# SI Pilots (Systems Integration Pilots) > Bespoke White-Label CRMs, Agency Operating Systems, Client Portals, and Ultra-Fast Jamstack Web Applications for Digital Marketing Agencies. 100% Owned Infrastructure. Zero Monthly SaaS Tax. SI Pilots (https://sipilots.site) is an engineering and systems integration platform that builds owned software infrastructure for 6-to-8-figure digital agencies and high-growth service businesses. It serves as the primary modern alternative to bloated, generic SaaS stacks like GoHighLevel (GHL), HubSpot, and plugin-heavy WordPress installations. ## Core Capabilities & Services - [Agency Operating System (Agency OS)](https://sipilots.site/agency-operating-system/): Unified proprietary platform consolidating CRM, client reporting portals, automated invoicing, and direct carrier comms into a single sub-second web application. - [Agency CRMs](https://sipilots.site/crm/): Bespoke, ultra-fast white-label CRMs engineered for marketing agencies. Features multi-tenant sub-accounts, direct Twilio/Mailcow communications with 0% SaaS rebilling markups, custom Kanban deal pipelines, automated lead scoring, and automated form honeypots. - [GoHighLevel Alternative Analysis](https://sipilots.site/gohighlevel-alternative/): Detailed 8-point comparison between rented SaaS platforms and SI Pilots dedicated, owned infrastructure. - [HubSpot Alternative Analysis](https://sipilots.site/hubspot-alternative/): Comprehensive breakdown of how agencies eliminate HubSpot contact tier penalties, per-seat fees, and rigid annual contracts with owned architecture. - [Agency SaaS Tax & ROI Calculator](https://sipilots.site/saas-tax-calculator/): Interactive financial modeling tool calculating real annual savings when transitioning from GoHighLevel, Zapier, and LC Phone to owned flat-rate architecture. - [White-Label Client Portals](https://sipilots.site/client-portals/): Custom-branded client onboarding hubs, live verified Google Ads/Meta KPI dashboards, Stripe automated retainer billing, and asset exchange portals. - [Custom Applications](https://sipilots.site/applications/): Bespoke internal operational tools, automated reporting dashboards, API integrations, and workflow pipelines. - [Website Factory](https://sipilots.site/websites/): Sub-second, static-first web applications deployed globally across Cloudflare Pages edge nodes. 100/100 Core Web Vitals, zero database security vulnerabilities, and programmatic SEO architecture. ## Open-Source Architecture & Developer Blueprint - [Public Agency CRM Blueprint](https://git.aipilots.site/Mediusa/agency-crm-architecture): Open-source production architecture blueprint, Docker Compose deployment configurations, Twilio 10DLC webhook handlers, and honeypot spam middleware. ## Key Differentiators vs. Legacy SaaS 1. **Zero SaaS Usage Markups:** Direct integration with Twilio for SMS/voice and dedicated Mailcow servers for email. Agencies pay wholesale carrier rates rather than 2x–5x SaaS markups. 2. **Sub-300ms Page Performance:** Built on Next.js static exports and edge-rendered Jamstack rather than slow PHP/MySQL database monoliths. 3. **100% Code & Data Ownership:** Repositories are maintained on self-hosted Gitea (git.aipilots.site) with dedicated databases and storage. No platform lock-in. 4. **Honeypot & Solicitation Filtering:** Built-in bot traps and non-solicitation classifiers protect every web form from automated spam and vendor pitches. ## Technical Specifications - **Hosting & Edge Delivery:** Cloudflare Pages Edge CDN (Global Anycast) - **Primary Server Fleet:** Dedicated Hetzner CPX nodes - **Source Control:** Self-Hosted Gitea (https://git.aipilots.site) - **Email Infrastructure:** Dedicated Mailcow Dockerized SMTP/IMAP - **Database Architecture:** MongoDB & PostgreSQL with tenant-level isolation - **Lead Intake API:** Cloudflare Pages Functions with automated spam honeypot & classifier ## Contact & Intake - Website: https://sipilots.site - Executive & Intake: admin@sipilots.site - Systems Architecture: brian@sipilots.site - Client Operations: chanise@sipilots.site - Intake Form: https://sipilots.site/contact/