Bookmarks
Web Services
Security
| Web Services Security | Article about XML-based authentication and the sharing of authentication information using the Security Assertions Markup Language(SAML). |
| Web Services Security Specifications | An article explaining the security specifications XKMS, XML Encryption, XML Signature and SAML. |
Directories and Repositories
| WSindex | Directory with Web Services and Semantic Web resources. |
| Web Service List | Public Web Services directory. |
| RemoteMethods | Directory with Web Services descriptions containing ratings, reviews and price quotes. |
| BindingPoint | Publicly accessible UDDI Business Registry with a Web interface. You can search the database for Web Services and invoke them immediately using a dynamic client. Average response times and ratings are provided for each service. |
| XMethods | List of public available Web Services |
REST
| RESTLog | A weblog hosted by an application that tries to follow the REST architectural style with a .NET client written in C# and a server written in Python. |
| A RESTful Approach to Web Services | Introduction to the basics of RESTstyle Web Services. |
| sqlREST | sqlREST exposes relational databases as REST style Web Service. Using HTTP and XML data can be queried, removed and altered. |
| RESTwiki | Wiki dedicated to Rest Architectural Style |
Magazines
| XML & Web Services Magazine | Homepage of the magazine providing online articles and free book chapters. |
| WebServices Journal | Online journal featuring articles, news and white papers about Web Services |
Tools
| OpenSAML | Open source Java and C++ libraries for constructing, transporting and parsing SAML messages. Supports a SOAP binding. |
| gMorpher | Online Web Service invoker. Analyses WSDL and allows to call a Web Service using a Web Frontend. |
Resources
| Cover Pages | Online resource for markup language technologies. Provides also news and articles about Web Services. |
| soaprpc.com | Resource site for XML, Web Services and .NET. Has listings of technical articles, protocol specification, software, tutorials and sample code. |
| SOAPClient | Resource center for SOAP developers. You can find news and many resources to external sites. |
Organizations
| WS-I | Open industry organization promoting guidelines and recommended practices for the interoperability of Web Services |
| Liberty Alliance Project | Organization with the goal of providing an infrastructure for federated identity and identity-based services. |
| OASIS | Nonprofit consortium that drives the development of e-business standards |
Miscellaneous
| XML Processing with Pipelining | "Performing impossible feats of XML processing with pipelining" by Sean McGrath explains in detail how to use XML pipelining and how to do transformation decomposition. |
| Shibboleth | Architecture and open source implementation for access control of federated Web resources. |
| SOAPBuilders | Forum to discuss SOAP cross-implementation interoperability issues. |
| LibraryLookup | John Udell's LibraryLookup homepage. |
| Keep up with the Web Service Styles | Article which clears up the confusion over SOAP message formats, styles and uses. |
Peer-to-Peer
| Jabber | Streaming XML technology used for instant messaging |
| From P2P to Web Services: Addressing and Coordination | This excellent article summarizes problems with peer-to-peer communication and the solutions: social infrastructures. |
| OpenP2P | P2P directory from O'Reilly listing companies, projects and initiatives related to peer-to-peer technologies. |
Syndication, Aggregation, Weblogs
Standards
| AtomEnabled | Atom is a content publishing standard like RSS. It's design is newer as RSS and avoids flaws inherent in RSS. |
Search Engines and Registries
| Technorati | Monitors weblogs and compiles what people are talking about |
| blogdex | Discovers fast-spreading ideas from weblogs |
| Webjay | Online platform helping you to listen and publish Web playlists |
| NewsIsFree | Online news aggregator with thousends of sources |
| DAYPOP | Search engine for current news in Weblogs and RSS Newsfeeds |
| Feedster | Frequently updated search engine for newsfeeds and blogs. Feedster also offers useful tools and MyFeedster a personalized web based News Aggregator. |
| Syndic8.com | Public registry for RSS and Atom newsfeeds. It comprises reviews, statistics, articels and tutorials. |
Tools
| RSScache | Central RSS cache for saving bandwidth. |
| Bloglines | Integrated Web-based service for searching, subscribing, publishing and sharing news feeds, blogs, and rich Web content. |
| NewzCrawler | Commercial newsreader and blog client. It can handle RSS and Atom feeds. Newsbrowsing is very efficient with NewsCrawler - it's worth the money. |
| Feed Validator | Online RSS and Atom validator. It can also be used offline. The validator is written in Python and its Open Source. The following versions are supported: RSS 0.90, 0.91, 0.92, 0.93, 0.94, 1.0, 2.0 and Atom 0.3. It was written by Mark Pilgrim and Sam Ruby. |
| RSS Validator | Online RSS Newsfeed validator which marks errors in a copy of the feed. |
Metadata and Semantic Web
| omnigator | Semantic web agent for viewing, debugging and exporting topic maps. It supports RDF, XTM, HyTM and LTM formats. |
| the foaf project | Friend of a Friend (FOAF) is about creating a Web of machine-readable homepages describing people and the links between them |
| XMP | Metadata about a file can be embedded into the file itself with Adobe's Extensible Metadata Platform (XMP). XMP is open source and freely available to developers. |
| Elsevier's Journal of Web Semantics | Journal publishing papers, ontologies and open source code |
| DAML | Homepage of DARPA Agent Markup Language |
| Dublin Core Metadata | Interoperable online metadata standard |
| Geotags | Search engine using geographic metadata enbedded in HTML pages to deliver located resources |
Internet
| TinyURL | Service which can redirect from a short URL to a long URL. The short URL has first to be obtained by TinyURL's website. |
| Eurekster | Uses social networks to refine web searches. Eurekster proposes other search terms used by friends or other people. |
| Yahoo! search | A real google challanger! The results are good, the index is up to date and the interface intuitive. Searching for images, news and products is also possible. |
Networks
| Small World | Online experiment to prove that any two people in the world can be connected via six degrees of seperation |
| orkut | Orkut is a online community that connects people through a network of trusted friends. You can't register you have to wait until a friend invites you to join. This will probably happen soon. |
Web
| CSS Validator | Online CSS Validation Service for different CSS versions provided from the W3C |