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 Playwright
Side-by-side comparison of two indie startups from the Startup Spotlight directory.
Option B
Playwright
Developer Tools
Fast and reliable end-to-end testing for modern web apps.
Playwright is a cross-browser test runner from Microsoft with auto-wait, network interception, and powerful debugging.
- Founder
- Andrey Lushnikov
- Founded
- 2020
- Team
- 11-50
- Listing
- Free (nofollow)
- Listed
- May 2026