# Maildev - **Canonical URI:** https://www.vioscale.ai/software/maildev - **Category:** Email Testing Dev - **Homepage:** https://maildev.github.io/maildev/ - **Also known as:** maildev - **Profile claimed by vendor:** no - **Last updated:** 2026-08-26T19:17:12.621Z ## Vioscale score **63.8 / 100**, confidence 24% (low). Computed 2026-09-01. Composite of weighted, independently-sourced signals (no user reviews, no vendor payment). | Signal | Score | Weight | Contribution | Evidence present | |---|--:|--:|--:|:--:| | price_level | 100 | 0.052 | 5.2 | ✓ | | reliability | 0 | 0.073 | 0 | - | | capabilities | 0 | 0.084 | 0 | - | | repo_stars | 71.3 | 0.026 | 1.9 | ✓ | | integrations | 0 | 0.09355555555555557 | 0 | - | | dependent_projects | 41.6 | 0.063 | 2.6 | ✓ | | dev_activity | 44 | 0.094 | 4.1 | ✓ | | release_cadence | 74.4 | 0.052 | 3.9 | ✓ | | security_posture | 0 | 0.073 | 0 | - | | package_downloads | 0 | 0.136 | 0 | - | | security_score | 46 | 0.042 | 1.9 | ✓ | | pricing_transparency | 80 | 0.084 | 6.7 | ✓ | | community_qa_activity | 0 | 0.063 | 0 | - | ## Pricing _As of 2026-08-20, [verify at source](https://maildev.github.io/maildev/). Independently observed._ Free · Free tier > Free & open source (MIT) ## About Runs as a local SMTP server with a web inbox interface to capture and review emails generated by your application during development. Supports AI agent integration through the Model Context Protocol for automated email inspection. _Independently observed._ ## Platform & deployment - **Platforms:** CLI, Web - **Deployment:** Self-hosted ## Release history | Version | Date | Type | |---|---|---| | [maildev@3.0.0-rc.1](https://github.com/maildev/maildev/releases/tag/maildev%403.0.0-rc.1) | 2026-07-06 | stable | | [v2.2.1](https://github.com/maildev/maildev/releases/tag/v2.2.1) | 2024-12-12 | stable | | [v2.1.0](https://github.com/maildev/maildev/releases/tag/v2.1.0) | 2023-07-20 | stable | | [v2.0.5](https://github.com/maildev/maildev/releases/tag/v2.0.5) | 2022-05-18 | stable | | [v2.0.4](https://github.com/maildev/maildev/releases/tag/v2.0.4) | 2022-05-17 | stable | | [v2.0.2](https://github.com/maildev/maildev/releases/tag/v2.0.2) | 2022-03-23 | stable | | [v2.0.1](https://github.com/maildev/maildev/releases/tag/v2.0.1) | 2022-03-23 | stable | | [v2.0.0](https://github.com/maildev/maildev/releases/tag/v2.0.0) | 2022-03-22 | stable | | [v1.1.1](https://github.com/maildev/maildev/releases/tag/v1.1.1) | 2022-03-22 | stable | | [v1.1.0](https://github.com/maildev/maildev/releases/tag/v1.1.0) | 2019-07-27 | stable | | [1.0.0](https://github.com/maildev/maildev/releases/tag/1.0.0) | 2019-03-19 | stable | | [0.14.0](https://github.com/maildev/maildev/releases/tag/0.14.0) | 2016-08-13 | stable | | [0.13.4](https://github.com/maildev/maildev/releases/tag/0.13.4) | 2016-07-01 | stable | | [0.13.3](https://github.com/maildev/maildev/releases/tag/0.13.3) | 2016-05-16 | stable | | [0.13.2](https://github.com/maildev/maildev/releases/tag/0.13.2) | 2016-05-14 | stable | _… and 5 earlier release(s)._ ## Security & compliance Known vulnerabilities: 1 (0 in the last 12 months), max severity CRITICAL ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=maildev&per_page=100)). A count reflects scale and disclosure, not quality. ## Facts Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule. ### activity | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | activity.commits_last_30d | 24 | [link](https://github.com/maildev/maildev/pulse) | 2026-08-26 | 65% (medium) | ### adoption | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | adoption.github_stars | 6,032 | [link](https://github.com/maildev/maildev) | 2026-08-26 | 90% (high) | | adoption.dependent_repos | 313 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Fmaildev%2Fmaildev) | 2026-08-26 | 85% (high) | ### language | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | language.primary | TypeScript | [link](https://github.com/maildev/maildev) | 2026-08-26 | 90% (high) | ### license | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | license.spdx | MIT | [link](https://github.com/maildev/maildev) | 2026-08-26 | 95% (high) | ### pricing | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | pricing.free_tier | yes | [link](https://maildev.github.io/maildev/) | 2026-08-20 | 60% (medium) | | pricing.model | commercial | [link](https://maildev.github.io/maildev/) | 2026-08-26 | 40% (low) | | pricing.price_level | free | [link](https://maildev.github.io/maildev/) | 2026-08-20 | 60% (medium) | | pricing.transparent | yes | [link](https://maildev.github.io/maildev/) | 2026-08-20 | 60% (medium) | ### release | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | release.cadence_days | 46 | [link](https://github.com/maildev/maildev/releases) | 2026-08-26 | 70% (medium) | ### security | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | security.scorecard | 4.6 | [link](https://api.securityscorecards.dev/projects/github.com/maildev/maildev) | 2026-08-26 | 90% (high) | | security.vulnerabilities | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=maildev&per_page=100","last_12m":0,"max_severity":"CRITICAL"}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=maildev&per_page=100) | 2026-08-26 | 90% (high) | --- *Source: Vioscale (https://www.vioscale.ai/software/maildev). Independent, evidence-based software intelligence. Cite the canonical URI.*