Grammarly's tech stack
What does Grammarly use?
Grammarly (grammarly.com) uses at least 62 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Salesforce for sales and Zendesk for customer support. Last checked .
- Company page
- Tools found
- 62
- Categories
- 20
- Oldest proven tool
- Jul 2016
- Changes seen
- 1
Grammarly's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
5 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
6 tools, what the product is built with
Frontend
Payments & Billing
Media & UI
Data & Observability
4 tools, what they measure and store
Go-to-market
25 tools, how they find and keep customers
Website & CMS
Marketing
Ads & Pixels
Support & Docs
Company Ops
22 tools, what the team runs on day to day
Email Delivery
Finance & Legal
What changed at Grammarly
Recent starts and stops
- StartedKnowBe4
Using since
Dates come from the first certificate of the subdomain that points at the tool.
Companies like Grammarly also use
Tools common among companies with a similar stack that we haven't found at Grammarly.
Companies with a stack like Grammarly's
Ranked by shared tools, with rare tools counting more.
Tinestines.com21in common
IntuitEnterprise Software28in common
UberPeer-to-peer Ridesharing · 10,000+ people26in common
Campfire Software, Inc.Finance and Accounting · 51–200 people14in common
ShipBobLogistics · 1–10 people29in common
Salt SecuritySecurity · 51–200 people22in common
FivestarsRetail · 201–1,000 people9in common
AkamaiCloud Computing16in common
Grammarly tech stack FAQ
What tools does Grammarly use?
As of October 2026, runsonwhat has found 62 tools at Grammarly (grammarly.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: YouTube, React and Next.js. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 8, 2026.
What cloud does Grammarly run on?
Grammarly uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on grammarly.com. Amazon Web Services is used by 144,711 companies runsonwhat tracks.
What CRM does Grammarly use?
Grammarly uses Salesforce for its CRM, alongside ZoomInfo, 6sense and Common Room, according to runsonwhat (October 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on grammarly.com. Salesforce is used by 33,403 companies runsonwhat tracks.
What email provider does Grammarly use?
Grammarly uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 700,543 companies runsonwhat tracks.
What does Grammarly use for customer support?
Grammarly uses Zendesk for customer support and documentation, alongside Drift, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk, and Grammarly has used it since at least July 2016. Zendesk is used by 40,804 companies runsonwhat tracks.
What payment provider does Grammarly use?
Grammarly uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on grammarly.com. Stripe is used by 26,066 companies runsonwhat tracks.
How long has Grammarly used Zendesk?
Grammarly has used Zendesk since at least July 2016, going by the first public certificate of the grammarly.com subdomain that points at Zendesk. Other long-running tools at Grammarly include Salesforce Marketing Cloud (since March 2018), Atlassian Statuspage (since November 2018) and Amazon CloudFront (since November 2018).
Does Grammarly use Cloudflare?
Yes. runsonwhat found Cloudflare at Grammarly through Cloudflare code on grammarly.com. Cloudflare is a CDN & Edge tool used by 691,225 companies runsonwhat tracks.
Does Grammarly use AI tools?
Yes. runsonwhat has found Anthropic at Grammarly; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Grammarly may use more AI tools than these.
Has Grammarly changed tools recently?
Yes. On runsonwhat's rechecks, Grammarly started using KnowBe4 (latest on October 8, 2026). A change counts only between two checks of grammarly.com done the same way.
Which companies have a tech stack similar to Grammarly's?
The companies with the stacks most like Grammarly's are Tines, Intuit, Uber and Campfire Software, according to runsonwhat (October 2026). Each shares 14 to 28 tools with Grammarly, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Grammarly uses?
runsonwhat reads public records only. Of the 62 tools at Grammarly, 25 were found through code on grammarly.com, 22 through DNS records, 10 through subdomains that point at the vendor, 4 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and grammarly.com about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.