Herald – Local-first terminal email client

Hacker News

Hi folks, Some time ago I tried to find a way to clean up my 10k emails inbox and could find anything which worked for me. So I built built my own tool which evolved into a client. More that out of necessity but for fun add semantic search, LLM based tagging, and clean up rule...

Published: May 1, 2026
First seen: May 1, 2026

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AI Summary

Best for

Teams evaluating AI product workflows / Builders comparing emerging tools / Operators tracking early category shifts

Why it matters

Primary discovery source is Hacker News.

Key Features

Primary public product URL is https://herald-mail.app/.
Description: Hi folks, Some time ago I tried to find a way to clean up my 10k emails inbox and could find anything which worked for me. So I built built my own tool which evolved into a client. More that out of necessity but for f....
Listed on Hacker News as "Herald – Local-first terminal email client".
Source description: Hi folks, Some time ago I tried to find a way to clean up my 10k emails inbox and could find anything which worked for me. So I built built my own tool which evolved into a client. More that out of necessity but for f....
Source publish date is 2026-05-01.

Use Cases

Primary discovery source is Hacker News.
Hacker News mention is recent (2026-05-01).
Primary public product URL is https://herald-mail.app/.
Description: Hi folks, Some time ago I tried to find a way to clean up my 10k emails inbox and could find anything which worked for me. So I built built my own tool which evolved into a client. More that out of necessity but for f....
Listed on Hacker News as "Herald – Local-first terminal email client".

Why Now

Herald – Local-first terminal email client is appearing on fresh discovery surfaces, so it is worth reviewing while momentum is still forming. Confidence is currently low (41/100), so treat this as an early signal rather than a settled trend.

Community Signals

Trend score

44.2

24h momentum

Rising

Hacker News points

Rising

Facts / Signals / Inference / Unknowns

Facts

Listed on Hacker News as "Herald – Local-first terminal email client".
Source description: Hi folks, Some time ago I tried to find a way to clean up my 10k emails inbox and could find anything which worked for me. So I built built my own tool which evolved into a client. More that out of necessity but for f....
Source publish date is 2026-05-01.
Description: Hi folks, Some time ago I tried to find a way to clean up my 10k emails inbox and could find anything which worked for me. So I built built my own tool which evolved into a client. More that out of necessity but for f....
Primary public product URL is https://herald-mail.app/.

Signals

Hacker News mention is recent (2026-05-01).
Primary discovery source is Hacker News.

Inference

Trust data is still pending

The evidence pipeline has not produced enough structured trust blocks for this product yet.

Unknowns

Documentation is not explicitly linked in the current allowed evidence set.
No tagline is stored on the current product record.
Pricing details are not explicitly linked in the current allowed evidence set.
Recent changelog or release history is not explicitly linked in the current allowed evidence set.

Evidence Snapshots

Herald – Local-first terminal email client
Listed on Hacker News as "Herald – Local-first terminal email client".
Source page snapshotCaptured: May 1, 2026
Open source

Herald – Local-first terminal email client official profile
Primary public product URL is https://herald-mail.app/.
Official websiteCaptured: May 1, 2026
Open source

Alternatives / Related

Original Sources

Hacker News