
Free Business Calculators 2026 | Profit Margin, Break-Even & Tax Tools | BizCalc
Use 32+ free business calculators for profit margin, break-even, and tax analysis.
@BizCalcLab · X
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Use 32+ free business calculators for profit margin, break-even, and tax analysis.
@BizCalcLab · X

A self-directed learning platform with an adaptive AI Study Coach, on-demand quizzes, and mastery tracking — from Grade 2 to professional exam prep.
@Ayce_AI · X

Practice a real behavioral interview out loud. An AI interviewer that probes vague answers, calibrated to your target company and level, plus an honest debrief telling you where yo
@battisbog · X

Scan websites for AI usage and test chatbots for bias and safety with this open-source EU AI Act compliance toolkit.
@sebuzdugan · X
building @getfrai , an open source toolkit that helps ML engineers navigate EU AI Act compliance, model cards, risk files, the boring but necessary stuff

AI agent browser extension that performs tasks, researches with citations, and remembers information while you work.
@kurvantHQ · X

Acubic is a quant AI agent for investing. It screens assets, builds portfolios under your constraints, and monitors them through a broker connection.
@andrecmendes_ · X
Build Your AI Investing Agent at

Analyze news, video, and text for media bias and manipulation techniques.
jayubba1 · HN
Biasly.ai – Bias detection with historical context

Generate Threads posts in your own voice using AI that learns your writing style.
@growthbylenny · X

Intelix – AI agent that investigates and resolves production incidents
ved_p05 · HN
Intelix – AI agent that investigates and resolves production incidents

AI-powered business intelligence platform with agentic analysis and AI readiness assessment.
@ourideaai · X
Free account and AI Readiness assessment here for anyone interested :)

Track competitor pricing, features, and messaging changes weekly.
@Caden1Fenn · X
Intel Brief — tracks what your competitors change (pricing, features, positioning) and delivers it to your inbox weekly. Built for indie SaaS founders.

Audit your landing page across 22+ factors in under a minute. Dashboard AI copilot, grade trends, analytics, and Reddit leads in one workspace.
@Canvasowl · X
Building the best way to audit your landing page and find leads: