Technical features }: Project wikis, metrics and analysis, access to a MySQL database, and unique sub-domain URLs for each project. {Innovative aspects }: SourceForge offers free access to hosting and tools for developers of free / open source software Google Code,
{Major hosted projects} : VLC media player,eMule, Azureus / Vuze, Ares Galaxy, 7-Zip, Smart package of Microsoft's core fonts, FileZilla, PortableApps.com: Portable , Software/USB, Notepad++ Plugin Manager, MinGW - Minimalist GNU for Windows

{References}

{http://sourceforge.net/apps/trac/sourceforge/wiki/API} {http://en.wikipedia.org/wiki/SourceForge }

{Github}

{Services (API) }: API and easy Git hooks configuration. {Technical features }: Collaboration , Git powered wikis , Integrated issue tracking , Code review, Continuous Integration with Travis CI. {Innovative aspects }: Gist , Shop , Top languages, Social Coding, Visibility, Easy Forking, Mirrors, GitHub pages. {Major hosted projects} : bootstrap , node , jquery , html5-boilerplate,rails , impress.js , backbone, SpringSource, Apache Software Foundation.

{References}

{http://en.wikipedia.org/wiki/Comparison_of_open_source_software_hosting_facilities} {http://developer.github.com/v3/ } {http://developer.github.com/v3/gists/ } {http://shop.github.com/ } {https://github.com/languages } {https://github.com/popular/starred}

{Google Code}

{Services (API) }: Google Data APIs , Ajax APIs , Ads APIs , App Engine {Technical features }: API'S , Usage of Subversion , Git , Mercurial {Innovative aspects }: Access to all apis only with one account {Major hosted projects} : Using Flossmole to obtain data

{References}

{https://developers.google.com/gdata/?hl=en} {https://developers.google.com/loader/?hl=en#AvailableAPIs } {https://developers.google.com/loader/?hl=en } {https://developers.google.com/appengine/ } {https://developers.google.com/adwords/api/ } {http://flossmole.googlecode.com/files/ghProjectInfo2013-Feb.txt.bz2}