Nexoxa BridgeNexoxa Bridge

SMTP

7 Best SMTP Testing Tools for Developers

Verify TLS, AUTH, and test sends from the same workbench as your databases.

Last reviewed: July 10, 2026

Open Mail studioGet Nexoxa Bridge from Microsoft Store

Disclosure: We make Nexoxa Bridge. It is included here because it is a genuine fit for this comparison — clearly labeled so you can weigh it accordingly.

Editor's picks

Best in-studio

Nexoxa BridgeOur product

Connect smtp://, verify TLS, compose, and send tests beside SSH and SQL.

Best universal DB (no mail)

DBeaver

Great for SQL — pair with a dedicated SMTP tool or Bridge for mail.

Best transfer neighbor

WinSCP

Not SMTP — listed so you remember transfer ≠ mail; use Bridge for both.

  • Nexoxa BridgeOur product

    Windows

    Pricing

    Free (5 connections)$9/mo Pro
    Stars: —
    Native

    Windows developers who want databases, SSH, SFTP/S3, and SMTP in one local-first studio — with optional Cursor MCP by connection name

  • DBeaver

    Windows · macOS · Linux

    Pricing

    Free
    Free trial (14d)$113/yr
    Stars: 50.9k
    Native

    Developers and DBAs who manage many heterogeneous databases and want a single client for SQL and select NoSQL engines

  • TablePlus

    Windows · macOS · Linux · Web

    Pricing

    Free
    $99 lifetime
    Stars: —
    Native

    Developers who want a fast, native desktop GUI across SQL and a handful of NoSQL engines

  • DataGrip

    Windows · macOS · Linux

    Pricing

    Free trial (30d)$109/yr
    Stars: —
    Native

    Developers who want an IDE-grade SQL editor with refactoring, navigation, and Git integration

  • Beekeeper Studio

    Windows · macOS · Linux

    Pricing

    Free
    Free trial (14d)$108/yr
    Stars: 23.2k
    Native

    Developers who want a clean, modern SQL editor with an open-source free edition

  • DbGate

    Windows · macOS · Linux · Web

    Pricing

    Free
    Free trial (30d)$120/yr
    Stars: 7.1k
    Native

    Developers who want one open-source GUI for SQL and NoSQL across desktop and self-hosted web

  • Navicat

    Windows · macOS · Linux

    Pricing

    Free trial (14d)$799.99/yr
    $1299 lifetime
    Stars: —
    Native

    Developers and DBAs who want modeling, BI, and backup tooling across SQL and NoSQL

Deep dives

1

Nexoxa Bridge

Since 2025Featured

Local-first database and infrastructure studio for Windows

Best for: Windows developers who want databases, SSH, SFTP/S3, and SMTP in one local-first studio — with optional Cursor MCP by connection name

Key differentiator: One Windows workbench for PostgreSQL, MySQL, MongoDB, Redis, LibSQL, SSH, S3, SFTP/FTP, and SMTP — credentials encrypted on-device; Cursor talks via nexoxa-mcp using saved names, never raw URLs.

Pros

  • Multi-engine databases plus SSH, SFTP/S3, and SMTP in one app
  • Local encrypted vault — credentials stay on your machine
  • FK knowledge graph and schema-aware Copilot (BYOK)
  • Cursor MCP connects by saved connection name only
  • Free tier with up to 5 saved connections on Microsoft Store

Cons

  • Windows desktop today (not macOS/Linux yet)
  • Desktop app is proprietary; public npm packages (nexoxa-mcp) are open for integration

Supported

  • PostgreSQL
  • MySQL
  • MariaDB
  • MongoDB
  • Redis
  • LibSQL
  • Turso
  • SSH
  • S3
  • SFTP
  • FTP
  • SMTP

Pricing: Free (5 connections)$9/mo Pro

Download

Frequently asked questions

Related guides

Ready to try Nexoxa Bridge?

Free on the Microsoft Store for up to 5 connections. Credentials stay on your machine.

Download for WindowsView pricing