
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.

Monta App
AMPECO
ev.energy
Evoltsoft
Pulse Energy
YoCharge
EV charging & energy management platform. Built on open standards. From the creators of SteVe, the world's most trusted open-source OCPP server (1k+stars on GitHub)
Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | developertoolbox.tech | powerfill.io |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from the United States · 1 - 9 employees · 2026 |
| 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,...
PowerFill is an EV charging and energy management platform from the creators of SteVe, the world's most trusted open-source OCPP server (1,000+ GitHub stars, 458 forks, deployed since 2013 by CPOs, universities, and municipalities worldwide). Powerfill makes OCPP charging infrastructure...
What each product offers, as listed by its team.


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


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Powerfill.io - EV Charger Management Platform Overview
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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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Launch, optimize, and scale your EV Charging business with AMPECO’s hardware-agnostic EV charging software.
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A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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A cheaper, greener, simpler way to charge your EV
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