Python package of Tomoto, the Topic Modeling Tool

GraphMat graph analytics framework

High performance topic modeling for Ruby

Using latent Dirichlet allocation (LDA) in Apache Lucene

by Prof. Mark Steyvers https://steyvers.socsci.uci.edu/data-and-code

LDA topic modeling C++ software

Latent Dirichlet Allocation using Collapsed Gibbs sampling

Topic Modeling with Logical Constraints on Words

Variational latent dirichlet allocation

latent dirichlet allocation (topic modeling) implementations for hpc and cloud systems