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Welcome to Sigilweaver

The visual data pipeline tool you always wished existed.

Sigilweaver is a visual workflow designer for building and executing data processing pipelines through an intuitive drag-and-drop interface. Built as a cross-platform desktop application, it empowers you to create complex data transformations with minimal code.

Pre-Release Software

Sigilweaver is currently in active development. The software and source code are pre-release, but binaries are available for download. Expect rough edges, breaking changes between versions, and evolving APIs. See the Roadmap for current priorities and upcoming features.

Why Sigilweaver?​

  • Visual clarity: See your entire pipeline at a glance—branches, joins, transformations laid out spatially
  • Full power: Backed by Polars—lazy evaluation, blazing speed, production-ready performance
  • Minimal code: Write formulas when you need flexibility, drag-and-drop for structure
  • Instant debugging: Inspect data at any stage, trace errors visually, understand transformations intuitively

Get Started​

Open Source​

Sigilweaver is AGPL-3.0 licensed—always free, always open. No SaaS, no cloud lock-in. You control your data and infrastructure.