Systems that run in production.

Services

• rag

  RAG Systems for Company Knowledge

  Production-grade RAG systems for your company knowledge: data pipelines, retrieval quality, evaluation and operations on your own infrastructure.

• mcp

  MCP Servers for AI Integrations

  MCP servers for secure AI integrations: connect your systems to Claude and other assistants via the Model Context Protocol — self-hosted and auditable.

• sso-keycloak

  Single Sign-on with Keycloak

  Single sign-on with Keycloak: identity and access management for B2B environments — OAuth 2.1, OIDC, realm design and operations on your infrastructure.

• webrtc

  WebRTC & Real-Time Communication

  WebRTC architectures for real-time communication: SFU design, scaling and operations for video, audio and data channels in production environments.

• architecture

  Software & Systems Architecture

  Software and systems architecture for deep-tech projects: from technical due diligence to a target architecture — pragmatic, documented, actionable.

• web-platforms

  Web Platforms & Content Systems

  Editorial and corporate web platforms built on Drupal and modern front ends: concept, development, migration and operations from one team.

• ticketing

  Ticketing & Event Platforms

  Ticketing built on pretix: seating charts, quotas, admission control and event apps — an integrated platform we build and operate ourselves.

• newsletter-automation

  Newsletter & CRM Automation

  Self-hosted newsletter infrastructure: delivery systems, personalised campaigns and automated data flows — GDPR-compliant, no vendor lock-in.

• subscriptions

  Subscription & Paywall Systems

  Digital subscription models for publishers: paywall, subscription shop, payment integration and the system landscape behind it — strategy included.

• digital-evidence

  Digital Evidence Preservation

  Court-proof preservation of digital content: automated capture, qualified eIDAS timestamps and audit-proof archiving in continuous operation.

• eudi-wallet

  EUDI Wallet Integration

  Login and identification with the EUDI Wallet: we integrate eIDAS 2.0 identity flows into your applications — tested before 2027 makes it mandatory.

• automation

  Process Automation & AI Workflows

  Automating recurring processes: document handling, data flows and LLM workflows built as reviewable pipelines — accountable, not a black box.

• ecommerce

  E-Commerce & Product Tools

  Online shops and the tools around them: shop systems, product registration and configurators — integrated with ERP, payment and fulfilment.

• operations

  Operations & Managed Hosting

  We run what we build: self-hosted on your infrastructure or ours, with monitoring, backups, updates and documented recovery paths that have been tested.

• migration

  Relaunch & Migration

  Replace legacy systems without a rupture: migrate content, users and subscriptions, keep URLs, run in parallel and switch only once it demonstrably works.

• accounting-automation

  Receipt Capture & Pre-Accounting

  Capture receipts and invoices automatically: read the inbox, extract line items, assign accounts and export to DATEV — auditable rather than blind.

• open-source

  Open Source & Reuse

  Build and publish software so others can actually reuse it: licence, a separable core, a documented data model and operations without lock-in.

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Featured case studies

• Product Development

  BelegBot: AI-assisted receipt processing as our own product

  An in-house product for automated receipt processing: submit receipts, extract data via LLM, validate and export — including an MCP interface.

  Next.jsPrismaLLM-APIs

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• Digital Identity

  The EUDI Wallet in practice: Verified Call and wallet login

  Two near-production EUDI Wallet applications: identity-verified video calls and passwordless wallet login — built before eIDAS 2.0 takes effect.

  Node.jsWebRTCOpenID4VP

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• Culture & Events

  planetarium.berlin: website for Stiftung Planetarium Berlin

  A Drupal platform for several venues: event data from the box office, group bookings, newsletters and a programme calendar — extended over years.

  DrupalPHPBecker Billett TOP

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• Publishing & Media

  Publishing platforms for Cicero and Monopol

  Drupal platforms for two magazine brands: editorial workflows, search, shop, paywall and single sign-on — developed and continuously operated.

  DrupalAlgoliaKeycloak

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All case studies →