Welcome to Salpa

Salpa is a visual workflow platform for computational molecular science. It lets you build, connect, and execute scientific computing pipelines through a drag-and-drop node editor — no scripting required for common workflows.

What can you do with Salpa?

• Build visual workflows — Drag nodes onto a canvas, connect them, and execute entire pipelines with one click
• Run molecular dynamics — Pre-built nodes for GROMACS, PDB2PQR, and other molecular simulation tools
• Predict protein structures — Run ESMFold and Boltz-2 on cloud GPUs (A100/H100) without managing infrastructure
• Install community nodes — Browse and install nodes from the marketplace to extend your workflows

Quick links

• Getting Started — Install Salpa and run your first workflow
• Features — Overview of all capabilities
• Node System — How nodes and workflows work
• Build Custom Nodes — Extend Salpa with your own computational tools

How it runs

Salpa is a desktop app — install it once and everything you need (Python, isolated environments, background services) starts automatically. You don’t need to install or configure system tooling.

Open source

Public Salpa builds are available on the Pre-Release page . More of the source will be published as the project matures.