Growth · alternatives · 2026

24 alternatives to Inboxer

A clean, open-source desktop client for Google Inbox 💌

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Inboxer launched in 2018; newer entries below may have overtaken it.

1
Inboxer▲9
📫 Unofficial, free and open-source Google Inbox Desktop App
2018 · denysdovhan.com · its alternatives →
2
Inbox by Google▲1,147
Next generation inbox
2014 · google.com · its alternatives →
3
Boxy▲572
Inbox by Gmail, finally on your Mac
2015 · boxyapp.co · its alternatives →
4
InboxSDK▲508
First usable API to write Gmail Apps for 1B active users
2015 · inboxsdk.com · its alternatives →
5
Inbox Zero Tabs▲398
Split inbox tabs for Gmail. 100% private. 100% free
2025 · chromewebstore.google.com · its alternatives →
6
Boxy 2▲301
The best Mac client for Inbox by Gmail
2017 · boxyapp.co · its alternatives →
7OS
Open-Sourcing InboxSDK (YC S11) – Build Apps in Gmail▲257
Hi HN! We’re Aleem, Chris, Borys, Meichen and Zach from Streak (YC S11) and today we’re open sourcing our InboxSDK https://www.inboxsdk.com, which makes it easy to build apps for Gmail. Over 1.8B users spend their days in Gmail! Having your app built into the Gmail workflow is a better user experience and gives you great user retention. InboxSDK gives you a high-level, declarative API to insert your UI into Gmail without having to directly manipulate the DOM yourself. End users install a browser extension to use your app. The SDK can add UI to multiple areas of Gmail. For example,…
2022 · its alternatives →
8
InboxPro▲174
Boost your productivity & turn Gmail into a powerful machine
2022 · inboxpro.io · its alternatives →
9
Inbox Zero▲821
Clean Up Your Inbox In Minutes Newsletter management, AI automation, and email analytics. Inbox Zero is the open-source email app that puts you back in control of your inbox.
2023 · getinboxzero.com · its alternatives →
10
InboxPurge▲100
The fastest way to a cleaner Gmail inbox
2023 · inboxpurge.com · its alternatives →
11
Inbox When Ready▲116
Protect your focus... hide your Gmail inbox by default
2016 · chromewebstore.google.com · its alternatives →
12
iMailer▲115
Email for busy professionals
2022 · its alternatives →
13
Clean Inbox for Gmail™▲150
A privacy-oriented Gmail add on against marketing email
2024 · cleaninboxforgmail.com · its alternatives →
14
inboxie▲4
AI that makes Gmail calm again. One Click inbox cleanup.
Nov 2025 · inboxie.ai · its alternatives →
15
Hiver 2.0▲131
Shared inbox management for teams
2019 · hiverhq.com · its alternatives →
16
Mixmax for Google Inbox▲337
The essential productivity suite (tracking, calendar & more)
2015 · mixmax.com · its alternatives →
17
Silent Inbox for Gmail▲251
Receive unimportant emails and newsletters on your schedule
2020 · workspace.google.com · its alternatives →
18
Emailgurus - Open Source▲111
Keep your Gmail inbox focused on people you know
2022 · keepknown.com · its alternatives →
19
Inbox Grader by Freshworks▲143
Free metrics 📈 for your business and team email ✉️
2018 · inboxgrader.com · its alternatives →
20
Gmail API▲170
Flexible, RESTful access to the user's inbox
2014 · developers.google.com · its alternatives →
21IB
I Built Darwin Mail as a Google Inbox Replacement▲218
2019 · darwinmail.app · its alternatives →
22
WMail▲115
OSX App for Google Inbox and Gmail
2016 · github.com · its alternatives →
23
Google Postmaster▲252
High volume email tools from Google
2015 · gmail.com · its alternatives →
24
InboxVudu▲101
Your intelligent assistant for Gmail & Google Apps
2015 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →