| Name             | License                                                                                                                        |
| ---------------- | -------------------------------------------------------------------------------------------------------------------------------|
| Boost            | [Boost Software License](https://github.com/boostorg/boost/blob/master/LICENSE_1_0.txt)                                        |
| FAISS            | [MIT](https://github.com/facebookresearch/faiss/blob/master/LICENSE)                                                           |
| Gtest            | [BSD 3-Clause](https://github.com/google/googletest/blob/master/LICENSE)                                                       |
| LAPACK           | [LAPACK](https://github.com/Reference-LAPACK/lapack/blob/master/LICENSE)                                                       |
| MySQLPP          | [LGPL 2.1](https://tangentsoft.com/mysqlpp/artifact/b128a66dab867923)                                                          |
| OpenBLAS         | [BSD 3-Clause](https://github.com/xianyi/OpenBLAS/blob/develop/LICENSE)                                                        |
| Prometheus       | [Apache 2.0](https://github.com/prometheus/prometheus/blob/master/LICENSE)                                                     |
| SQLite           | [Public Domain](https://www.sqlite.org/copyright.html)                                                                         |
| SQLite-ORM       | [BSD 3-Clause](https://github.com/fnc12/sqlite_orm/blob/master/LICENSE)                                                        |
| yaml-cpp         | [MIT](https://github.com/jbeder/yaml-cpp/blob/master/LICENSE)                                                                  |
| ZLIB             | [ZLIB](http://zlib.net/zlib_license.html)                                                                                      |
| libunwind        | [MIT](https://github.com/libunwind/libunwind/blob/master/LICENSE)                                                              |
| gperftools       | [BSD 3-Clause](https://github.com/gperftools/gperftools/blob/master/COPYING)                                                   |
| grpc             | [Apache 2.0](https://github.com/grpc/grpc/blob/master/LICENSE)                                                                 |
| EASYLOGGINGPP    | [MIT](https://github.com/zuhd-org/easyloggingpp/blob/master/LICENSE)                                                           |
| Json             | [MIT](https://github.com/nlohmann/json/blob/develop/LICENSE.MIT)                                                               |
| opentracing-cpp  | [Apache 2.0](https://github.com/opentracing/opentracing-cpp/blob/master/LICENSE)                                               |
| libfiu           | [BOLA](https://github.com/albertito/libfiu/blob/master/LICENSE)                                                                |
| aws-sdk-cpp      | [Apache 2.0](https://github.com/aws/aws-sdk-cpp/blob/master/LICENSE)                                                           |
| SPTAG            | [MIT](https://github.com/microsoft/SPTAG/blob/master/LICENSE)                                                                  |
| hnswlib          | [Apache 2.0](https://github.com/nmslib/hnswlib/blob/master/LICENSE)                                                            |
| annoy            | [Apache 2.0](https://github.com/spotify/annoy/blob/master/LICENSE)                                                             |