Then here is the list of alternatives
Intel-IPP
Links: https://software.intel.com/en-us/intel-ipp , https://github.com/intel/ipp-crypto
- Apache license
- CON: Only crypto primitive, no certificate, no TLS
Libsodium
Links: https://doc.libsodium.org/, https://github.com/jedisct1/libsodium
- ISC license
- CON: Only crypto primitive, no certificate, no TLS
BoringSSL
Links: https://github.com/google/boringssl
- ISC license
- CON: Google only project. It says: “We don't recommend that third parties depend upon it.”
WolfSSL
Links: https://www.wolfssl.com/, https://github.com/wolfSSL/wolfssl
- GPL license
- CON: GPL License issue.
BearSSL
Links: https://bearssl.org/
- MIT license
- CON: Current version is 0.6. It is now considered beta-quality software.