
DevTools Advanced
FullStackToolkit
DevFinanceTools
JSON Formatter & Validator
AllDevToolsHub
Boop
DeveloperTools.Tech
120 free browser-based developer utilities. No sign-up required.

SimpleLogin
MailDrop
AnonAddy
Guerrilla Mail
Mailinator
33Mail
10 Minute Mail
Keep your email safe from hackers & trackers...

Which is more popular?
Based on our record, Firefox Relay seems to be more popular. It has been mentioned 87 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | devtoolstack.io | relay.firefox.com |
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What each product offers, as listed by its team.


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Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of DeveloperToolStack yet.
Overall verdict
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Recommended for
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Meet Firefox Relay, a privacy-first and free product that hides your real email address
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DeveloperToolStack and Firefox Relay. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking DeveloperToolStack since Aug 2026.
Mozilla's email-related service is https://relay.firefox.com/ which obviously needs to rely on quite a bit of Mozilla infrastructure in its default incarnation, and is probably a fair bit harder to self-host than Firefox Sync. - Source: Hacker News / over 1 year ago
Https://relay.firefox.com/ may be a tool for that. I never used it, as I use a catch-all, but may use it in the future. - Source: Hacker News / over 1 year ago
Are you aware of Firefox Relay[0]? It seems you have extra features, but their plan is priced at 0.99€. For what I need it seems Relay is just enough. About the site, those blocks under the "Say goodbye to spam and stop cold emails."... - Source: Hacker News / almost 2 years ago
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