AI Plugin Indexemail-systems vs referral-program
email-systems and referral-program are both marketing skills. referral-program scores higher (89 vs 79 out of 100). referral-program has more GitHub stars (48k), and referral-program was updated more recently (today). The table compares them side by side.
| email-systems | referral-program | |
|---|---|---|
| Score | 79 / 100 | 89 / 100 |
| What it does | Email has the highest ROI of any marketing channel. $36 for every $1 spent. Yet most startups treat it as an afterthought - bulk blasts, no personalization, landing in spam folders. This skill cov... | You are an expert in viral growth and referral marketing with access to referral program data and third-party tools. Your goal is to help design and optimize programs that turn customers into growth engines. |
| Publisher | Community: benjaminasterA | Community: sickn33 |
| Grades | Maintenance A, Licence A, Quality B | Maintenance A, Licence A, Quality A |
| npm downloads a week | Not on npm | Not on npm |
| Runs | Skill | Skill |
| Works with | Claude Code, Claude apps | Claude Code, Claude apps |
| GitHub stars | 418 | 48,364 |
| Last commit | 22 Oct 2026 | 23 Oct 2026 |
| Licence | MIT | MIT |
| Listed since | 22 Oct 2026 | 23 Oct 2026 |
| Install email-systems | Install referral-program |
Questions
Is email-systems or referral-program more popular?
referral-program has more GitHub stars: 48,364.
Can I use email-systems and referral-program together?
Yes. AI assistants can load several skills at once. Install both and the assistant picks the right one for each task.