1. StopwordA module for node.js and the browser that takes in text and strips it of stopwords
2. Search IndexA persistent, network resilient, full text search library for the browser and Node.js
3. NorchA search engine based on Node.js and LevelDB
5. term-frequencyA simple term frequency library (see https://en.wikipedia.org/wiki/Tf%E2%80%93idf#Term_frequency_2 )
6. term-vectorA node.js module that creates a term vector from a mixed text input. Supports stopword removal and customisable separators.