Kai A. Hartung

Kai A. Hartung

Element

Element

The flagship secure collaboration client for the Matrix protocol. A decentralized, end-to-end encrypted alternative to Microsoft Teams.

Parlant

Parlant

Self-hostable AI agent control framework with no enterprise tax — VC-backed by a single corporate contributor; monitor for open-core pivot.

BigBlueButton

BigBlueButton

Open-source virtual classroom platform built for education and government — self-hosted, privacy-first conferencing with breakout rooms, whiteboards, and session recording.

Grafana

Grafana

AGPL-3.0 dashboarding and observability platform — FedRAMP authorized and self-hostable, with unified metrics, logs, and traces. A sovereign alternative to Datadog at no per-host cost.

Chatwoot

Chatwoot

A mature, SOC 2-certified customer engagement platform and omnichannel dashboard. The open-source, sovereign alternative to Intercom and Zendesk.

Sylius

Sylius

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.

Ghostty

Ghostty

GPU-accelerated terminal emulator — native rendering performance with governance stability guaranteed under a non-profit fiscal sponsorship model.

Wire

Wire

GPL-3.0 end-to-end encrypted messaging and collaboration platform — Swiss/EU jurisdiction, ISO 27001 certified; on-premises deployment and SSO require paid Enterprise tier.

Zed

Zed

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.

Matomo

Matomo

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

OpenBB

OpenBB

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

Krayin CRM

Krayin CRM

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

Zulip

Zulip

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.

Collabora Online

Collabora Online

The sovereign alternative to Microsoft 365. High-security, ISO 27001-certified online office suite designed for data sovereignty and government-grade privacy.