MarginGuard helps small online merchants plan discounts without overlooking profit. Upload a product CSV or try the free demo, compare promotional offers, protect priority SKUs, and improve your discount plan against a minimum profit goal. No account or Shopify integration required. Financial inputs stay in your browser.

Open a room, share the link, and talk with up to 10 people right in your browser. No account, no download. Play games together while you talk (Seal Deal, Cheat, Sketch Seal, Tencord) or watch YouTube in sync. Add friends to see when they're online and jump into their room in one tap. Voice goes peer-to-peer and encrypted, and nothing is recorded. 39 languages, free.

One task at a time, and a focus timer to start it. On a Mac, FocusDrop sits in the menu bar: hover the notch for your next task and a focus dial. It syncs with the iPhone app through your own iCloud. No account. Free: 7 tasks, 5 sessions a day.

Compare investor theses, price targets, risks, and revisions through MCP or the REST API. BeliefState links released research to dated sources and shows which tickers have coverage.

Start a coding session on Windows and pick it up from Android or iPhone. Follow live output, respond to permission requests, review Git changes, and send files to Codex, Claude Code, and other compatible agents. Nanachi Remote is free and open source. The mobile web app connects to your PC over your private Tailscale network. Requires Windows x64 and a configured agent.

Turn your desktop into an AI-powered creative workspace. BIMB stays on your screen, understands the images you work with, and helps arrange, enhance, retouch, and transform them without switching applications. Drag images to BIMB to upscale resolution, enhance faces, sharpen details, reduce noise, colorize photos and arrange visual assets. BIMB understands your images, performs creative tasks locally using Edge AI, and lets you drag finished results directly into applications.

Free Notion tool to batch 7 days of content in ~30 minutes — ideas, platforms, checklist. Duplicate and go.

Free tools for IT technicians: DNS Lookup (SPF, DKIM, DMARC), DNS propagation, email headers, subnet calculator, ICS files and SEO audit.

SoundsChecker is a free set of browser-based sound test tools. Test left/right speakers, headphones, microphones, bass, frequency response and noise levels instantly with no download. A Firefox extension is also available: https://addons.mozilla.org/en-US/firefox/addon/soundschecker/

Free photo to crochet chart generator with C2C, tapestry and filet styles.

Story Nest Kids is a free story website for children ages 3–8 by children's author Sheikh Muneeb: a free library of 24 moral and bedtime stories with pictures, 106 coloring pictures children can color online, and four paperback books on Amazon — My First Coloring Book, Dragon Friends, Dino Friends and the ABC Tracing Book for Kids. New stories every day on the Story Nest Kids YouTube channel.

Photograph what you eat and tap how you feel. In about two weeks NutrUp shows which foods your symptoms followed, and which are clear, with the meals behind each. No account, and the diary stays on your iPhone. Free to log. Not medical advice.

QlearnAI turns a topic, your notes, or a PDF, Word or PowerPoint file into a short interactive course with progress tracking, review and a certificate.

Stop copy pasting prompts across chat tabs. AI Content Team runs your idea through specialized AI roles, from Planner to Writer to Editor, across 9 workflows, so solo founders and creators can turn raw notes into YouTube scripts, Reddit posts and launch kits.

Describe the edit in one sentence and Viewcat cuts your footage, adds captions and builds motion graphics on a real timeline. Click any title, caption or clip to change just that part, or edit it by hand. Pro skills and styles are built in: talking-head cleanup, long videos to Shorts, copying a creator's editing style. Use Viewcat AI or your own Claude Code or Codex plan. Free manual editor for Windows and Mac.

Never miss a due date or a payment again. eKepto tracks rent, tiffin, bills and expenses with reminders, partial payments and monthly reports. Free for India.

GPA Calculator works out your semester GPA as you type — add courses, grades and credits, and the weighted average updates instantly. Add previous terms and it combines them into your cumulative GPA by grade points, not by averaging GPAs. College and high school modes, weighted Honors/AP up to 5.0, a pre-filled worked example, and the full 4.0 scale. Free, no signup, nothing uploaded — your courses stay in your browser.

A comprehensive map of everywhere you've been. The map starts out in fog, and every walk, ride or drive clears a little more. Old photos fill in the years before you installed it! No account, no ads, and nothing leaves your iPhone. Free, or $5.99 once for Plus.

Mempo is a free web app for learning B2, C1 and C2 English vocabulary (the levels of the upper-intermediate, advanced and proficiency exams) a little every day. You swipe through word cards, say whether you know each word, and Mempo brings words back at the right time until they stick.

Moon Command is a free, browser-based real-time strategy game inspired by the Command & Conquer games I grew up on. Build your base, gather resources, and push across the lunar surface — two ways to win: army or race to Mars. Open mooncommand.ai and play (best on desktop). I also wrote the original soundtrack.