PRODUCTIVITY

Pure Effect: Business logic as plain data

Pure Effect is a zero-dependency effect library for JavaScript and TypeScript. Your business logic returns plain objects describing the I/O it would perform, instead of performing it. You can read those objects in a test or replay them from a failed production run, and the database is never touched until the interpreter runs them.

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pure-effect.org·Updated Jun 22, 2026
Pure Effect: Business logic as plain data screenshot

What is Pure Effect: Business logic as plain data?

Pure Effect is a zero-dependency effect library for JavaScript and TypeScript. Your business logic returns plain objects describing the I/O it would perform, instead of performing it. You can read those objects in a test or replay them from a failed production run, and the database is never touched until the interpreter runs them.

Pure Effect: Business logic as plain data Pricing

PlanFree Trial
ModelFreemium
View full pricing on pure-effect.org

Frequently Asked Questions

What is Pure Effect: Business logic as plain data?

Pure Effect is a zero-dependency effect library for JavaScript and TypeScript. Your business logic returns plain objects describing the I/O it would perform, instead of performing it. You can read those objects in a test or replay them from a failed production run, and the database is never touched until the interpreter runs them.

How much does Pure Effect: Business logic as plain data cost?

Pure Effect: Business logic as plain data is available at Free Trial. Visit pure-effect.org for the latest pricing details and available plans.

Is Pure Effect: Business logic as plain data free?

Pure Effect: Business logic as plain data offers a free tier with optional paid upgrades.

What category does Pure Effect: Business logic as plain data belong to?

Pure Effect: Business logic as plain data is listed under Productivity on Tool Atlas. Browse more tools in this category.

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ALTERNATIVES

Pure Effect: Business logic as plain data Alternatives