This is the Linux app named PenEcho whose latest release can be downloaded as PenEcho-Setup-1.2.0-win-x64.exe. It can be run online in the free hosting provider OnWorks for workstations.
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SCREENSHOTS
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PenEcho
DESCRIPTION
PenEcho is an open-source shared canvas that makes handwriting, equations, diagrams, and spatial context part of an AI conversation. Users can draw with pressure-sensitive ink, erase, pan, zoom, type formatted text, and arrange ideas across a large virtual workspace. The application sends focused visual regions to an API, Codex CLI, or Claude CLI and converts model responses into editable canvas commands. AI output can include text, formulas, plots, mixed drawings, erasures, and declarative animations. Sparse tile rendering keeps the 20,000-by-20,000 logical canvas efficient without allocating one enormous bitmap. Local snapshots, undo and redo, lasso selection, PNG export, and manual or automatic AI modes support iterative work. PenEcho is available as a desktop application or Node.js package and supports configurable models, reasoning levels, request retention, and plugins.
Features
- Pressure-sensitive canvas drawing
- Equation and diagram rendering
- API and CLI model support
- Sparse-tile virtual workspace
- Editable AI canvas commands
- Snapshots, export, and plugins
Programming Language
JavaScript
Categories
This is an application that can also be fetched from https://sourceforge.net/projects/penecho.mirror/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.
