42 Computer software development in the field of open source software; Design and development of computer software; Design, development, installation and maintenance of computer software; Developing customized software for others; Developing customized software in the field of open source software for others; developing customized software for use as a programmable configuration technology stack in the field of open source software for others; Design, implementation and updating of software for providing users with Trusted Execution Environments; design, implementation and updating of software for use as a programmable configuration technology stack for providing users with Trusted Execution Environments; Design, implementation and updating of software for data isolation and encryption processing; design, implementation and updating of software for use as a programmable configuration technology stack for data isolation and encryption processing; Design, implementation and updating of software for use in confidential computing; design, implementation and updating of software for use as a programmable configuration technology stack for use in confidential computing; Design, implementation and updating of software for cloud native workflow and service of Trusted Execution Environments; design, implementation and updating of software for use as a programmable configuration technology stack for cloud native workflow and service of Trusted Execution Environments; Design, implementation and updating of software for creating secure memory regions, namely, enclaves; design, implementation and updating of software for use as a programmable configuration technology stack for creating secure memory regions, namely, enclaves; Design, implementation and updating of software for operating system programs; design, implementation and updating of software for use as a programmable configuration technology stack for operating system programs; Design, implementation and updating of software to maintain and operate computer systems; design, implementation and updating of software for use as a programmable configuration technology stack to maintain and operate computer systems; providing online, non-downloadable computer software for the development, configuration and operation of Trusted Execution Environments; providing online, non-downloadable computer software for data isolation and encrypted computing; providing online, non-downloadable computer software for use in confidential computing; providing online, non-downloadable computer software for cloud native workflow and service of Trusted Execution Environments; providing online, non-downloadable computer software for creating secure memory regions, namely, enclaves; providing online, non-downloadable computer software for operating system programs; providing online, non-downloadable computer software to maintain and operate computer systems; providing online, non-downloadable software development kits (SDK) for programmable configuration technology stack