CoAP
구현체

| 이름 | 프로그래밍 언어 | 구현된 CoAP 버전 | 클라이언트/서버 | 구현된 CoAP 기능 | 라이선스 | 링크 |
| --- | --- | --- | --- | --- | --- | --- |
| aiocoap | Python 3 | RFC 7252 | Client + Server | Blockwise Transfers, Observe (부분적) | MIT | https://pypi.python.org/pypi/aiocoap |
| Californium | Java | RFC 7252 | Client + Server | Observe, Blockwise Transfers, DTLS | EPL+EDL | https://web.archive.org/web/20181207034534/http://www.eclipse.org/californium/ |
| cantcoap | C++/C | RFC 7252 | Client + Server |  | BSD | https://github.com/staropram/cantcoap |
| Canopus | Go | RFC 7252 | Client + Server | Core | Apache License 2.0 | https://github.com/zubairhamed/canopus |
| CoAP implementation for Go | Go | RFC 7252 | Client + Server | Core + Draft Subscribe | MIT | https://github.com/dustin/go-coap |
| CoAP.NET | C# | RFC 7252, coap-13, coap-08, coap-03 | Client + Server | Core, Observe, Blockwise Transfers | 3-clause BSD | https://github.com/smeshlink/CoAP.NET |
| CoAPSharp | C#, .NET | RFC 7252 | Client + Server | Core, Observe, Block, RD | LGPL | http://www.coapsharp.com%5B깨진+링크(과거+내용+찾기)%5D |
| CoAPthon | Python | RFC 7252 | Client + Server + Forward Proxy + Reverse Proxy | Observe, Multicast server discovery, CoRE Link Format parsing, Block-wise | MIT | https://github.com/Tanganelli/CoAPthon |
| CoAP Shell | Java | RFC 7252 | Client | Observe, Blockwise Transfers, DTLS | Apache License 2.0 | https://github.com/tzolov/coap-shell |
| Copper | JavaScript (Browser Plugin) | RFC 7252 | Client | Observe, Blockwise Transfers | 3-clause BSD | https://github.com/mkovatsc/Copper https://addons.mozilla.org/firefox/addon/copper-270430/%5B깨진+링크(과거+내용+찾기)%5D |
| eCoAP | C | RFC 7252 | Client + Server | Core | MIT | https://gitlab.com/jobol/ecoap |
| Erbium for Contiki | C | RFC 7252 | Client + Server | Observe, Blockwise Transfers | 3-clause BSD | http://www.contiki-os.org/ (er-rest-example) |
| iCoAP | Objective-C | RFC 7252 | Client | Core, Observe, Blockwise Transfers | MIT | https://github.com/stuffrabbit/iCoAP |
| jCoAP | Java | RFC 7252 | Client + Server | Observe, Blockwise Transfers | Apache License 2.0 | https://code.google.com/p/jcoap/ |
| libcoap | C | RFC 7252 | Client + Server | Observe, Blockwise Transfers, DTLS | BSD/GPL | https://github.com/obgm/libcoap |
| LibNyoci | C | RFC 7252 | Client + Server | Core, Observe, Block, DTLS | MIT | https://github.com/darconeous/libnyoci |
| lobaro-coap | C | RFC 7252 | Client + Server | Observe, Blockwise Transfers | MIT | http://www.lobaro.com/lobaro-coap |
| microcoap | C | RFC 7252 | Client + Server |  | MIT | https://github.com/1248/microcoap |
| nCoap | Java | RFC 7252 | Client + Server | Observe, Blockwise Transfers, CoRE Link Format, Endpoint-ID-Draft | BSD | https://github.com/okleine/nCoAP |
| node-coap | Javascript | RFC 7252 | Client + Server | Core, Observe, Block | MIT | https://github.com/mcollina/node-coap |
| Ruby coap | Ruby | RFC 7252 | Client + Server (david) | Core, Observe, Block, RD | MIT, GPL | https://github.com/nning/coap https://web.archive.org/web/20180611002224/https://github.com/nning/david |
| Sensinode C Device Library | C | RFC 7252 | Client + Server | Core, Observe, Block, RD | Commercial | https://silver.arm.com/browse/SEN00 |
| Sensinode Java Device Library | Java SE | RFC 7252 | Client + Server | Core, Observe, Block, RD | Commercial | https://silver.arm.com/browse/SEN00 |
| Sensinode NanoService Platform | Java SE | RFC 7252 | Cloud Server | Core, Observe, Block, RD | Commercial | https://silver.arm.com/browse/SEN00 |
| SwiftCoAP | Swift | RFC 7252 | Client + Server | Core, Observe, Blockwise Transfers | MIT | https://github.com/stuffrabbit/SwiftCoAP |
| TinyOS CoapBlip | nesC/C | coap-13 | Client + Server | Observe, Blockwise Transfers | BSD | https://web.archive.org/web/20130312140509/http://docs.tinyos.net/tinywiki/index.php/CoAP |
| txThings | Python (Twisted) | RFC 7252 | Client + Server | Blockwise Transfers, Observe (partial) | MIT | https://github.com/mwasilak/txThings/ |
| FreeCoAP | C | RFC 7252 | Client + Server + HTTP/CoAP Proxy | Core, DTLS, Blockwise Transfers | BSD | https://github.com/keith-cullen/FreeCoAP |
| coap-rs | Rust | RFC 7252 | Client + Server |  | MIT | https://github.com/Covertness/coap-rs |
| YaCoAP | C |  |  |  | MIT | https://github.com/RIOT-Makers/YaCoAP |