Free drawing software for Windows, Mac OS X, and Linux
Dia Diagram Editor is free Open Source drawing software for Windows, Mac OS X and Linux. Dia supports more than 30 different diagram types like flowcharts, network diagrams, database models. More than a thousand readymade objects help to draw professional diagrams. Dia can read and write a number of different raster and vector image formats. Software developers and database specialists can use Dia as a CASE tool to generate code skeletons from their drawings. Dia can be scripted and extended using Python.
Whyteboard is a painting whiteboard application for Linux and Windows, that allows the annotation of PDF and PostScript documents, and image files with common drawing tools.
GTKRawGallery is a workflow oriented photo retouching software for camera raw image development. It is also a versatile photo manager for popular image formats.
dedalo is a 2d cad drawing software written in python3.
dedalo is a 2d cad drawing software written in python3. It is licensed under the GPLv3. Dedalo features: layers, snaps (endpoint, intersection, midpoint), line, polyline, rectangle, delete, polygon, rectangle, arc, circle, points, text, spline, freehand drawing. Move, scale, rotate, offset, cut, extend, hatch, dimension, copy. English, italian languages SVG read-write. Not all features all fully supported. For more information a user manual is provided(pdf format, italian).