
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.

Sintra
Sistava
Blaze AI
GoToScout
Relevance AI
FirstOrg
WorksBuddy
AI Employees for your business

Which is more popular?
Based on our record, Marblism seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
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|---|---|---|
| Website | developertoolbox.tech | marblism.com |
| Pricing | — | |
| Company | — | Startup from the United States · 1 - 9 employees · 2025 |
| 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,...
Marblism gives your business a dedicated team of AI Employees who effortlessly handle everything from social media and lead generation to content creation and inbox management. No more overwhelming prompting—just simple AI Employees who work for your business. Key Features AI Team on Autopilot:...
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


No analysis of DeveloperToolBox.tech yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing DeveloperToolBox.tech and Marblism.
Marblism's answer:
Entrepreneurs, Business owners, Freelancers
Marblism's answer:
React, Typescript, Postgresql, OpenAI, Anthropic
Marblism's answer:
After selling our fintech startup Vauban to Carta, we launched Marblism because we felt the pain ourselves—paying $1,500 for an executive assistant and $2,000 for a content writer each month. Marblism replaces those hefty costs with friendly, affordable AI Employees, handling everything from inbox management to SEO, so entrepreneurs like us can focus on scaling their business.
Marblism's answer:
Marblism gives your business a dedicated team of AI Employees who effortlessly handle everything from social media and lead generation to content creation and inbox management. No more overwhelming prompting—just simple AI Employees who work for your business.
Share your experience with using DeveloperToolBox.tech and Marblism. 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.
Hi HN, We are Cyril & Ulric and are building Marblism (https://marblism.com. Marblism started when we realized that much of the code we write for web apps is just slightly modified boilerplate: similar login flows, dashboards, API... - Source: Hacker News / about 2 years ago
When comparing DeveloperToolBox.tech and Marblism, you can also consider the following products.

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Transform your business with Sintra AI Employee Assistants. Experience the next era of work efficiency with intelligent solutions that are smarter than a thousand experts. Discover how AI Helpers can streamline your workflow and boost productivity.
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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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Hire AI employees to run your business on autopilot.
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A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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Blaze is a community CRM and analytics tool that helps you measure the impact of community and makes it easier to engage your users.
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