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A free calendar of US federal, state, school district, bank, and stock market holidays sourced from official government data, with printable downloads, calendar app exports, and countdowns.
Free
What to know▼
How it works
Covers US federal/state/school/bank/stock-market holidays with printable calendars, exports to calendar apps, and countdown tracking.
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A free directory of 4,800+ photo booth rental vendors you can search by city, filter by booth type, and request quotes from, no login or fees.
FreeNo sign-up
What to know▼
How it works
A directory of 4,800+ verified photo booth rental vendors searchable by city or state and filterable by booth type (open air, 360°, mirror, enclosed, roaming, glam), with direct quote requests sent to the vendor.
What's different
Quote requests go straight to the vendor with no platform commission or middleman, and filtering goes beyond location to booth type.
Pricing
Free, no login required.
Best for
Event planners and couples comparing local photo booth vendors for a party or corporate event.
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A free set of 18 calculators for business days, Net 30/60/90 due dates, and SLA deadlines, with holiday calendars for 25 countries.
Free
What to know▼
How it works
18 free calculators for counting working days, Net 30/60/90 due dates, SLA deadlines, and project timelines, with public holiday calendars for 25 countries.
What's different
Results are shareable via link and every calculator is embeddable on your own site.
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Extracts an event's title, date, time, and location from pasted text or a screenshot and saves it to your calendar in one tap, instead of typing calendar entries by hand.
FreeNo adsNo tracking
What to know▼
How it works
Paste text or a screenshot of a flyer, email, or ticket; it extracts event details and saves them to your calendar.
Pricing
Free for 50 events/month with sign-in, or use your own OpenAI key.
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AI assistant connected to Gmail, Calendar, Drive and Square that runs recurring briefings/reports and drafts from thread context.
Free
What to know▼
How it works
Connects to Gmail, Calendar, Drive, and Square so it already has context; runs recurring tasks like a morning briefing or daily revenue report on a schedule, and drafts from thread context on request.
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A free Chrome extension that lists every subscription you pay for and warns you before renewals, with no bank linking, no sign-up, and no data leaving your browser.
FreeNo sign-upData stays with you
What to know▼
How it works
A Chrome extension that lists every subscription you pay for, shows total monthly and yearly spend on a dashboard, and sends renewal reminders before a subscription renews.
What's different
Works without linking your bank account or signing up, with no data leaving your browser.
Pricing
Free.
Best for
People who want to track subscription spending and avoid surprise renewals without connecting their bank.
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A free all-in-one productivity app for tasks, notes, projects, and a calendar, with a Pomodoro-style timer and activity heatmap, syncing across devices.
Free
What to know▼
How it works
Organizes tasks, notes, and projects in workspaces, includes a Pomodoro-like timer and a completed-task heatmap, and syncs across web, desktop, and Android.
Pricing
Free to use, with an optional pro plan.
Best for
Individuals and teams wanting one free app instead of separate task, note, and calendar tools.
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Everything you've saved. Finally doing something.
Free
What to know▼
How it works
Classifies each screenshot you take, works out your intent, and suggests a next action — turning a saved recipe into a meal plan or a workout screenshot into a schedule. Everything stays searchable and surfaces in an evening digest.
What's different
Screenshots are processed then discarded, never used to train AI.
Pricing
Free to start; founding rate £3.99/month for the first 200 members.
Best for
People whose camera roll fills up with screenshotted recipes, reminders, and workouts they never act on.
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Simple invoicing with automatic, escalating payment reminders for small service businesses like cleaners and freelancers, stopping once the client marks it paid.
Free
What to know▼
How it works
Create an invoice in four fields; reminders fire before/on due date then at 3/7/14/30 days overdue, stopping when marked paid
What's different
Never processes customer payments itself, no processing fees
Pricing
Free for 30 days or 30 invoices, then $9/mo intro, then $19/mo
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A free, open-source Windows tray app that nudges you to stand up and move every hour -- a general workplace wellness reminder, not developer-specific software.
FreeOpen source
What to know▼
How it works
A tiny Windows tray app that reminds you to stand up and move every round hour, on your own schedule.
Pricing
Free and open source.
Best for
Windows users who sit at a desk and want a general movement reminder, not a developer-specific tool.
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A free library of finance calculators covering payment-processor and marketplace seller fees (Stripe, PayPal, Etsy, eBay, Amazon) plus core money math like EMI, loans, and compound interest, with no signup required.
FreeNo sign-up
What to know▼
How it works
Each fee calculation is verified against the platform's official fee page and dated, and results display in the user's own currency automatically.
Pricing
Free, no signup.
Best for
sellers or shoppers who want to quickly check processor/marketplace fees or run basic finance math.
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App for tracking CBD dosage, mood, sleep, and reminders, including routines for pets.
Free
What to know▼
How it works
Tracks daily CBD intake, calculates recommended dosage, monitors mood and sleep, sets reminders, tracks progress over time, and calculates CBD routines for pets.
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Free mobile app for independent tutors and coaching centers to track attendance, manage fees, send WhatsApp reminders and issue PDF receipts, instead of a paper notebook.
Free
What to know▼
How it works
tracks attendance and fees, sends WhatsApp reminders, issues PDF receipts
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A customizable workflow tool (Kanban, Calendar, Timeline or Dashboard) with 12 field types, automation and time tracking, for privacy-focused teams that also want an MCP server for AI assistants.
Free
What to know▼
Pricing
Free public beta, no credit card, 50% off forever for early users.
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A free IP geolocation API returning country, city, ASN, timezone and threat signals for any IP address, with 50 free requests per minute across several data formats.
Free
What to know▼
How it works
An IP geolocation API returning country, city, ASN, timezone and threat signals for any IP address, available in JSON, XML, CSV and PHP formats.
Pricing
Free tier offers roughly 2 million requests per month at 50 requests per minute.
Best for
Developers who need IP geolocation or threat data in their app without paying for a commercial API tier.
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A free, multilingual suite of date and age calculators -- age, birthday countdown, days between dates, retirement age and more -- for anyone who wants a quick answer without an account.
FreeNo sign-up
What to know▼
How it works
A suite of 14 date and age tools — age calculator, birthday countdown, age difference, days between dates, generation calculator, legal age by country, pregnancy due date, retirement age, time zone converter and more.
What's different
Available in 13 languages with no sign-up required.
Pricing
Free.
Best for
Anyone who wants a quick date or age answer without creating an account.
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Free digital plant-care home — organize your collection, track each plant from seed to harvest, let AI manage watering/fertilizing/pruning reminders, and save notes and photos.
