CardStock
The premium Open Source alternative to Anvil
🎯 Best for:Developers wanting to build desktop GUIs without learning CSS/HTML.
What is CardStock?
Replaces complex GUI frameworks like PyQt or Tkinter with a drawing-style editor. Combines a vector-based layout engine with an event-driven Python backend for rapid tool creation.
Tech Stack
PythonLow-Code & Builder
Why CardStock?
- • Visual layout engine
- • Native Python execution
- • Cross-platform support
Limitations
- • Niche ecosystem
- • Limited widget library
- • Desktop only
2/22/2026
Last Update
9
Forks
7
Issues
MPL-2.0
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to CardStock instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Anvil)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%