Find your ideal prospects by their technology choices
StackSpy helps sales and marketing teams identify companies using specific technologies like AWS, Salesforce, or HubSpot. Build targeted prospect lists and personalize your outreach with technology insights.
Give it a try – discover any company's tech stack
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Discover companies by technology
Search our continuously-updated database to find every company using AWS, Salesforce, HubSpot, WordPress, and hundreds of other technologies. Build highly-targeted prospect lists in seconds.

Everything you need to build better prospect lists
Identify companies using the technologies you sell to. Build targeted lists, personalize outreach, and close more deals with technology insights.
- Technology Stack Discovery
- Find companies using AWS, Google Cloud, Azure, and other technologies you sell to. Perfect for cloud consultants and tech vendors.
- Prospect Qualification
- Quickly qualify prospects by their technology choices. Focus your sales efforts on companies already using complementary tools.
- Sales Tool Intelligence
- Discover what CRM, email marketing, and sales tools your prospects use. Perfect conversation starters for your outreach.
- Personalized Outreach
- Use technology insights to craft personalized messages. Reference their tech stack to stand out from generic cold emails.
Ready to find your next qualified prospect?
Join sales and marketing teams using StackSpy to build better prospect lists and close more deals with technology insights.