No moat. Still in business.

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Design branded QR codes, change where they point after printing and see scan stats, for businesses using print materials.

Since 2013

Free plan · Marketing and social

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Desktop data analysis app where you ask about your data in plain English and get Python code, charts and notebooks run on your computer.

Since 2017

Data and spreadsheets

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Daily notes app that puts project notes, tasks, Apple Calendar events and Reminders side by side for planning each day.

Since 2020

Subscription · Notes and knowledge · Individuals and families

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Simple blog hosting with no ads or tracking: write in markdown and drag files in to publish, for a small monthly fee.

Since 2024

Subscription · Website builders · Individuals and families

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Make chart images from a single URL to embed in emails, PDFs and reports, through the API or no-code tools.

Free plan · Developer tools

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Make a feedback form, print a branded QR code for it, and read customer responses and sentiment on a dashboard.

Since 2024

Free plan · Forms and surveys

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iPhone app to log what is in each box or shelf, label it with a code, and search for items later.

Subscription · Inventory and stock · Individuals and families

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Makes custom QR codes for links, contacts, WiFi and text, with logos and colours, and exports them as PNG or SVG.

Free · Design and images

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Build PDF templates in a visual or HTML editor, then fill them with data by API or Zapier to make invoices and other files.

Free plan · Documents and e-signature

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Lets developers share live progress of scripts and jobs through a link, via an API or a tqdm replacement.

Uptime and monitoring · Developers

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Free online tool for couples, planners and venues to place guests at tables, then print the plan as a PDF or share seats via QR code.

Since 2026

Free plan · Something else · Individuals and families

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Customers tap an NFC card or scan a QR code, answer a few questions, and get help writing a Google review.

Free trial · Reviews and testimonials

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A Markdown notes app for developers with encrypted sync, plugins and an API that coding agents can use.

Subscription · Notes and knowledge · Developers

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A Mac notes app that keeps notes as plain Markdown text files in folders you choose, with links between notes.

Free · Notes and knowledge · Individuals and families

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Spreadsheet that links to databases and files and lets AI write the formulas, Python and charts for you.

Since 2023

Data and spreadsheets

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Make a one-question emoji poll for a talk, meeting or event and share it by link or QR code to see answers live.

Since 2024

Free plan · Forms and surveys · Events

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An editing dashboard for Markdown and MDX kept in your GitHub repo, so clients can update static sites without Git.

Since 2022

Free plan · Website builders · Agencies

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Small text app for jotting and keeping short notes, synced via iCloud to iPhone, iPad, Watch and Mac.

Notes and knowledge · Individuals and families

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An API that gives developers any company's logo, colours and brand details from a domain, name or stock ticker.

Free plan · Developer tools · Developers

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Simple file storage for developers, with a tiny API and public files served from a CDN, as an S3 alternative.

Since 2024

Free plan · Developer tools · Developers

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Tracks a team's equipment, who has it and when it is booked, from the web or a phone app with scannable labels.

Free plan · Inventory and stock

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A simple self-hosted wiki that stores markdown pages in git, with file attachments and full page history.

Free · Notes and knowledge

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Paste or upload HTML and get clean Markdown back, in the browser or through an API.

Since 2024

Developer tools · Creators and writers

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An API that crawls whole websites and returns tidy markdown for teams feeding RAG systems or training models.

Since 2024

Free plan · Developer tools · Developers

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Markdown app for Mac and iOS to write, keep notes and publish them as a static blog.

One-off payment · Website builders · Individuals and families

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Write product documentation and user manuals in Markdown and publish them as a website, PDF or eBook.

Free plan · Website builders · Software companies

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Makes static and editable QR codes and barcodes with branding, scan stats and a link shortener for businesses.

Marketing and social

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WordPress plugin that lets affiliate marketers shorten, brand, track and auto insert their affiliate links.

Marketing and social · Creators and writers

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Makes styled QR codes with your logo from a text description and checks they scan, for print, packaging and web.

Since 2026

Pay as you go · Marketing and social

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A WordPress plugin that makes sites load faster by caching pages, shrinking images, trimming code and serving files from a CDN.

Website builders

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Browser LaTeX and Markdown editor where researchers write papers together, manage references and track AI help.

Since 2026

Free plan · Documents and e-signature · Individuals and families

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Runs versioned SQL and Python database migrations with dry runs, history checks and rollbacks, for Python teams.

Since 2026

Free plan · Developer tools · Developers

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Turns a list or spreadsheet of links into many styled QR codes at once, all inside your browser.

Since 2025

Free · Design and images

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Make short links and QR codes you can repoint later, and see who clicks them, with cheap yearly plans.

Since 2026

Free plan · Marketing and social

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Gets and renews free Let's Encrypt SSL certificates on cPanel shared hosting without command line work.

Free plan · Security and passwords

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Edit HTML and Markdown files stored in Google Drive and put them on a public web address in one step.

Since 2026

Free plan · Website builders

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For creators: one profile page for all links, custom short URLs and QR codes carrying a logo, with stats on each click and scan.

Since 2025

Free plan · Marketing and social · Creators and writers

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Point any domain at any URL with automatic HTTPS, path rules and hit analytics, no server to run.

Free plan · Website builders

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Fixes the mixed content and insecure content warnings a WordPress site shows after it moves to HTTPS.

Website builders

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Helps bars, hotels, festivals and venues log found items, take claims through a QR page and return property to owners.

Since 2025

Subscription · Something else · Restaurants and cafés

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Focused writing app with a clean Markdown editor, for writers who want fewer distractions.

Free trial · Notes and knowledge · Individuals and families

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A self-hosted knowledge base that serves Markdown files as searchable, editable docs for teams.

Free · Notes and knowledge

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A self-hosted place to jot quick markdown notes in a personal timeline, keeping each private or shared.

Notes and knowledge · Individuals and families

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Draw a box around any text on your Mac screen and get it on the clipboard, read on the device with no account.

Since 2026

Free · Focus and productivity

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Guests at a wedding or party scan a QR code to upload and view photos in a shared, moderated gallery you host.

Free · Design and images · Individuals and families

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An iPhone app that locks distracting apps until you tap an NFC tag or scan a QR code you keep somewhere else.

Since 2025

Free · Focus and productivity · Individuals and families

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A fast desktop notes app with blocks, Markdown, images and task boards, storing notes locally first.

Free · Notes and knowledge · Individuals and families

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A light Markdown notebook that keeps notes on your device, with optional sync and AI models that run locally.

Since 2026

One-off payment · Notes and knowledge · Individuals and families