Kai A. Hartung

Kai A. Hartung

MIT-core Symfony e-commerce framework: B2C, B2B, and marketplace architectures for mid-market brands. B2B suite, multi-store, and advanced inventory require Sylius Plus.

End-to-end encrypted messaging and collaboration on the MLS protocol. Swiss/EU jurisdiction, ISO 27001 certified. The self-hosted server is AGPL-3.0 with SAML SSO and SCIM included.

GPL-3.0 code editor: native Rust binary, zero telemetry, BYOK AI keeps source code off Zed's infrastructure. No compliance certs; local-only mode required for regulated environments.

A GPLv3-licensed, self-hosted web analytics platform. A privacy-first alternative to Google Analytics with full data sovereignty and GDPR-native architecture.

AGPLv3-licensed AI financial research platform. Full data sovereignty, zero terminal seat fees, without Bloomberg's proprietary data lock-in.

Self-hostable CRM for managing leads, contacts, and sales pipelines. A Laravel-based alternative to Salesforce with full data sovereignty.

Apache 2.0 team chat with topic-based threading: SAML, LDAP, and SCIM included at no cost; self-hosted deployment inherits your infrastructure's HIPAA and FERPA posture.

An EU-native, AGPL-3.0-licensed time-tracking and invoicing suite for professional services. Self-hostable with full GDPR data residency and zero US CLOUD Act exposure.