ok, this is THE list …
https://github.com/bfoxtrot/greenhouse_management
Custom app for managing the data entry, tracking and reporting for the
Foxtrot Greenhouse. Will track greenhouse variables, water testing and
nutrient/additive tracking.
https://github.com/fderyckel/Ifitwala
An extension of Frappe / ERPNext for agricultural purposes
Check this link for a visual blue print
status: unclear, seems to be in a draft stage
This is fleet management app written for Frappe Framework.
This app is still in Alpha. Do not use in production.
Mandrill alternative app for ERPNext
https://github.com/semilimes/livechat
A live chat inside ERPNext.
adding custom fields (Customer Number to "Customer" & 'Supplier Number' to "Supplier")
BioTrack connector for ERPNext