Zasper is an open-source High Performance IDE for working with Jupyter notebooks. It’s built from scratch to be:

• 🚀 Blazing fast
• 🧠 Highly concurrent
• 💾 Low on resource usage
• 💥 Crash-resistant, even under heavy loads

It is cross-platform:

• ✅ Fully supported: macOS & Linux
• ⚠️ Limited support: Windows — for the best experience, use via WSL

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Benchmarks

How is Zasper better than JupyterLab?

• Up to 5X Less CPU usage
• Up to 40X Less RAM usage
• Higher throughput
• Lower latency
• Highly resilient under very high loads

Benchmark comparison report can be accessed here.

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📷 Screenshots

Editor

Terminal

Launcher

Jupyter Notebook

Version Control

Command Palette

Dark Mode