Low-Code / No-Code
10 curated tools in this category
Low-code platforms shift the boundary of what is feasible without a full development project: internal tools, admin panels, and automated workflows take shape in a visual builder instead of a framework. Tools like Appsmith or ToolJet connect to your databases and APIs and turn them into usable interfaces, while Windmill runs scripts and workflows on schedules or events.
This category focuses on open source platforms you can self-host, so business data does not have to pass through third-party clouds. The selection is still small and growing. What separates a low-code platform from no-code tools and what to look for when choosing is covered in the guide below the tools.
ycode
Freemium
Open-Source Website-Builder mit Visual Editor und CMS zum Self-Hosting
Langflow
Freemium
Low-Code AI-Builder für Agenten und RAG-Anwendungen mit visueller Oberfläche
Silex
Open Source
Open-Source Website-Builder für statische Seiten mit visuellen Editor
Vvveb
Open Source
Open-Source CMS mit Drag-and-Drop Page Builder für Websites und Online-Shops
Webstudio
Open Source
Open-Source Website Builder mit vollständiger CSS-Kontrolle und CMS-Integration
Windmill
Open Source
Open-Source-Plattform für interne Tools, Workflows und Datenpipelines
NocoBase
Open Source
Open-Source No-Code-Plattform mit AI-Mitarbeitern und voller Erweiterbarkeit
Appsmith
Open Source
Open-Source Low-Code-Plattform für schnelle Custom-App-Entwicklung
What is a low-code platform?
A low-code platform produces applications through visual builders: interfaces come together via drag and drop, data sources are connected through configuration, and where clicking is not enough, you write targeted code, usually JavaScript or SQL. No-code platforms drop this code layer entirely and hit their limits sooner in return. Appsmith and ToolJet build internal apps on top of existing databases and APIs, NocoBase works data-model-first, Windmill runs scripts as workflows, and Webstudio brings visual building to websites.
Typical use cases
Internal tools on existing data: Correcting orders, looking up customer records, granting approvals. An admin panel in Appsmith or ToolJet stands in days because tables, forms, and buttons come ready-made and only need wiring to the data source.
Workflow automation: Recurring jobs, webhooks, and scheduled scripts run in Windmill versioned as real code (Python, TypeScript, and other languages), with an interface for parameters and execution history.
Websites without a framework project: Marketing and content pages take shape visually in Webstudio, without setting up a dedicated frontend project.
What matters when choosing
Data sovereignty: Internal tools access production databases directly. Self-hosted platforms keep credentials and queries on your infrastructure, which simplifies the GDPR assessment and removes the need for an external data processor.
Exit path: Platform limits only show up in daily use. Check before you start whether logic can be exported as code or is stuck in a proprietary format. Windmill stores workflows as scripts anyway, which keeps the way back to a classic codebase open.
Permissions and traceability: Roles must separate who can change apps from who merely uses them. Without that separation plus an audit history, the quick internal tool becomes an uncontrolled access path to production data.
Frequently asked questions
What is the difference between low-code and no-code?
No-code targets users without programming skills; everything is built through visual configuration. Low-code combines the visual builder with targeted code and targets technical teams that want to ship faster. The practical difference is the ceiling: no-code ends at the platform's limits, while low-code can be extended beyond them with code.
Can low-code platforms be used in a GDPR-compliant way?
Yes, most easily with self-hosted open source platforms like Appsmith, ToolJet, or Windmill: data and credentials stay on your server, and no external data processor is involved. With cloud offerings, the assessment depends on server location and the data processing agreement.
The selection above is small and keeps growing, and every listed tool has been reviewed by hand. For internal apps on existing databases, start with Appsmith or ToolJet; for script-heavy automation, start with Windmill.
