eCapture is a Go language-written tool that can capture HTTPS/TLS plaintext without a CA certificate. It supports TLS encryption libraries such as openssl, boringssl, gnutls, and nspr. It can run on x86_64 CPU architectures with Linux kernel 4.18 or higher, and aarch64 CPU architectures with Linux/Android kernel 5.5 or higher, supporting both CO-RE and non-CO-RE modes without BTF.