Tool Primary Manual Description
ALMA Observing Tool  OT Reference Manual Java application used for the preparation and submission of ALMA Phase 1 (observing proposal) and Phase 2 (telescope runfiles for accepted proposals) materials.
ALMA Sensitivity Calculator Calculates the necessary integration times for a given sensitivity, or vice versa, for your ALMA observing project. Java plugin required
CASA Simulator & Configuration Files Allows user to simulate interferometric observations, including the ALMA observatory. The simulations consider the configuration of the ALMA array, the receiver specifics and atmospheric conditions.
Splatalogue Splatalogue QuickStart Guide Database for astronomical spectroscopy. Users can search for atomic and molecular transitions lines using several different search parameters such as name, transition, frequency range, energy range, line strength, etc.
Atmospheric model Allows the user to model the atmospheric transmission as a function of frequency and amount of precipitable water vapor. The output is a plot of the transmission fraction. 
ALMA Observation Support Tool OST Documentation simulates ALMA observations
ALMA solar ephemeris generator tool User Manual

Community-Developed Tools

Tool Primary Manual Description
Radio Astro Tools The radio-astro-tools package is a hub for community-developed python tools related to ALMA.