Comparison
Excelize vs Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun
Excelize has more GitHub stars (20,997 vs 0). Excelize was updated more recently (last commit 3d ago). Data comes straight from GitHub and refreshes daily.
Excelize
Go language library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets
$
git clone https://github.com/qax-os/excelize
Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun
Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark
$
claude mcp add --transport http letterkeel-send-email-via-smtp https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry| Metric | Excelize | Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 20,997 | 0 |
| Stars, last 7 days | +2 | n/a |
| Forks | 1,969 | 0 |
| Upvotes | 0 | 0 |
| Language | Go | n/a |
| License | BSD-3-Clause | n/a |
| Last commit | 3d ago | n/a |
| Created | Aug 2016 | n/a |
| Categories | Productivity, Data & analytics, AI & LLM tooling | Productivity |