Coffee Trivia Quiz is a three-choice quiz about the coffee you drink every day — its history, its science, and the stories behind the cup. Every answer comes with a full explanation, sourced and fact-checked. Three difficulty levels, 16 languages, fully offline, no sign-up.

IndieSignal is a curated directory for discovering useful AI products built by independent makers. Explore tools by category and use case, or submit your own product for a free listing and gain lasting visibility beyond launch day.

Simulate realistic callers at scale with custom personas, scenarios, interruptions, noise, accents, and network conditions. NovaSynth runs those calls against your voice agent, scores audio and transcripts across 30+ dimensions, and surfaces the failures and fixes that matter to your team.

Copy and paste accent letters in one click: á é í ó ú ñ ü ç and every accented letter from A to Z, plus Alt codes and keyboard shortcuts for Windows, Mac and phones.

Haz-IA helps people get things done with artificial intelligence without needing technical knowledge or knowing how to write prompts. Just explain what you need in your own words. Ask questions, learn, write, organize ideas, solve everyday problems and find a way forward. Spanish-first, simple to use, and free to try.

Type 2–6 things—products, services, software, places, anything—and get a plain-language verdict from a live web search, with every source listed, a follow-up chat, and an elimination mode to narrow options down. Free. No affiliate links. It also flags well-known issues people report online. Get the Chrome extension to add items to your list as you browse.

🔥 Easy Model v2.1.0 is here! Simplify Laravel Eloquent with smarter filtering, sorting, relationships, eager loading, JSON and date filters, soft deletes, mass insert, and upsert support. Built to reduce repetitive code, improve flexibility, and keep your models clean and maintainable.

Portal gives you a cloud computer you can set up to show off a signed in account, and gives you a link. Whoever opens it is inside - no signup, no install. Choose what's off limits, make it multi-player or for async use, and add an optional AI that can see the screen and run full customer conversations, then share it like a Google Doc.

​Optimind Compress brings granular, desktop-grade archive management to Android. Designed for developers, power users, and privacy-conscious professionals, it provides full control over compression parameters with zero cloud dependency. ​Set exact target file sizes, assign dedicated CPU threads, and handle standard archives (7Z, ZIP, TAR, XZ, BZIP2) alongside the proprietary QCA compression algorithm. Built with integrated AES-256 encryption, integrity verification, and archive defense

AppyQ turns a creator's offer into a branded app preview with home, content, and payment screens, so teams can test the experience before launching.

CardKeep is a secure digital wallet for gift cards that helps users stop losing money in forgotten, expired, or scattered cards. Store gift cards in one organized wallet, track remaining balances, receive expiration reminders, get location-based suggestions when cards can be used nearby, & ask the AI spending advisor which cards to use first. The newest feature: secure gift card sharing. Users can share gift cards with selected people inside a safe, organized CardKeep environment.

You enter your building data once and everything is calculated from it - from underfloor heating to heat loss. Algo AI reads the data from your drawings and suggests the values; the algorithm always does the calculation.

TabMail 1.8 is now open source, with better UX and improved AI quality. Auto replies, email triage, conversational editing, and chat with your inbox. On Thunderbird or iPhone. Supercharge your existing inbox with AI.

Billr is a time tracker and invoicing app for freelancers and small teams. Tap once to start the timer, tap again to stop, and your hours land on the right client and project by themselves. Turn tracked time into a branded invoice without retyping a line, then get paid by card or PayPal. It works fully offline. The timer keeps running and invoices keep saving with no signal, then sync across your devices the moment you are back online. Free to start: 3 invoices and 3 quotes a month, no card.

AT Migrator is an Airtable to PostgreSQL migration tool built for real bases. Move linked records, lookups, rollups, formulas, and attachments to Postgres

Scan with your camera, or upload an image or PDF. The more you fit in around the code, the richer the information on the pass. No accounts, pass creation sold in bundles of 10. Uses AI to extract relevant information from the scan or file.

Free, open-source n8n workflow for checking supplier CSV/PDF statements against Xero bills. Review extracted rows, then download evidence-backed exception reports. Read-only access. Preview; live Xero and Cloud verification pending.

Minecraft server hosting with no subscription: pay for the time your server is online, metered by the minute from a prepaid balance, from $0.07/hr. Each server has its own machine, nothing shared. It sleeps when the last player leaves (no hourly charge while asleep, just a small storage fee) and wakes in 15-30 s when someone joins. One switch for Java + Bedrock crossplay, one for proximity voice. Modrinth and CurseForge mods and modpacks in one search. About 10 hours to try, no card needed.

SubSync moves your YouTube subscriptions from one Google account or channel to another in a few taps, using official OAuth sign-in (no passwords stored, no scraping). Free: 10 transfers/day. One-time $1.99 unlock: up to 100/day. Built by a solo, self-taught developer. iOS coming soon.

EngineeringHunt is an open-source directory for engineering tools. It helps students, makers, and engineers discover software, simulators, EDA tools, AI/ML tools, documentation, calculators, and other technical resources through one organized place, with smart search and useful filters.