Trilium Notes - Trilium Notes is a hierarchical note taking application.
Tree Plotter - Cloud-based tree inventory management for urban forestry
Quick Code - Curated list of free online programming courses
Trees Count - Forestry
Pocket Coder - Coding JavaScript on the go
i-Tree - i-Tree is a state-of-the-art, peer-reviewed software suite from the US Forest Service that provides urban forestry analysis and benefits assessment tools.