A/B test analysis in Javascript

A/B Test Development Toolkit

A light-weight JavaScript library to help you make sense of your A/B test results.

A/B test sample size calculator which uses a two-tailed sequential likelihood ratio test with false discovery rate controls to calculate statistical significance.

A/B test your Claude Code instruction files.

Zero-dependency A/B test sample-size, test-duration, and minimum-detectable-effect calculator using the two-proportion z-test.

The Uniform toolbar for React and Next.js apps: live visitor profile, A/B test variant forcing and a visitor simulator

Just a simple A/B test middleware

Utility library which makes developing of A/B test variants easier (maybe)

A/B test your coding-agent instruction files against real tasks from your own repo.

Zoho PageSense Node.js SDK for FullStack A/B Test, Goal Tracking, and Experiment Management

MCP server for A/B test statistical analysis — significance testing, sample size calculation, Bayesian analysis, and more

A/B Test Deployment Platform with Umami Server Deployment

A/B Test SDK — codemod-based stable identity system

MisarMail MCP server — send email, run campaigns, manage contacts and automations, A/B test, and audit deliverability from Claude, Cursor, VS Code, Windsurf, and any MCP client.

A/B Test SDK codemod CLI — inject data-ab ids into Vue 3 source

Simple hoc to provide a/b-test features.

A JavaScript A/B test library

an A/B test client for node web

Simple library for handling statistical significance with mulitple variations in an A/B test.