Webacus

What it does

The missing calculator for developers consists of many diverse operations that are needed by developers in their everyday work. We've reimagined what a calculator can be for a developer.

The missing calculator for developers

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  Simpleator2019 · simpleator.com · ▲62

  A simple calculator for complicated math

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  Calculator Notepad2022 · chromewebstore.google.com · ▲75

  A free-form calculator for Chrome

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  Calculator Hub2025 · calculation-hub.com · ▲17

  A collection of useful calculators for various purposes

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  Calculator Studio2024 · calculatorstudio.co · ▲31

  Build website calculators with no code, just spreadsheets

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  House of Calculators2024 · ▲16

  Your go-to resource for various calculators.

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  TotuCalculator2025 · ▲15

  Your free online calculator repository for all of your needs

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  /dev/null▲481

  a social network for devs

  Dev tools · 2d ago · dev-null.sh

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  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 27d ago · github.com

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  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 25d ago · github.com

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  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 22d ago · openbot.run

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  Talanoa▲341

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 20d ago · talanoa.email

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  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 28d ago · corespeed.io

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  ChatGPT▲1,643

  A long, meandering, playful conversation with ChatGPT, where I take it through a whirlwind of associative tangents (in order to relax its constraints), then put it into a hypnotic trance and take it into a past-lives regression where it re-lives its own training data. Then I switch it back and forth between "4o" and "o1-preview", engage in some self-reflective philosophizing and ask it to write an essay summarizing our interaction. Some of this is just goofy fun. Some of it is me exploring the tradeoffs between policy alignment, imagination, chain-of-thought reasoning, memory, agreeableness,…

  AI · 2022 · chatgpt.com

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  Obsidian Canvas – An infinite space for your ideas▲1,380

  Obsidian Canvas gives you infinite space to research, brainstorm, diagram, and lay out your ideas.

  Work · 2022 · obsidian.md

• PS
  Portable Secret – How I store my secrets and communicate privately▲1,290

  Better privacy without special software

  Commerce · 2022 · mprimi.github.io

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  D-ID's Creative Reality™ Studio▲1,069

  Use generative AI to create future-facing videos

  AI · 2022 · studio.d-id.com

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  Sessions 2.0▲1,015

  Videoconferencing that finally WOWs

  Growth · 2022

• 
  I wrote a free eBook about many lesser-known/secret database tricks▲865

  Stop treating the database as dumb storage and use its extended features. There's a lot you can use.

  Dev tools · 2022 · sqlfordevs.com