Tree Plotter - Cloud-based tree inventory management for urban forestry
digiKam - Professional Photo Management with the Power of Open Source
Factor - Factor programming language
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
Commodity ProManage - Commodity ProManage (CPM) manages procurement related tasks for all forest products companies that include biomass facilities, pulp and paper, etc.
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.