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 sender260 companies · 4 recent changes
- SalesforceCRM151 companies · 5 recent changes
- AnthropicAI124 companies · 8 recent changes
- AWS Route 53DNS provider122 companies · 6 recent changes
- Kubernetescontainer orchestration115 companies · 1 recent changes
- GitHubdeveloper platform104 companies · 44 recent changes
- HubSpotCRM104 companies · 7 recent changes
- Terraforminfrastructure as code100 companies · 2 recent changes
- CloudflareDNS provider96 companies
- LookerBI86 companies · 4 recent changes
- Segmentcustomer data platform84 companies · 4 recent changes
- TableauBI79 companies · 3 recent changes
- Jiraproject management70 companies · 32 recent changes
- Snowflakedata warehouse69 companies · 5 recent changes
- dbtdata transformation68 companies · 3 recent changes
- Kafkaevent streaming61 companies · 5 recent changes
- NetSuiteERP61 companies · 3 recent changes
- Figmadesign58 companies · 35 recent changes
- Datadogobservability56 companies · 6 recent changes
- Airflowdata orchestration53 companies · 3 recent changes
- WorkdayHR & finance53 companies · 3 recent changes
- Marketomarketing automation49 companies · 2 recent changes
- Amazon SESemail platform / email sender46 companies
- BigQuerydata warehouse46 companies · 25 recent changes
- Grafanaobservability45 companies · 17 recent changes
- Mailgunemail platform / email sender42 companies
- OpenAIAI42 companies
- SendGridemail platform / email sender42 companies
- Databricksdata platform41 companies
- Zendeskcustomer support41 companies · 5 recent changes
- LangChainAI36 companies · 2 recent changes
- Oktaidentity31 companies · 24 recent changes
- Power BIBI29 companies · 2 recent changes
- Stripepayments29 companies · 2 recent changes
- Zapierautomation28 companies · 16 recent changes
- MongoDBdatabase26 companies · 12 recent changes
- Mailchimpemail marketing25 companies · 1 recent changes
- Workatointegration25 companies · 15 recent changes
- GoogleDNS provider23 companies · 4 recent changes
- Confluenceknowledge base22 companies · 14 recent changes
- Mandrillemail sender22 companies
- Amplitudeproduct analytics20 companies · 1 recent changes
- Elasticsearchsearch17 companies · 10 recent changes
- GitLabdeveloper platform17 companies · 2 recent changes
- Microsoft 365email platform / email sender16 companies
- ServiceNowITSM15 companies · 6 recent changes
- Shopifyecommerce15 companies · 4 recent changes
- Sparkbig data15 companies
- Intercomcustomer support11 companies · 1 recent changes
- PagerDutyincident management11 companies · 5 recent changes
- Zuorasubscription billing11 companies · 5 recent changes
- Salesloftsales engagement10 companies · 1 recent changes
- Brazecustomer engagement9 companies · 5 recent changes
- MetabaseBI9 companies · 3 recent changes
- Mixpanelproduct analytics8 companies
- Proofpointemail platform / email sender8 companies
- New Relicobservability7 companies · 2 recent changes
- NS1DNS provider7 companies
- Pineconevector database6 companies
- Azure DNSDNS provider5 companies
- Outreachsales engagement5 companies
- Pardotmarketing automation5 companies
- Pendoproduct analytics5 companies · 3 recent changes
- PostHogproduct analytics5 companies · 4 recent changes
- Weaviatevector database5 companies
- Auth0identity4 companies · 1 recent changes
- Customer.iocustomer engagement3 companies · 2 recent changes