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.
BirdFont is a font editor which lets you create vector graphics and export fonts in TTF, EOT and SVG format. Binary releases are available from the website.
This software inserts and remove the tags exif latitude, longitude and altitude in jpeg, tiff and png images performing the geo-positioning of images, it uses tracklogs of GPS devices.
Helping to transcribe scanned old documents
Scriptoria is a program that helps you to transcribe scanned old documents, with an interface that combines a text editor and an image viewer.