Longfellow Labs LLC
building tools for science and language
About Us
Longfellow Labs LLC is a Boston-based data analysis and software development company founded in 2026 to bridge the gap between what exists and what is possible with AI.
Contact →Projects
TRExplorer
An online portal that guides analysis and interpretation of tandem repeat variation in the human genome, providing population allele frequencies and other annotations.
Open site →TR Genotyping
A fork of ExpansionHunter that optimizes and extends the original, adding allele quality scores, motif composition and other features.
View on GitHub →
SpliceAI-lookup
A web tool for running SpliceAI and Pangolin splicing prediction models on any variant, and then visualizing and interpreting the results.
Open site →Swedish Flashcards with Audio
A flashcard app for learning Swedish vocabulary and phrases, with native audio in two voices and literal word-by-word translations.
Open app →More coming soon…