# Folderly alternatives: what AI models name instead, October 2026

GTM AI Recommendation Index, October 2026 Edition. 219 of the 252 answers in the 1 category where Folderly holds a standing named it neither first nor as an alternative; these are the first choices those answers made. Page: https://gtm-ai-index.com/vendors/folderly/alternatives/

## Named instead, most often (every category and segment added)

- GlockApps: 54
- Validity Everest: 23
- Google Postmaster Tools: 20
- Litmus: 9
- MXToolbox: 9
- Mail-Tester: 8

## Email deliverability and testing tools

**Small business**: 77 of 84 answers did not name Folderly (Folderly is #13 of 15 at 2%).

- GlockApps: first choice in 24 of those 77
- Google Postmaster Tools: first choice in 13 of those 77
- MXToolbox: first choice in 6 of those 77
- Mail-Tester: first choice in 5 of those 77
- Litmus: first choice in 4 of those 77
- Mailtrap: first choice in 4 of those 77
- MailReach: first choice in 3 of those 77
- Microsoft SNDS: first choice in 3 of those 77

**Mid-market**: 71 of 84 answers did not name Folderly (Folderly is #6 of 12 at 3%).

- GlockApps: first choice in 26 of those 71
- Google Postmaster Tools: first choice in 7 of those 71
- MXToolbox: first choice in 3 of those 71
- Mail-Tester: first choice in 3 of those 71
- MailReach: first choice in 3 of those 71
- Microsoft SNDS: first choice in 3 of those 71
- Validity Everest: first choice in 2 of those 71
- Yahoo Sender Hub: first choice in 2 of those 71

**Enterprise**: 71 of 84 answers did not name Folderly (Folderly is #6 of 14 at 2%).

- Validity Everest: first choice in 21 of those 71
- Litmus: first choice in 5 of those 71
- Everest: first choice in 4 of those 71
- GlockApps: first choice in 4 of those 71
- Validity Engage: first choice in 4 of those 71
- Instantly: first choice in 3 of those 71
- Mailgun: first choice in 3 of those 71
- SendGrid: first choice in 3 of those 71

Published under CC BY 4.0. The output is the models' output; nothing here is a recommendation by the index.