Alternatives

Products that do what KeepKnown does

The filter builder your Gmail and Outlook should have

1
Mailtrack.io▲282
The best email tracking solution I've found. Free
2014
2
Docsify▲292
Advanced Email Tracker for the whole team
2018
3
Sort Gmail Inbox by cloudHQ▲113
Find an email in seconds with these free preset filters
2020
4
Apparent for Gmail▲225
Make Gmail easier to read and manage.
Mar 2026
5
Flow-e▲221
Turn your Gmail & Outlook into Trello-like task lists 💌
2017
6
Empty Email▲198
AI noise-canceling filter for your email
2023
7
Quicktion▲121
Save your Gmail emails to Notion databases with one click
2023
8
Drag Pro▲307
Transform Gmail into organized To Do lists (like Trello)
2018
9
KleanMail Free Email Verifier▲177
Emails inboxed, always.
2022
10
Drag Free▲207
Transform your Gmail into organized task lists
2017
11
FiloMail for Android▲140
AI Gmail client that turns emails into clear tasks
Jan 2026
12
Go Mail Merge▲98
The easiest way to manage your email campaigns for Gmail
2021
13
Mail Track▲168
Gmail extension to track when your emails are opened
2023
14
Email Studio for Gmail▲204
Send personalized emails, schedule emails directly in Gmail
2018
15
HeyHelp▲237
Gmail with a brain
Sep 2025
16
Flow-e 2.0▲259
Turn your Gmail & Outlook into Trello-like task lists 💌
2018
17
Clean Inbox for Gmail™▲150
A privacy-oriented Gmail add on against marketing email
2024
18
Mailflow▲267
Run your business from Gmail
2020
19
Doubletick for Gmail▲120
Track email opens, know which emails are opened by recipient
2021
20
Drift Email for Marketing▲219
Turn email into engaging conversations to close leads faster
2018
21
MailKing by cloudHQ▲147
A Swiss Army knife for your text + email marketing campaigns
2023
22
DailyBot for Gmail▲128
Standups and team reports in Gmail chat
2024
23
Drag 2.0▲169
Reinventing Gmail for teams
2019
24
Emailgurus - Open Source▲111
Keep your Gmail inbox focused on people you know
2022

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