darktable
Description: darktable is an open source photography workflow application and raw developer. It manages your digital negatives in a database, lets you view them through a zoomable lighttable, and enables you to develop raw images and enhance them.
Type: software
Pricing: Free
TriangleDraw
Description: TriangleDraw is a free, open-source software for drawing triangles of various types. It allows you to easily construct equilateral, isosceles, scalene, right, acute and obtuse triangles by specifying side lengths and angles. Useful for geometry students, teachers, and hobbyists.
Type: software
Pricing: Open Source