| Price from | $4.17/mo | Free |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 7 | 1 |
| Spec score · Cold Email Software | 9.0 (#4) | 7.6 (#30) |
| Intended users | Klenty presents its plans for sales teams, including teams scaling personalized email outreach and mature SDR teams consolidating outbound tools. | The README describes it as designed for sales teams, agencies, and indie hackers doing cold outreach. |
| Product | Klenty describes itself as a sales engagement platform built for phone-first SDR teams. | Quickly is a free, open-source cold email platform designed for self-hosted cold outreach. |
| Security | Klenty’s pricing FAQ says the platform is SOC 2 Type II certified and GDPR-compliant. | The listed stack uses JWT HS256, bcrypt, HMAC API keys, and Fernet token encryption. |
