HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
Habit List - Create good habits and break bad ones with the app that keeps you focused.
WebCopy - Cyotek WebCopy is a free tool for copying full or partial websites locally onto your harddisk for offline viewing.
Momentum - Agile goal and performance management
GNU Wget - GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most...
Habitica - Habitica is a free habit building and productivity application.