Who uses what — and who's switching
A company's stack leaks into public data: its email/DNS providers in DNS records, and the SaaS tools it names across its job postings. We snapshot both and diff them over time, so each page below shows the companies currently on a tool and the ones that just adopted or dropped it — a switching feed nobody else publishes.
- Google Workspaceemail platform / email sender254 companies
- AWS Route 53DNS provider119 companies · 3 recent changes
- CloudflareDNS provider94 companies
- SalesforceCRM93 companies
- HubSpotCRM84 companies
- Outreachsales engagement54 companies
- Kubernetescontainer orchestration53 companies
- AnthropicAI48 companies
- Amazon SESemail platform / email sender46 companies
- Segmentcustomer data platform43 companies
- Mailgunemail platform / email sender41 companies
- Marketomarketing automation41 companies
- SendGridemail platform / email sender40 companies
- Terraforminfrastructure as code40 companies
- LookerBI39 companies
- TableauBI38 companies
- Snowflakedata warehouse32 companies
- Airflowdata orchestration31 companies
- dbtdata transformation30 companies
- NetSuiteERP30 companies
- WorkdayHR & finance30 companies
- OpenAIAI26 companies
- Kafkaevent streaming25 companies
- Mailchimpemail marketing24 companies
- Sparkbig data24 companies
- Zendeskcustomer support23 companies
- Databricksdata platform22 companies
- Datadogobservability22 companies
- GoogleDNS provider22 companies · 1 recent changes
- Mandrillemail sender20 companies
- Gongrevenue intelligence19 companies
- LangChainAI17 companies
- Microsoft 365email platform / email sender15 companies
- Stripepayments14 companies
- Power BIBI12 companies
- Amplitudeproduct analytics9 companies
- Proofpointemail platform / email sender8 companies
- NS1DNS provider7 companies
- Intercomcustomer support6 companies · 1 recent changes
- Salesloftsales engagement6 companies
- Azure DNSDNS provider5 companies