# Shadow Software > Shadow Software builds TERRA AI — jurisdiction intelligence for global entrepreneurs. Compare tax residencies and company structures deliberately. ## Core pages - [Home — Shadow Software](https://shadowsoftware.com/): Company storefront and TERRA AI showcase. - [What we do](https://shadowsoftware.com/what-we-do): Services and positioning. - [Platforms](https://shadowsoftware.com/platforms): TERRA AI and portfolio products. - [Open source](https://shadowsoftware.com/open-source): Public repositories and releases. - [Contact](https://shadowsoftware.com/contact): Get in touch. ## Open source profiles - GitHub: https://github.com/shadow-software - npm: https://www.npmjs.com/~shadowgroup - Packagist: https://packagist.org/packages/shadow-software/ - WordPress.org: https://profiles.wordpress.org/shadowsoftware/ ## Guides (jurisdiction intelligence) - [Guides index](https://shadowsoftware.com/guides): Pillar pages on company formation and residency. - [Where should I register my online business?](https://shadowsoftware.com/guides/where-to-register-my-company): There is no universally best place to register. Pair personal residency with the entity that fits how your product makes money — then TERRA AI connects you with the professionals who file it. - [How do I start an online business abroad?](https://shadowsoftware.com/guides/building-a-global-company): Online does not mean jurisdiction-free. Get residency and entity structure right early; banking, contractors, and software come next. - [Where should I incorporate my company?](https://shadowsoftware.com/guides/where-to-incorporate): Incorporation is a structure choice, not a nationality. Rank jurisdictions on residency, purpose, regulation, banking, and multi-year compliance cost. - [How do I choose a tax residency?](https://shadowsoftware.com/guides/tax-residency-stacks): In TERRA AI, a Stack is a deliberate personal tax residency paired with suggested entities. It is a comparison concept, not a government product. - [What is jurisdiction intelligence?](https://shadowsoftware.com/guides/jurisdiction-intelligence): Structured comparison of tax residencies and company structures across tax, regulation, sovereignty, and values — then a path to the professionals who execute. ## Blog (AEO / SEO articles) - [Blog index](https://shadowsoftware.com/blog): Articles on SEO, AEO, and outbound systems. ## Discovery - Sitemap: https://shadowsoftware.com/sitemap.xml - Robots: https://shadowsoftware.com/robots.txt - Product app: https://terra.shadowsoftware.com