
Drag for Gmail
Sortd
Flow-e
Gmelius
Kanmail
HEY
Polymail
A Kanban board for your emails.

devtoolz.dev
CodeKitHub
DevToys
CodeSwissKnife
All Over Tools
DevNestTools
DevBox
Free browser-based tools for formatting, encoding, decoding, conversion, generators and everyday software development tasks.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | kanbanmail.app | developertoolbox.tech |
| Pricing | — | |
| Platforms | — | |
| Company | 2018 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


KanbanMail takes your inbox from a confusing mess and turns it into a clear action plan!
Developer Tool Box is a free collection of browser-based developer utilities for everyday software development. It provides tools for JSON formatting, Base64 conversion, UUID generation, URL encoding, hashing, and more, with additional utilities covering crypto, web, development, networking,...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
KanbanMail is recommended for users who are already using or are interested in Kanban-style task management. It is particularly suited for professionals, project managers, or anyone who manages a high volume of emails and prefers a more structured, visual approach to email organization. It may also appeal to users seeking an innovative way to handle their emails beyond conventional email clients.
No analysis of DeveloperToolBox.tech yet.
Walkthroughs and reviews on video.
KanbanMail – A Kanban Board for your emails
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using KanbanMail and DeveloperToolBox.tech. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


KanbanMail has gone through lots of improvements and optimizations throughout the last year. If you are looking for a way to optimize your email workflow, you should give it go.
We have no reviews of DeveloperToolBox.tech yet. Be the first one to post
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DevToolbox is a free, no-signup collection of 148 client-side developer tools and 78 guides — a lightweight alternative to installing dozens of separate SaaS dev-tool apps.
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Free online tools: JSON formatter, password generator, QR code maker, calculators, converters and more. Fast, private, no login — everything runs in your browser.
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Turn your Gmail or Office365 inbox to a Visual Task Board.
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A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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