Custom software, mobile apps, AI solutions & Kubernetes infrastructure —
built and operated from Lünen, Germany, for clients across the Ruhr area. 🇩🇪
We build a lot — client platforms, our own apps in the stores, internal tooling. Some of the tools we create along the way are useful to everyone, so we open-source them here.
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Chatwerk — all your Claude Code chats in one place. Browse, search, tag and resume every session on your Mac with one click. 100 % local, zero dependencies, native SwiftUI. Download for macOS → |
More tools are on the way — watch this space. ✨
- Vokabwerk — vocabulary trainer for German learners with CEFR word lists and translations in 22 languages. Live on the App Store & Google Play. (React Native · NestJS · Kubernetes)
- Wachwerk — macOS menu bar app that keeps your Mac awake through long build, AI and work sessions. (Swift · native for Intel & Apple Silicon)
- AI & digital transformation — support chatbots on your own knowledge base, document workflows, LLM integration; GDPR-compliant, self-hosted or via API
- Custom software — tailored web applications and backends, from requirements to production
- Mobile apps (iOS & Android) — Swift/SwiftUI, Kotlin or React Native, incl. backend, push, subscriptions and store release
- Docker, Kubernetes & DevOps — container setups, CI/CD pipelines, monitoring and disaster recovery
- IT security — from penetration testing to incident response
- Digital products & 3D configurators — SaaS platforms, e-commerce and real-time 3D product configurators (Three.js/WebGL)
🌍 sewerk.de · ✉️ info@sewerk.de
SEwerk Software & IT-Solutions e.K. · Lünen, Germany
