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| <h1>CoAP in Java.</h1> |
| <p>Californium is a powerful CoAP framework targetting back-end services and stronger Internet of Things devices. It provides a convenient API for RESTful Web services that support all of CoAP's features.</p> |
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| <h1 style="text-align: left; color: orange;">Perfect for IoT cloud services.</h1> |
| <p>Californium has an extremely scalable architecture and outperforms high-performance HTTP servers. CoAP's low overhead allows to handle millions of IoT devices with a single service instance. The flexible concurrency model allows to implement whatever is best for your application.</p> |
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| <h1>Standards compliant.</h1> |
| <p>Californium has been running code for the IETF and is passing all ETSI Plugtest test specifications.</p> |
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| <h2>Californium (Cf) Core</h2> |
| <p>Californium is the umbrella project for CoAP at the Eclipse Foundation. It provides the core protocol implementation and basic examples. You can simply include Californium in your own projects through Maven. The sources are hosted on GitHub, so you can easily contribute through pull requests. The READMEs in the repositories provide more detailed information.</p> |
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| <h2>Scandium (Sc)</h2> |
| <p>The Scandium (Sc) sub-project provides security for Californium. It implements DTLS 1.2 to secure your application through ECC with pre-shared keys, certificates, or raw public keys.</p> |
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| <h2>Actinium (Ac)</h2> |
| <p>Actinium (Ac) is the app-server for Californium to realize IoT mashups! Your JavaScript apps become available as RESTful resources and can directly talk to IoT devices using our CoapRequest object.</p> |
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| <h2>CoAP Tools</h2> |
| <p>This repository provides CoAP tools that also serve as examples. Use CoAPBench to benchmark your CoAP solutions or simply use our cf-client to interact with your devices from the command line.</p> |
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| <h2>Element Connector</h2> |
| <p>The element-connector abstracts from the different transports. It provides the basic UDP connector and an interface to implement new ones like the Scandium DTLS connector.</p> |
| <p><a class="btn btn-default" href="https://github.com/eclipse/californium.element-connector" role="button">Repository »</a></p> |
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| <h2 class="featurette-heading">Getting started. <span class="text-muted">Take the tutorial.</span></h2> |
| <p class="lead">The Internet of Things if growing, but how can you build your own connected objects? Together with MQTT, CoAP is one of the popular IoT protocols. It provides answers to the typical IoT constraints: it is bandwidth efficient and fits in constrained embedded environment while providing friendly and discoverable RESTful API.</p> |
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| <a href="https://addons.mozilla.org/en-US/firefox/addon/copper-270430/"><img class="featurette-image img-responsive" src="images/boxes/Cu_box_512.png" alt="More CoAP tools"></a> |
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| <h2 class="featurette-heading">More tools. <span class="text-muted">Get the full CoAP experience.</span></h2> |
| <p class="lead">The Copper (Cu) CoAP user-agent is an add-on for the Firefox Web browser. It allows browsing, bookmarking, and direct interaction with CoAP resources. Simply enter a CoAP URI into the address bar. To get started you can test the following CoAP sandboxes:</p> |
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| <li><a href="coap://iot.eclipse.org/">coap://iot.eclipse.org/</a></li> |
| <li><a href="coap://iot.eclipse.org/">coap://vs0.inf.ethz.ch/</a></li> |
| <li><a href="coap://iot.eclipse.org/">coap://coap.me/</a></li> |
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| <p class="lead">Check <a href="http://coap.technology">coap.technology</a> for more material.</p> |
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