Alternatives

Products that do what I made an Outlook add-in that warns when emailing the wrong person does

1UY
Userfox (YC S11) — Better Welcome Emails▲100
2012 · userfox.com
2IB
I Built Darwin Mail as a Google Inbox Replacement▲218
2019 · darwinmail.app
3IM
I made an alternative to Google Alerts that listens to social media▲261
2020 · pmalerts.com
4MW
My wife's email was hacked, I created an app to protect online accounts▲56
2014 · getlogdog.com
5SI
Should I Send It? Helping you understand your mood in emails▲91
2018 · shouldisendit.com
6SE
Signal – Edit emails in your Gmail inbox▲151
2013 · trysignal.com
7GA
Glider, a better email client▲81
2012 · glider.io
8IH
I hate scheduling over email, so I made this: Timestamp▲25
2014 · gettimestamp.com
9ET
Emails that Self-Destruct and Notify You When Read▲27
2013 · ghostmailapp.com
10SI
See if someone reads your emails▲6
2011 · gotcha.io
11FM
Flute – my attempt at a better email API▲40
2018 · flutemail.com
12IM
I made a tool that helps you create email signatures and share to team▲7
2021 · mailswype.io
13ET
Email that self-destructs when forwarded▲17
2012 · nofwd.com
14IM
I made a privacy-first email analytics software▲6
2018 · mailspice.com
15MA
MailRubber, a condom for your email address▲23
2013 · mailrubber.me
16CF
Contacts finds email addresses▲47
2013 · contactsanalytics.com
17DE
Deep Email Validator▲51
2020 · github.com
18IM
InboxFee – make strangers pay for their cold emails▲28
2020 · inboxfee.com
19EC
EmailFlow – Collaborative email review and approval add-in for Outlook▲8
2021 · emailflow.app
20VC
Vetter – check if your emails will be spammed▲7
2020 · vetter.monsoonyeti.com
21IM
I made email signatures less boring▲7
Jul 2026 · esigna.app
22TR
The Rapportive for Email Lists▲5
2014 · mailmatch.io
23AG
A Gmail tool to trim away annoying mailing lists▲11
2021 · trimbox.io
24BE
Blame.email – client-side one-way email generator▲8
2022 · blame.email

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