Event Budget & Ticketing
Budget a seminar, workshop, market stall, training event or ticketed show: break-even tickets, gross ticket revenue, per-attendee costs, profit, discounts, occupancy and staffing costs. No login/key; estimated math only, not a ticket sales platform.
Small Business Cash Flow
Analyze shop cash runway, working capital, margins, pending receivables, invoice collections, liquidity ratios and cash buffers from user-entered aggregates with math.js. No key or account; approximations only and not accounting or tax compliance advice.
Personal Budget & Savings
Calculate household and personal finances: take-home budget, savings goal, emergency buffer, debt burden, subscription costs and purchasing-power inflation using math.js. No login/key. User-provided figures are sent to math.js, so use rounded/non-sensitive inputs; outputs are estimates, not financial advice.
Open Food Facts
Retrieve volunteer-maintained product labels, barcodes, ingredients, allergens, nutritional scores and nutrition tables from Open Food Facts. No account needed for read-only API. Data credit: Open Food Facts, ODbL 1.0; accuracy varies and does not replace professional medical advice.
NASA Image & Video Library
Search NASA's public Image and Video Library for images, videos, audio and mission media. Search results include preview image URLs and item metadata; use the asset manifest to retrieve available file variants. Read-only. NASA's upstream API requires no API key. Check item-specific credits and usage notes before reuse.
US River & Water Levels
Access modern USGS real-time and daily public streamflow, water temperature and monitoring locations data via Water Data OGC API. No login/key at shared quota, higher rates may require key. This uses new modern OGC endpoints instead of WaterServices retiring Feb 2027. Raw data may be provisional; never rely on it instead of flood warnings.
Rental Property Yield Planner
Estimate residential property net rental yield, cap rate, monthly cash flow, debt service and vacancy stress from user-provided rents/costs for landlords and real-estate buyers. No login/key. Excludes variable country taxes, appreciation and legal/financial advice.
Ecommerce Conversion Analytics
Analyze retail website conversion funnels from user-entered visitor, cart, checkout, order and sales counts. Calculate conversion rate, cart abandonment, average order value and conversion uplift scenarios. Uses no-key math.js. Inputs are aggregate analytics; does not connect to GA4 or websites.
Inventory & Purchase Planner
Inventory procurement and stock formulas for shop operators: economic order quantity, stock cover, safety stock, lead-time reorder trigger, storage cost and supplier order value. Public math.js backend, no key/login; all outputs estimates depending on input demand assumptions.
Marketing Images
Find openly licensed photos and illustrations for product pages, store banners, social posts and marketing campaigns through Openverse. No login or API key; anonymous API rate limits apply. Always inspect each original license and attribution: results are not automatically cleared for trademarks, privacy, publicity, or every commercial use.
Hotel & Guesthouse Revenue
Calculate occupancy, ADR, RevPAR, cancellation-adjusted revenue, room-level contribution, break-even occupancy and guesthouse pricing. No key/login; input-derived estimates, not a booking engine or channel manager.
Creator & Affiliate Earnings
Analyze influencer marketing, affiliate sales commissions, revenue splits, cost per conversion and creator campaign ROI with figures entered by users. No auth/key. Does not connect to a marketplace affiliate program or execute payouts.