AllTools.dev
AllToolsLab
geteasetools.com
Omni Calculator
calculator.net
elec calc
30tools
Convertio
Back4App
Firebase
Heroku
CouchBase
Parse
Kuzzle
Kumulos
AWS Amplify
AllTools.dev is a modern, fast, free online toolkit built for people who need quick, accurate calculators and converters without signing up, creating an account, or wading through cluttered interfaces. The platform offers 500+ tools across finance (mortgage calculators, loan amortization, compound interest, currency conversion, debt payoff, retirement planning), health (BMI, calorie needs, pregnancy tracking, ideal weight, body composition), math (scientific, statistical, geometric, percentage, fraction), science and engineering, date and time utilities, unit conversions (volume, length, temperature, power, area), developer utilities (JSON, regex, JWT, hashing), and interactive math and algorithm visualizations. Every tool is free and works instantly in the browser. No accounts, no paywalls, no sign-in walls, no data collection beyond standard analytics. Calculations happen client-side for speed and privacy. Unlike older established calculator sites that grew through 20 years of ad-heavy layouts and outdated UX, AllTools.dev is built fresh on Astro with a clean, mobile-first, accessibility-conscious interface. New calculators ship weekly based on user demand. Ideal for: students doing homework, developers needing quick conversions, finance-minded folks planning loans and investments, professionals doing scientific or engineering calculations, and anyone who just needs a fast answer without installing an app.
Back4App supports developers and companies to accelerate backend development, improve development productivity, reduce time to market, and scale applications without managing infrastructure.
AllTools.dev
Back4AppBack4App is recommended for startups, indie developers, and enterprises that require a reliable and cost-effective backend service to rapidly develop and deploy applications. It is ideal for those who prefer not to manage their own servers or infrastructure and for projects that need quick scalability and real-time data management, such as social apps, mobile applications, and IoT solutions.
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Based on our record, Back4App seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I'm using back4app.com which is a cloud service for parse server, you can fire cloud code using node. Recently they introduce containers, but I didn't use it. Source: over 3 years ago
AllToolsLab - AllToolsLab offers 50+ free online tools including PDF tools, calculators, converters and text utilities.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
geteasetools.com - 1000+ free tools on Ease Tools including calculators, converters, generators and utilities with no signup, no ads and instant access.
Heroku - Agile deployment platform for Ruby, Node.js, Clojure, Java, Python, and Scala. Setup takes only minutes and deploys are instant through git. Leave tedious server maintenance to Heroku and focus on your code.
Omni Calculator - Helping you make rational decisions, one calculation at a time.
CouchBase - Document-Oriented NoSQL Database