Sequencing and drafting of sales emails at scale
185 companies on usedby use at least one of the 7 tools in this category with a public customer. Amplemarket leads with 60 companies. Then come Nooks (55) and Outreach (35). 3 companies run two of these tools or more. The most common pair is Nooks with Amplemarket (2 companies).Latest check Oct 8, 2026: 187 of 192 public lines checked. Counts are of companies on usedby, not of the whole market: we list a company when a public page shows its AI tools.
185
companies on usedby use a tool of this category
Companies per tool. A company using two tools counts for both.
Counts include job-post signals, drawn apart on each tool page.
Companies with a public line for each tool. Job-post signals count and are drawn apart in the proof bar.
| # | Tool | Customers | Proof |
|---|---|---|---|
| 1 |  Amplemarket | 60 | |
| 2 |  Nooks | 55 | |
| 3 |  Outreach | 35 | |
| 4 |  Salesforge | 18 | |
| 5 |  Salesloft | 15 | |
| 6 |  Lavender | 6 | |
| 7 |  Regie | 3 |
3 companies run two of these tools or more. The most common pair is Nooks with Amplemarket, at 2 companies.
Amplemarket60 customersAmplemarket is used by 60 companies on usedby, 49 confirmed by a case study, a named quote or a press release. Named customers include Deel, Vanta, and Fivetran. Who uses Amplemarket, Amplemarket vs Nooks
Customer page: amplemarket.com. Latest check of 60 of 60 lines: Oct 7, 2026.
Nooks55 customersNooks is used by 55 companies on usedby, 40 confirmed by a case study, a named quote or a press release. Named customers include Hubspot, Deel, and Intercom. Who uses Nooks, Amplemarket vs Nooks
Customer page: nooks.ai. Latest check of 55 of 55 lines: Oct 8, 2026.
Outreach35 customersOutreach is used by 35 companies on usedby, 22 confirmed by a case study, a named quote or a press release. Named customers include Siemens, Cisco, and Zoom. Who uses Outreach, Amplemarket vs Outreach
Customer page: outreach.ai. Latest check of 32 of 35 lines: Oct 5, 2026.
Salesforge18 customersSalesforge is used by 18 companies on usedby, 16 confirmed by a case study, a named quote or a press release. Named customers include SaaStr, bettercontact.rocks, and Comligo. Who uses Salesforge, Amplemarket vs Salesforge
Customer page: salesforge.ai. Latest check of 18 of 18 lines: Oct 4, 2026.
Companies first listed by a tool of this category in the last 90 days.
Side-by-side pages with the companies behind each tool.
Answers drawn from usedby data.
Amplemarket, used by 60 of the 185 companies on usedby in this category. Then come Nooks (55) and Outreach (35). Who uses Amplemarket.
Amplemarket: 60 companies on usedby, against 55 for Nooks. 2 companies use both, counting confirmed and observed lines only.
Yes: 3 of the 185 companies on usedby in this category run two or more. The most common pair is Nooks with Amplemarket (2 companies).
By the number of companies with a public line for each tool, read from dated captures of vendor customer pages, case studies, press releases and job posts. Job-post signals count in the totals and are shown apart. usedby lists a company when a public page shows it, so these counts describe the companies on usedby, not the whole market.