Calculation tools for all calculations

Use free online tools to make quick calculations.

What it does

Handy calculation tools, for all online calculations.

Calculators.SolutionsJul 2026 · calculators.solutions · ▲2
Fast, free & clean online calculation tools.
Utility Tools — Free Online Calculators6d ago · orangescar03.github.io · ▲1
Free online calculators and useful tools, all in one place
atozeeonlineDec 2025 · ▲5
Free Online Tools and Calculators
Solveiotools Free Tools & CalculatorsApr 2026 · solveiotools.com · ▲1
tools
Free Online Calculators & Utility ToolsMay 2026 · quickcalclab.com · ▲2
Finance · Productivity · Tools
Online Calculators & Tools18d ago · onlinetool.me · ▲1
Free online calculators for education, finance

Dograh▲592
The open source VAPI alternative
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Meridian▲530
Don't let your work go unnoticed. Get promoted!
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x1▲516
Lovable for iPhone apps go from idea to App Store
Dev tools · 12d ago · x1.new
Computable GPU Index (CGI)▲423
The first open-source price index for GPU compute
Dev tools · 10d ago · getcomputable.com
Open-Source eInk Bike Computer▲406
OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 2d ago · opentrailpaper.com
The GTM Co-Founder▲402
Open-source GTM skills for technical founders
Dev tools · 30d ago · gtmcofounder.com

Brew ▲905
Like Claude design for email marketing
AI · May 2026 · brew.new
Kilo Code for VS Code▲897
Parallel agents, diff reviewer, and multi-model comparisons
Dev tools · May 2026 · kilo.ai
StoreClaw▲805
Grow your store profits with agents that know how to sell
AI · May 2026 · storeclaw.ai
PollyReach▲796
Give your agent a real number and voice to make calls.
AI · May 2026 · pollyreach.ai
NW
Needle: We Distilled Gemini Tool Calling into a 26M Model▲776
Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…
Life & fun · May 2026 · github.com
FM
Files.md – Open-source alternative to Obsidian▲730
Dev tools · May 2026 · github.com