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 tRPC
Side-by-side comparison of two indie startups from the Startup Spotlight directory.
Option B
tRPC
Developer Tools
End-to-end typesafe APIs made easy.
tRPC lets you build fully typesafe APIs without schemas or code generation — perfect for full-stack TypeScript apps.
- Founder
- Alex / KATT
- Founded
- 2020
- Team
- 1-10
- Listing
- Free (nofollow)
- Listed
- May 2026