Package

maildev

SMTP Server and Web Interface for reading and testing emails during development

v3.0.0, 23 Sept 2026MITESM onlyTypes: BundledEmail Testing

$ npm install maildev

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 49.1k; -37% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 6; Direct, from package.json
Last release: 1 day ago; v3.0.0
GitHub stars: 6.1k; 563 forks
Open issues / PRs: 31 / 5
Contributors: -
Commits, last 52 weeks: 97

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

49,083 downloads last week, 298,758 in the last month. The 12-month change of -37% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: -
Latest version: 3.0.0, 23 Sept 20261 day ago
First published: -
Last push to GitHub: 24 Sept 2026same day as the snapshot
Repository archived: No
Open issues: 31
Open pull requests: 5
Commits, last 52 weeks: 97
Dependents on npm: 13

Major versions

Recent releases

Compatibility

Module format: ESM onlyFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: >=20.0.0
Runtimes: -
Unpacked size (npm): 230 kB
Dependencies (6): commander@maildev/ui@maildev/api@maildev/mcp@maildev/core@maildev/smtp

Install

npm install maildev

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/maildev@3.0.0/
unpkghttps://unpkg.com/maildev@3.0.0/
esm.shhttps://esm.sh/maildev@3.0.0

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
mailslurp-client Official client for MailSlurp Email and SMS API. Create email addresses and phone numbers in Javascript without a mail server. Send and receive real emails in applications or tests.	142.9k	-	today	CommonJS	-
@mailsac/api Official Mailsac API client library	10.8k	-	1 year ago	CommonJS	-
@upyo/core Simple email sending library for Node.js, Deno, Bun, and edge functions	5k	-	15 days ago	ESM + CommonJS	-
cypress-mailosaur Extends Cypress' cy commands that let you integrate email and SMS testing into your continuous integration process.	58k	-	7 months ago	CommonJS	-
monocart-reporter A playwright test reporter. Shows suites/cases/steps with tree style, markdown annotations, custom columns/formatters/data collection visitors, console logs, style tags, send email.	245k	-	-	ESM + CommonJS	-

Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.