Saturday, 5 September 2026Directory: The tool for the task.70 tools · 36 official sources
70 tools in 10 tasks. Each says what it is for, what it costs, and whether it is the official source.
find.doThe tool for the task.
◆ marks the regulator, registry or test maker. The steps that use these tools are on for.do.

Send email that lands

Newsletters, outreach and the authentication that keeps you out of spam.8 listed

◆ Official sources

Google email sender guidelines◆support.google.com

Knowing the thresholds (DMARC, one-click unsubscribe, spam complaints under 0.3%) before sending at volume.

free Open ↗
See: Run a cold email campaign that gets replies (and stays out of spam) · Launch an email newsletter

Tools and services

beehiivbeehiiv.com

A newsletter you intend to grow deliberately; free up to a subscriber limit, then tiered.

free tier Open ↗
See: Launch an email newsletter
Buttondownbuttondown.com

Writers who want plain text, RSS-to-email and no dashboard noise; free for small lists.

free tier Open ↗
See: Launch an email newsletter
Instantlyinstantly.ai

Running outreach from secondary domains at small daily volumes with warm-up built in.

Open ↗
See: Run a cold email campaign that gets replies (and stays out of spam)
Kit (formerly ConvertKit)kit.com

Newsletters that need sequences and tagging; free tier for small lists.

free tier Open ↗
See: Launch an email newsletter
MXToolboxmxtoolbox.com

Verifying email authentication before an outreach or newsletter send; the SuperTool covers most checks free.

free tier Open ↗
See: Run a cold email campaign that gets replies (and stays out of spam) · Launch an email newsletter
NeverBounceneverbounce.com

Cleaning a prospect list before a cold campaign; pay per verification.

Open ↗
See: Run a cold email campaign that gets replies (and stays out of spam)
Substacksubstack.com

Starting a newsletter with zero setup; takes 10% of paid subscriptions, free otherwise.

free tier Open ↗
See: Launch an email newsletter