INTCENS: Stata module to perform interval-censored survival analysis. This program fits various distributions by maximum likelihood to non-negative data which can be left-, right- or interval-censored or point data. The supported distributions are exponential, Weibull, Gompertz, log-logistic, log-normal, 2 and 3 parameter gamma, inverse Gaussian and an extension of the inverse Gaussian which is the time to reach a certain point for a Wiener process with random drift.