Work · alternatives · 2026

24 alternatives to Gmail Add-on Design Kit

A simple Sketch library to speed up Gmail Add-on designs

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Gmail Add-on Design Kit launched in 2017; newer entries below may have overtaken it.

1
Google Design Sprint Kit▲484
Your resource for planning and running a Design Sprint
2017 · designsprintkit.withgoogle.com · its alternatives →
2
Gmail Add-ons▲155
Work with your favorite business apps directly in Gmail
2017 · blog.google · its alternatives →
3
Google Design Sprint Starter Kit▲425
This Kit helps you to run your first Google Design Sprint.
2017 · pitsch.gumroad.com · its alternatives →
4
Gmail 5.0▲578
A facelift for Gmail on iOS
2016 · apps.apple.com · its alternatives →
5
Messaging Design Kit for Sketch▲455
Everything you need to design rich messaging experiences
2016 · layer.com · its alternatives →
6
Smart Compose in Gmail▲429
Write emails faster with Smart Compose in Gmail
2018 · blog.google · its alternatives →
7
Email Studio for Gmail▲204
Send personalized emails, schedule emails directly in Gmail
2018 · accounts.google.com · its alternatives →
8
Templates for Gmail▲495
Create & customize Gmail templates that live in your inbox 💌
2017 · templatesforgmail.com · its alternatives →
9
Slides.ooo▲91
Create better products faster with Google Slides add-on
2021 · slides.ooo · its alternatives →
10
Premast Plus for Google Slides▲298
Access tons of design elements inside Google Slides
2022 · premast.com · its alternatives →
11
New Gmail▲935
The new version of Gmail web
2018 · blog.google · its alternatives →
12OS
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 →
13
Design Sprint Kits▲109
A pre-assembled kit for GV design sprints.
2017 · its alternatives →
14
InboxSDK▲508
First usable API to write Gmail Apps for 1B active users
2015 · inboxsdk.com · its alternatives →
15
Email Verification Tool 1.0▲79
An add-on for email verification directly on Google Sheets
2018 · its alternatives →
16
Mixmax▲404
Instant scheduling, tracking, templates, polls in Gmail
2015 · mixmax.com · its alternatives →
17
InboxSDK by Streak (YC S11) – Build Apps inside Gmail▲176
The InboxSDK is high level Javascript library used to easily build browser extensions that interact with Gmail
2015 · inboxsdk.com · its alternatives →
18
Sketch Icons▲408
Generate a dynamic icon library in less than 5 minutes
2018 · github.com · its alternatives →
19
Simplify / Gmail▲255
Chrome extension that simplifies Gmail to the bare minimum
2019 · chromewebstore.google.com · its alternatives →
20
Google App Maker▲203
Low-code application development for G Suite
2017 · support.google.com · its alternatives →
21
Design KIT▲148
Collection of interaction design patterns & UI kit in Notion
2021 · tsolution.gumroad.com · its alternatives →
22
HelpNinja▲178
Simple & affordable Helpdesk
2019 · helpninja.com · its alternatives →
23
EasyEmail▲227
Gmail plug-in that helps you write emails quickly
2018 · easyemail.ai · its alternatives →
24
gfeed▲135
Turn your Gmail into a social feed to read through faster
2017 · gfeed.co · 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 →