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Technologies / GitBook / Slack

Companies using GitBook and Slack

4 companies in our data have public evidence for both GitBook and Slack, and 4 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

4companies use both
67%of GitBook users
under 1%of Slack users
4name both as subprocessors

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyGitBookSlack
Chronographchronograph.peData and analyticsFinance and accounting software
Deepgramdeepgram.comDeepgram provides real-time speech-to-text, text-to-speech, and voice agent APIs.AI and machine learning
Mailtrapmailtrap.ioMailtrap provides an email API and SMTP service for sending transactional and promotional emails, plus an email sandbox for testing emails in staging and development environments.Developer tools
Pamoja Educationpamojaeducation.comPamoja provides IB-approved online courses for schools and students.Education

The two technologies

GitBook is a documentation platform that flags outdated content and fixes it. It is used to keep docs accurate for both people and AI.

Summarized from gitbook.com on 8 Nov 2026.

67% of the 6 companies we see using GitBook also show the other.

All 6 companies using GitBook5 name it as a subprocessor

Slack

by Salesforce · Productivity

Slack is a collaboration platform where teams chat, share files, and work together in channels. It is used for team communication, connecting apps and agents, and automating everyday work.

Summarized from slack.com on 8 Nov 2026.

under 1% of the 1,944 companies we see using Slack also show the other.

All 1,944 companies using Slack1,350 name it as a subprocessorMore in Productivity

Other pairs

Companies with their own evidence for both.

More with GitBook

Cloudflare6companiesGoogle6companiesAmazon Web Services5companiesGoogle Tag Manager5companies

More with Slack

Cloudflare1,821companiesGoogle Workspace1,585companiesAmazon Web Services1,305companiesStripe898companiesGoogle Tag Manager884companiesGoogle812companies

Questions

How many companies use both GitBook and Slack?

4 companies in StrataDB's data have public evidence for both, and 4 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use GitBook and Slack?

Chronograph, Deepgram, Mailtrap and Pamoja Education. Each one links to the evidence behind it.

How does StrataDB know a company uses GitBook and Slack?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using GitBook and Slack

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
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