We Build Tools Developers Love
From the Aster programming language to the top-rated VaadinCKEditor, we create open-source libraries, cloud platforms, and developer tools that solve real problems.
Our Products
Open-source tools and commercial platforms built by wontlost, used by developers and enterprises worldwide.
Aster Lang
Human-readable policy language
A type-safe programming language with controlled natural language syntax. Write executable business policies in plain English, Chinese, or German. Powered by a TypeScript compiler and GraalVM Truffle runtime.
VaadinCKEditor
CKEditor 5 for Vaadin Flow
The top-rated CKEditor 5 integration for Vaadin. 70+ plugins, 4 editor types, premium features support, dark mode, i18n, and a builder-pattern Java API. Published on Maven Central.
CKEditor Builder
Visual CKEditor configuration tool
An interactive 7-step wizard for configuring CKEditor 5 instances. Drag-and-drop toolbar builder, live preview, and multi-format code export in Java, TypeScript, or JSON.
Aster Cloud
Policy management SaaS platform
Create, test, and deploy business policies with built-in PII protection, GDPR/HIPAA compliance monitoring, and team collaboration. REST API with multi-language SDKs.
What We Do
End-to-end technology services designed to accelerate your digital transformation and deliver measurable business impact.
Language Design & Compilers
Custom DSL and programming language development with type-safe compilers, multi-language support, and GraalVM-based high-performance runtimes.
Learn moreVaadin & Java Components
Enterprise-grade Vaadin add-ons and Java UI components published on Maven Central, including rich text editing with CKEditor 5 integration.
Learn moreCloud-Native Infrastructure
Production-grade K3s/Kubernetes clusters with GitOps (ArgoCD), HashiCorp Vault secrets management, and automated CI/CD pipelines.
Learn morePolicy & Compliance Engines
SaaS platforms for business policy management with built-in PII detection, GDPR/HIPAA compliance scoring, and team collaboration.
Learn moreFull-Stack Development
End-to-end application development with Next.js, React, Spring Boot, and Vaadin. From prototype to production-ready SaaS platforms.
Learn moreOpen Source & Developer Tools
Published open-source libraries, IDE integrations via LSP, interactive builder tools, and developer-focused documentation.
Learn moreProven Results
See how we helped our clients overcome complex technical challenges and achieve transformative outcomes.
VaadinCKEditor
Vaadin developers lacked a production-ready CKEditor 5 integration. Manual configuration of 70+ plugins, toolbar layouts, and themes required extensive JSON/code editing and deep CKEditor internals knowledge.
Our Solution
- Built a full Vaadin Flow component wrapping CKEditor 5 v47.4.0 with Java builder-pattern API
- Created an interactive 7-step visual CKEditor Builder for zero-code configuration
- Implemented multi-format code export (Java, TypeScript, JSON) for instant integration
- Published to Maven Central and Vaadin Directory with 4.92/5 rating across 25 reviews
Why Choose Us
We combine deep technical expertise with a relentless focus on delivering measurable business outcomes.
Deep Technical Expertise
From compiler design and GraalVM Truffle runtimes to Kubernetes orchestration and SaaS platforms.
Multilingual by Design
Products built with i18n from the ground up — English, Chinese, German, Arabic, and more.
Production-Grade Infrastructure
GitOps-driven K3s clusters with HA PostgreSQL, Vault secrets, Authentik SSO, and automated deployments.
Open Source First
Core libraries published on Maven Central and npm. Community-driven with transparent development.
Developer Experience Focus
Interactive builders, LSP integrations, comprehensive docs, and type-safe APIs that developers love to use.
End-to-End Delivery
From language design and compiler engineering to cloud deployment and ongoing SaaS operations.
Our Tech Stack
We leverage industry-leading technologies to build robust, scalable, and future-proof solutions.
Languages & Runtimes
Backend Frameworks
Frontend
Cloud & Infrastructure
DevOps & Platform
Data & Messaging
What Clients Say
Don't just take our word for it. Here's what our partners have to say about working with us.
"The VaadinCKEditor component is exactly what our enterprise needed. Rich text editing that just works out of the box with Vaadin Flow, and the builder tool made configuration effortless. Truly a 5-star add-on."
"Aster Lang lets our compliance team write executable policies in plain English. No more waiting for engineering to translate business rules into code. The PII detection alone saved us weeks of work."
"The CKEditor Builder took what used to be hours of trial-and-error configuration and turned it into a 5-minute visual workflow. The multi-format export is a game-changer for our team."
How We Work
A proven, transparent process that keeps you informed and in control at every stage.
Discovery
We analyze your domain, existing systems, and objectives to identify the right technical approach.
Architecture
Design system architecture, define APIs and data models, and select the optimal technology stack.
Build
Iterative development with type-safe code, comprehensive testing, and continuous integration.
Deploy
GitOps-driven deployment to Kubernetes with automated pipelines, monitoring, and zero-downtime releases.
Evolve
Ongoing optimization, feature development, and community engagement for open-source projects.
Discovery
We analyze your domain, existing systems, and objectives to identify the right technical approach.
Architecture
Design system architecture, define APIs and data models, and select the optimal technology stack.
Build
Iterative development with type-safe code, comprehensive testing, and continuous integration.
Deploy
GitOps-driven deployment to Kubernetes with automated pipelines, monitoring, and zero-downtime releases.
Evolve
Ongoing optimization, feature development, and community engagement for open-source projects.
Let's Build Something Great
Whether you need a custom language, a Vaadin integration, or cloud infrastructure — we'd love to hear from you.
Open source. Enterprise ready.