PulseGatePost-LLM software, agents & workflows market (since 2022)

Private Grammar Checker

Harper is a blazing-fast, open-source grammar & spell checker that runs entirely on your device, covering US, UK, Canadian & Australian English—no data ever leaves your machine. Harper is the only grammar checker that doesn

Visit writewithharper.com

Trust & compliance

Verified signals

HTTPS GitHub Store-verified publisher

Recent events

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At a glance

Languages: English
Open source: Yes (GitHub)
First seen: Feb 12, 2026

Developer

GitHub

Open source

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PulseGate index

Confidence: Low · 60
Indexed: Feb 12, 2026
Lifecycle: Alive
First seen: Feb 2026
Freshness: Unknown

Identity audit (9)

Entity ID: cmliy9as54855erylsifwko1i
Slug: private-grammar-checker-harper-writewithharper-com
Lifecycle last checked: Apr 26, 2026
Verification state: Indexed for public listing
Claim / listing state: Unclaimed · listed: yes
Index status: Included in index
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Last updated: May 22, 2026
Canonical URL: https://writewithharper.com/

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