Gantt charts and scheduling within Basecamp
Did exactly what I needed. Definitely recommend for an easy extension that works directly in Basecamp. Pretty cool.
https://gantt-chart.com
https://goodgantt.com
https://placker.com
https://offidocs.com
www.trackedhq.com
https://www.syedgakbar.com
https://basecamp3.zrix.com
Jerry Ye
alexdbsoft
Toan Nguyen
https://www.tickspot.com
https://www.getharvest.com