
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.

Lava
Poddy
Capture
Anyone
neeboor
Currently
Povio
The first creep-free way to see nearby friends

Which is more popular?
Based on our record, sup seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | developertoolbox.tech | sup-heliotrope.github.io |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


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,...
No description of sup yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DeveloperToolBox.tech and sup. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking DeveloperToolBox.tech since Sep 2026.
Sup is also “a console-based email client for people with a lot of email”: https://sup-heliotrope.github.io/. - Source: Hacker News / over 3 years ago
A long time ago I used https://sup-heliotrope.github.io/ , which is sort of mutt with a gmail approach to email. Being a curses-based email client, it of course lets you shell out to vim for writing your email. Source: over 3 years ago
When comparing DeveloperToolBox.tech and sup, you can also consider the following products.

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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Lava is a mobile-first app that empowers you to create, share, & discover recorded social audio.
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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.
Compare CodeKitHub to DeveloperToolBox.tech or sup:


A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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A great free screen capture utility that allows you to capture either a window or the desktop and save it to either a file or the clipboard.
Compare Capture to DeveloperToolBox.tech or sup: