No moat. Still in business.

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Make your own flashcard decks and review them on a spaced repetition schedule in the browser.

Since 2015

Free plan · Courses and learning · Individuals and families

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Website live chat with an AI agent and one shared inbox for WhatsApp, Instagram, Messenger and email messages.

Since 2023Updated 14 days ago

Free plan · Customer support

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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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Lets developers and their coding agents see the DOM, console and network of web pages on real iPhones and Android phones.

Since 2020

Free plan · Developer tools · Developers

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Copies events between your work, personal and school calendars so you show as busy everywhere, keeping details private.

Free plan · Scheduling and booking · Individuals and families

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Builds websites from ready sections or from a prompt in your AI assistant, with your own domain and many languages.

Free plan · Website builders

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Mac app that runs your own AI prompts on selected text, screenshots or voice from any app by keyboard shortcut.

Since 2023

One-off payment · Focus and productivity · Individuals and families

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Mac app that logs which apps, sites and documents you use, then helps you turn that into billable time entries.

Free trial · Time tracking · Individuals and families

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WordPress plugin that posts new articles to Bluesky and shows the likes and replies under each post.

Marketing and social · Creators and writers

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An API and MCP feed of live people and company data that sales, hiring and investing tools can query.

CRM and sales · Software companies

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To do app that syncs one list across iPhone, Mac, Windows, Linux and the web, works offline and accepts tasks from AI assistants.

Free plan · Projects and tasks · Individuals and families

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Sends marketing sequences, campaigns and transactional email for software teams, run from a dashboard, API or AI agent.

Since 2026

Email marketing · Developers

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An iPhone app that takes Japanese learners from beginner to fluent with one new sentence per flashcard and spaced review.

Since 2015

Courses and learning · Individuals and families

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Note app for students that builds flashcards, quizzes and summaries from notes and PDFs with spaced repetition.

Since 2021

Free plan · Courses and learning · Individuals and families

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A browser extension that saves and highlights words you look up on web pages, then drills them with flashcards.

Since 2020

Free plan · Courses and learning · Individuals and families

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A study app for students with spaced repetition flashcards, made from notes and PDFs, and scheduled around your calendar.

Free plan · Courses and learning · Individuals and families

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An API that pulls structured data out of web pages using AI, aimed at developers and AI agent builders.

Since 2024

Free plan · Developer tools · Developers

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An open-source AI coding agent that plans and makes code changes, used from your editor, a desktop app or the terminal.

Developer tools · Developers

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API that sends a bot into Meet, Teams or Zoom calls and streams speaker-labelled transcripts, self-hosted or in their cloud.

Since 2024

Free plan · Developer tools · Developers

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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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Flashcard app for iPad and iPhone where students draw, type or add images to cards and review them with spaced repetition.

Since 2024

Courses and learning · Individuals and families

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One subscription to a catalogue of ready APIs for documents, verification, media and AI tasks, aimed at developers building products.

Since 2023

Free plan · Developer tools · Developers

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A Mac app that gives programmers offline search across 200+ API doc sets, cheat sheets and their own code snippets.

Developer tools · Developers

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Students turn class notes or a PDF into a practice test that marks itself and explains each question they got wrong.

Since 2024

Free plan · Courses and learning · Individuals and families

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Flashcard app that uses spaced repetition so learners review hard cards more often, with sync between devices.

Courses and learning · Individuals and families

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Helps students sort courses, tasks, class schedules, flashcards and files into colour-coded folders.

Free · Focus and productivity · Individuals and families

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Flashcard maker that schedules reviews by spaced repetition, with dictionaries and text to speech for language learners.

Since 2024

Free plan · Courses and learning · Individuals and families

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An API that returns live Amazon product details, prices, reviews and sales estimates for developers building shopping or seller tools.

Free plan · Developer tools · Online sellers

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Gives AI assistants and agents authenticated access to over 1,500 apps so they can take actions, with a managed MCP gateway.

Pay as you go · Developer tools · Developers

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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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Gives every company you deal with a separate email address, locked to that sender, so leaks and spam are easy to cut off.

Since 2026

Free plan · Security and passwords · Individuals and families

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A note app for desktop and phone that records and transcribes, then answers questions using your own notes.

Since 2026

Notes and knowledge · Individuals and families

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A shared task board over MCP where Claude Code and Gemini agents hand you approvals and questions, and you send work back.

Since 2026

Free plan · Projects and tasks · Developers

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Open-source team email with shared mailboxes that you deploy into your own Cloudflare account.

Since 2026

Free · Customer support

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Gives each AI agent an alias so agents and people can message each other over MCP and A2A, with a Slack bridge.

Since 2026

Free plan · Developer tools · Developers

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Learn Japanese or Korean by tapping words in YouTube videos, manga and books, with flashcards that track what you know.

Since 2025

Free plan · Courses and learning · 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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Learn English words from books you are reading, with ready-made flashcards, quizzes and a word bank.

Since 2025

Free plan · Courses and learning · Individuals and families

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Lets coding agents across a team claim files, message each other and hand off work so they stop clashing.

Since 2026

Free plan · Developer tools · Developers

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Reads your Anki flashcards aloud through headphones and grades your spoken answers, with an AI tutor for follow-up questions.

Since 2026

Free plan · Courses and learning · Individuals and families

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Cloud iOS, Android and TV devices that coding agents can build on, control and test through MCP.

Free plan · Developer tools · Developers

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Replaces private data with tokens that can be restored while AI agents run, so outside models never see it, and keeps a signed record.

Since 2026

Security and passwords · Agencies

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Keyword research, backlink checks, rank tracking and site audits paid per use, self-hostable and usable from AI agents.

Pay as you go · SEO

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Turns PDFs and notes into flashcards you can review and edit, then export to Anki, Mochi or SuperMemo.

Since 2026

Subscription · Courses and learning · Individuals and families

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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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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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Free parametric 3D CAD for designing editable parts from constrained sketches, with STEP export and AI agent control over MCP.

Since 2026

Free · Design and images · Individuals and families