Dev tools · alternatives · 2026
24 alternatives to Numvex
Free privacy-first calculators for smart project planning
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.
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I spent 2 years building a personal finance simulatorfree tier, from $10.75/mo▲766Hey everyone! After another year of building as a solo dev on nights and weekends, I'm back with an update on this post: https://news.ycombinator.com/item?id=31083093. TL;DR - ProjectionLab (https://projectionlab.com) is a privacy-friendly personal finance planning tool where you can create financial plans that go beyond the standard online retirement calculators. And by popular request, it now supports self-hosting for Lifetime users! Something I'm grateful for is that our community here on HN is the difference between PL existing and not. There was actually a time…
2023 · projectionlab.com · its alternatives →
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NumWorks▲196The graphing calculator that makes learning math easier.
2017 · numworks.com · its alternatives →
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I launched NumPad v1 on here a few years ago, and back then it wasn't much more than a thin CodeMirror wrapper around the calculator engine I'd written. Now I've rewritten it as a PWA that supports multiple documents, persists them to IndexedDB, and has a syncing service for paying customers. Syncing is handled by Automerge[1] under the hood, which should make it relatively easy to get document sharing working too. [1] https://automerge.org/
2022 · numpad.io · its alternatives →
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Stop guessing. Free calculators for every home project.
Feb 2026 · diydigits.com · its alternatives →
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Hi HN! I built ToolDexo - a collection of 29 free online tools because I was tired of websites that force you to sign up just to use a calculator or word counter. What's included: - Calculators: BMI, calorie, mortgage, loan, tax, grade, tip, percentage, age, compound interest - Converters: Currency (36 currencies with live rates), unit, timezone, file size - Generators: Password, QR code, favicon, color picker, Lorem Ipsum, random number - Text tools: Word counter, case converter, character counter, text compare, Markdown editor - Dev tools: JSON formatter, Base64 encoder/decoder Tech…
2025 · minitools4u.com · its alternatives →
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90+ free calculators for money, health, work & home
Jul 2026 · easycalculatornex.pro · its alternatives →
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Numrexo▲2100+ Free Calculators for Health, Finance & Everyday Life
Jun 2026 · numrexo.com · its alternatives →
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I Built a Comprehensive Suite of Free Online Tools: 300+ Calculators, Converters, and Random Generators After months of coding and development, I'm excited to share my website offering a vast collection of free online calculators, unit converters, and random generators all in one place. This project was created to simplify everyday tasks and provide accurate tools for various needs. What You'll Find on My Site: Calculators: - Financial tools: ROI, APY, mortgage calculators - Business tools: Break-even, commission calculators - Mathematics: From basic to advanced functions - Health: BMI, BMR,…
2025 · calculatinghub.com · its alternatives →
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Free AI construction cost estimator for US homeowners
Jun 2026 · hopeful-build-scope-flow.base44.app · its alternatives →
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Free instant cost calculators for any home project
Aug 2026 · renocostlab.com · its alternatives →
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Features: Natural language math: percentages, units, currencies Live exchange rates (152 currencies + BTC) Vim keybindings (Normal/Insert modes, hjkl, dd, etc.) Variables and running totals Syntax highlighting Stack: Ratatui + Pest (PEG parser) + Tokio Install: # macOS brew tap nasedkinpv/tap && brew install numr # Arch yay -S numr GitHub: https://github.com/nasedkinpv/numr Would love feedback on the code structure—it's a workspace with separate crates for core, editor, TUI, and CLI.
Nov 2025 · github.com · its alternatives →
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Free construction calculators for contractors and DIYers
Jun 2026 · thebuildcalchub.com · its alternatives →
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Free home improvement calculators — instant results
May 2026 · freehomecalc.com · its alternatives →
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Real UK trade rates for rooms, patios, driveways & gardens
Jun 2026 · build-cost-room-calculator.netlify.app · its alternatives →
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Free calculators that tell you exactly how much to buy
Jun 2026 · yard-compass.com · its alternatives →
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HomeCalc▲2Free home improvement cost calculators for US homeoners
Feb 2026 · homecalc.app · its alternatives →
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How much material your project needs — and the cost
Jul 2026 · estimatematerials.com · its alternatives →
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Free calculators for architects, builders & DIYers.
Jul 2026 · archikist.com · its alternatives →
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CalcHive▲3Free, instant calculators for everyday problems.
Jun 2026 · calchive.site · its alternatives →
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Pipe, concrete, electrical & tile calculators — free
May 2026 · pipesizecalculator.com · its alternatives →
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Renovio▲2Calculate renovation materials in seconds. No signup.
Mar 2026 · renovioapp.eu · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →