AppCafe Tools

Products from the same category with overlapping descriptions or details. They are not reviewed alternatives; compare features and current plans before choosing.

Product
Financial Data API A free finance API with 25+ sources
Free Quizzes to Unlock Your Finance IQ Test your habits, trading smarts, and scam-spotting skills.
Calcuto 312 free online calculators for finance, health, math & more
DAILYTOOL Free online tools for text image and finance tasks
EverydayTools 50 free client-side calculators, dev tools & PDF utilities
ToolSpotly Free online tools
Calc Tools Base Free collection of browser-based calculator.
Spamova Block disposable emails with one API call

Selected by category and available use-case details. A topic match does not establish equivalent features.

Product
waboom Ship WhatsApp messages in one API call
BounceShift Privacy-first email validation, built for developers
OneMux Low-cost, OpenAI-compatible API for multiple AI models
Stripe Fee Auditor See your real Stripe fee rate — not just the advertised 2.9%
SpecBuddy Control your AI coding agent — from plan to every step
ScenarioMock Stateful Mock API server you can share with a single URL

Added to this directory in the past 30 days. Dates refer to the directory listing, not the product launch.

Product
Supastack Supastack is a cross-platform monorepo boilerplate that lets you ship web (Next.js), native mobile (Expo), and desktop (Tauri) apps from a single codebase.
AVIS The operating system for AI applications
Termio Cross-platform terminal app and SSH client
Laradeck Manage Laravel dev processes in one native Mac app

Profiles grouped by topic. This does not confirm an offer, availability or a connection to this profile.

Profile
Rich Hickson MSP Owner - https://helpfullyit.com
Rohan Ravindra Kadam Full Stack Developer.
Prof. Eliot Jacobson Retired professor of mathematics and computer science, casino consultant, author of 4 books: 3 on casino games & 1 poetry book.

Shows and channels grouped by topic. A recommendation does not mean this profile was featured or endorsed.

Show
Dmytro’s Substack Newsletter · Dmytro Krasun
TechnoBizzVault Newsletter
Tech World With Milan Newsletter Newsletter · Dr Milan Milanović

Retold founder accounts from startups in the same category, each linked to the original.

Story
Tailwind UI's $2 million was five months of a commercial product, not a URL typo Adam Wathan's August 2020 essay says Tailwind CSS had about 10 million installs and that Tailwind UI, then about five months old, was about to cross $2 million in revenue, figures he stated himself beside a slug that mis
ScreenshotOne took three years to $10k MRR and eight months to $20k Dmytro Krasun says ScreenshotOne reached $10k monthly recurring revenue in September 2024, almost three years after launch, then $20k in June 2025, and that the second number changed how much more money still drove him.
AJ said Carrd was about $1.2M ARR and he spends time on the product, not campaigns AJ told SaaS Club Carrd was about $100k MRR, about $1.2 million ARR, and that with two people he invests time in the builder rather than in finding ways to market it; he did not, in the sources fetched here, state $2M AR
WP Engine passed $100M ARR after Cohen made thirty people say they would pay $49 Jason Cohen says he did not start WP Engine until 30 people said they will pay $49 a month, 20 of them did, and in January 2018 he reported the company had passed $100 million ARR and closed $250 million from Silver Lake

Subcategories in the same part of the directory, with the number of listed products.