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Technologies / Deepnote / Slack

Companies using Deepnote and Slack

3 companies in our data have public evidence for both Deepnote and Slack, and 3 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.

3companies use both
75%of Deepnote users
under 1%of Slack users
3name 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

CompanyDeepnoteSlack
Chartbeatchartbeat.com
Day AIday.aiDay AI provides a context graph and agent control plane for go-to-market teams.AI and machine learningProductivity and collaboration
Statsigstatsig.comStatsig provides a platform for feature flags, experimentation, product analytics, and session replay.Data and analyticsDeveloper tools

The two technologies

Deepnote

Analytics

Deepnote is an open data workspace built for humans and agents. It is used to explore data, automate insights, generate dashboards and data apps, and build and run data agents.

Summarized from deepnote.com on 9 Nov 2026.

75% of the 4 companies we see using Deepnote also show the other.

All 4 companies using DeepnoteMore in Analytics

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 1,926 companies we see using Slack also show the other.

All 1,926 companies using Slack1,335 name it as a subprocessorMore in Productivity

Other pairs

Companies with their own evidence for both.

More with Slack

Cloudflare1,803companiesGoogle Workspace1,570companiesAmazon Web Services1,292companiesStripe891companiesGoogle Tag Manager878companiesGoogle807companies

Questions

How many companies use both Deepnote and Slack?

3 companies in StrataDB's data have public evidence for both, and 3 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 Deepnote and Slack?

Chartbeat, Day AI and Statsig. Each one links to the evidence behind it.

How does StrataDB know a company uses Deepnote 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 Deepnote 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
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call