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Technologies / MailerLite / PostHog

Companies using MailerLite and PostHog

18 companies in our data have public evidence for both MailerLite and PostHog, and 11 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.

18companies use both
37%of MailerLite users
1%of PostHog users
11name both as subprocessors

Companies using one are 4.9 times as likely as the average company in our data to show evidence of the other.

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

CompanyMailerLitePostHog
Add to CRMaddtocrm.comAdd to CRM is a Chrome extension that finds verified email addresses and phone numbers from LinkedIn, Gmail, and Outlook profiles and adds them to a connected CRM.Sales
agpt.coThis company provides a team of AI experts that handle content, sales, research, and recurring work.AI and machine learningProductivity and collaboration
ComplyDogcomplydog.comComplyDog provides GDPR compliance software that sets up a compliance portal, automates DPA signing, and handles data requests.Compliance and risk
Coupler.ioCoupler.io is a no-code data integration platform that connects 400+ data sources to destinations like spreadsheets, warehouses, and BI tools.Data and analytics
GrowPanelgrowpanel.ioGrowPanel provides subscription analytics software that tracks metrics such as MRR, ARR, churn, and cashflow by connecting to billing platforms like Stripe, Chargebee, and Recurly.Data and analytics
HostedScan.comHostedScan is a vulnerability scanning platform that combines multiple third-party scanners to scan websites, servers, networks, and APIs.Compliance and riskCybersecurity
Klarifyklarify.caKlarify provides an AI assistant called Klara that handles notes, prep, paperwork, and admin for therapy sessions.AI and machine learningHealthcare
LinkMCPlinkmcp.ioLinkMCP is a hosted LinkedIn MCP server that connects a user's own LinkedIn account to AI apps like Claude, ChatGPT, or Cursor so they can search people, read profiles and messages, and find work emails.Sales
MindBacklogmindbacklog.comMindBacklog keeps what users said, ranks the problems they have, and hands a coding agent the why, then checks after launch whether it worked.
Noteceptionnoteception.comNoteception turns YouTube videos and web articles into timestamped, source-linked notes and lets users chat across everything they have saved.Productivity and collaboration
Relay Commercerelaycommerce.ioRelay provides an ecosystem of Shopify apps and expertise for e-commerce, covering popups, email/SMS, package protection, subscriptions, and predictive flows.E-commerce
Easy Hotel RFPeasyhotelrfp.comEasy RFP is a hotel sourcing platform for European MICE that provides a structured RFP workflow and side-by-side proposal comparison across an indexed database of hotels.Travel and hospitality
RedPillredpill.aiRedPill provides an OpenAI-compatible API gateway that routes requests to AI models running inside GPU trusted execution environments, with verifiable privacy proofs and signed receipts.AI and machine learningCloud and infrastructure
boords.comBoords provides script, storyboard and animatic tools with frame-level client review and version sign-off for video teams.Design and creativeProductivity and collaboration
dembranedembrane.comDembrane is a platform that records and analyses group conversations at events, generating live results and an outcome document in which each insight traces back to what participants said.Consulting and services
Fishjamfishjam.ioFishjam is a real-time media platform for building video conferencing, interactive streaming, AI voice agents, and video compositing products.Developer tools
GrowSurfgrowsurf.comGrowSurf provides software for running referral and affiliate programs that track referrals and automate rewards.Marketing
Lightpandalightpanda.ioLightpanda builds a headless browser engine for automation, crawling and AI agents, with JavaScript execution and no graphical rendering.AI and machine learningDeveloper tools

The two technologies

MailerLite

Email and communications

MailerLite is an email marketing platform. It is used to send emails, automate targeted emails, and build landing pages, blogs, and signup forms.

Summarized from mailerlite.com on 8 Nov 2026.

37% of the 49 companies we see using MailerLite also show the other.

All 49 companies using MailerLite27 name it as a subprocessorMore in Email and communications

PostHog

Analytics

PostHog is a platform that ingests and stores product analytics, errors, session replays, and business data so teams and their AI agents can query and act on it. It is used to answer product questions, investigate issues across tools, and give agents product context.

Summarized from posthog.com on 8 Nov 2026.

1% of the 1,770 companies we see using PostHog also show the other.

All 1,770 companies using PostHog1,123 name it as a subprocessorMore in Analytics

Industries

Among the companies above, by our own classification of their homepage.

AI and machine learning4Productivity and collaboration3Sales2Compliance and risk2Data and analytics2Developer tools2

Other pairs

Companies with their own evidence for both.

More with MailerLite

Cloudflare49companiesGoogle Workspace37companiesStripe29companiesGoogle27companiesGoogle Analytics23companiesGoogle Tag Manager20companies

More with PostHog

Cloudflare1,765companiesGoogle Workspace1,390companiesStripe989companiesNext.js847companiesAmazon Web Services826companiesVercel818companies

Questions

How many companies use both MailerLite and PostHog?

18 companies in StrataDB's data have public evidence for both, and 11 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 MailerLite and PostHog?

Add to CRM, agpt.co, ComplyDog, Coupler.io and GrowPanel, and 13 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses MailerLite and PostHog?

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 MailerLite and PostHog

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