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App 7 installs/mo

HELO for Mac

Email tester and debugger

Quick answer: HELO is a developer tool for macOS. Install it with brew install --cask helo. The licence is not declared in Homebrew metadata. It has 7 Homebrew installs in the last 30 days.

What HELO is

HELO is a developer tool for macOS: email tester and debugger.

It is distributed as a Homebrew cask, which installs a .app bundle into your Applications folder. Homebrew only automates the download and install step; the licence terms come from the vendor.

How to install HELO

  1. Open Terminal (press ⌘ + Space and type “Terminal”).
  2. If Homebrew is not installed yet, run the installer below once.
  3. Run brew install --cask helo.

Homebrew installer, if you need it:

Prefer a graphical installer? Download it from the official site. MacPicks never hosts or mirrors binaries — the Homebrew command always pulls from the vendor's own release.

Similar apps in Developer Tools

Closest apps in the same category, ordered by description similarity and install base. These are related tools, not confirmed substitutes; the comparison pages cover hand-picked head-to-head matchups.

Frequently asked questions

How do I install HELO on Mac?

Run brew install --cask helo in Terminal. This requires Homebrew; if you do not have it, install it first with the command below.

Is HELO open source?

Homebrew's metadata does not declare a licence for this app, so the official site is the authoritative source.

Does HELO run on Apple silicon?

Yes, as a universal binary.

How popular is HELO?

It was installed 7 times in the last 30 days according to Homebrew analytics, ranking #8831 in this catalogue.

What version of HELO is current?

The latest packaged version is 1.7.0.