
Omni Calculator
calculator.net
Build vs. Buy Calculator
DeveloperToolStack
DevNestTools
DevTools Advanced
DevTools.fit
Free, no-signup calculators for the money side of building software and freelancing

ESPHome
Tasmota
LappyList
Noon Smart Lighting System
Tourist Map of Laptops
Take control of those devices that don't have HomeKit, Alexa or Google Assistant support.

Which is more popular?
Based on our record, Volum seems to be more popular. It has been mentioned 9 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | devfinancetools.com | lowtechguys.com |
| Pricing | — | |
| Company | 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


DevFinanceTools is a collection of free, no-signup calculators for the money side of building software and freelancing. Everything runs in your browser — no account, no tracking beyond basic page-view analytics — and every tool shows its formulas and benchmarks so you can check the maths...
No description of Volum yet.
What each product offers, as listed by its team.


No features have been listed yet.
Walkthroughs and reviews on video.
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Volume Review
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How often each product is chosen within a category, 0–100% relative to the other.


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


Tracking DevFinanceTools since Aug 2026.
The right side widget is a Toggle Light button of my Volum app. I carry a warm LED string with me wherever I go because I can’t suffer the harsh lighting in most places. The widget helps me turn off the lights when I go to sleep. Source: over 3 years ago
I've done a few widgets for Volum (to easily turn on/off DIY lights and mute speakers: https://lowtechguys.com/volum) and for Sub Sol (to see the next private party: https://subsol.one) Screenshot here:... - Source: Hacker News / over 3 years ago
I received the same diagnostic in 2017, which coincided with the year I got my first external monitor for my MacBook. Headaches and eye pain became a more common occurence in the first weeks, until I stumbled upon ddcctl [0] and the fact... - Source: Hacker News / almost 4 years ago
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Helping you make rational decisions, one calculation at a time.
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ESPHome is a system to control your ESP8266/ESP32 by simple yet powerful configuration files and control them remotely through Home Automation systems.
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Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
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Alternative firmware for ESP8266 with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX.
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Should you build an internal tool? Or just buy it?
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Find the best laptops for every purpose & budget
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