1# List of Third-Party Libaries 2 3This folder contains all third-party libarires used by BTstack. The following table lists their source, license type, and what it is used for. 4 5Library | License | Used | Notes 6----------------------------------------------------------------------------------------------------------------|---------------|------------------|---------- 7[Android SBC Codec](https://android.googlesource.com/platform/external/bluetooth/bluedroid/+/master/embdrv/sbc) | Apache 2.0 | HFP WBS, A2DP | optimized audio codec 8[hxcmod-player](https://github.com/jfdelnero/HxCModPlayer) | Custom | A2DP Source Demo | mod music player 9[lwIP](http://savannah.nongnu.org/projects/lwip/) | BSD 3-Clause | PAN Demo | complete network stack 10[md5](http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5) | Public Domain | PBAP | cryptographic hash function 11[micro-ecc](https://github.com/kmackay/micro-ecc) | BSD 2-Clause | LE SC, Mesh | elliptic curve library 12[segger-rtt](https://www.segger.com/products/debug-probes/j-link/technology/about-real-time-transfer/) | BSD 3-Clause | HCI PacketLog | high-speed logging with SEGGER J-Link debug probes (development) 13[tinydir](https://github.com/cxong/tinydir) | BSD 2-Clause | GAP Bonding | get a directory listing on POSIX + Windwows systems 14[Yxml](https://dev.yorhel.nl/yxml) | MIT | PBAP | minimal stream XML parser 15