Option A
Mailpit
Developer Tools
Email and SMTP testing tool for developers.
Mailpit is an OSS local SMTP server with a web UI for catching dev/staging emails. Built by a solo developer.
- Founded
- 2022
- Team
- 1-10
- Listing
- Free (nofollow)
- Listed
- May 2026
Compare
Mailpit vs Radix Icons
Side-by-side comparison of two indie startups from the Startup Spotlight directory.
Option B
Radix Icons
Developer Tools
A crisp set of 15×15 icons.
Radix Icons is a pixel-aligned icon set designed for UI work — created by the WorkOS-owned Radix UI team.
- Founded
- 2020
- Team
- 1-10
- Listing
- Free (nofollow)
- Listed
- May 2026