This is a list of software, data, and other resources to use in phenology research studies

• vegindex | github - Python package to generate vegetation index timeseries from PhenoCam images.

• phenodata | github | homepage- A data acquisition and manipulation toolkit for open access phenology data

• phenor | github | homepage - A phenology modelling framework in R

• rnpn | cran | github - R client for the National Phenology Network database API

• Data Retriever | github | homepage - Data download tool which includes National Phenology Network access

• rppo | github - Tool to access NPN, NEON, and PEP725 data in the format of the Plant Phenology Ontology.

• phenor | github | homepage - A phenology modelling framework in R

• pyPhenology | github - Plant phenology models in python with a scikit-learn inspired API

• phenology | cran - Functions used to fit and test the phenology of species based on counts. (in R)

• chillR | cran - Statistical Methods for Phenology Analysis in Temperate Fruit Trees. (in R)

• National Phenology Network | homepage - Citizen science organization in the United States that collects phenology observations

• NECTAR Database | homepage - Compiliation of many smaller phenology datasets

• PEP725 | homepage - Pan European Phenology Project

• PhenoCam | Publication | data download | homepage - An ecosystem phenology web camera network

• MCD12Q2 | homepage - The MODIS Land Cover Dynamics product, which includes phenological transition dates (ie. green up/down)

• The Plant Phenology Ontology | Paper - A new informatics resource for large-scale integration of plant phenology data

• Dataset list on NPN | homepage - Long list of datasets available by request. Hosted by the National Phenology Network