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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Finds and checks work email addresses for sales prospects, charging only for verified results.

Since 2015

Subscription · CRM and sales · Agencies

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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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Website widget for estate agents that offers visitors a free property valuation PDF and captures them as leads.

Free plan · Marketing and social · Property and estate agents

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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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A Docker app with a web interface for setting up Nginx reverse proxies and auto-renewing SSL certificates.

Free · Developer tools · Individuals and families

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Quiz builder for scored and personality quizzes you can embed on a site to collect leads or test students.

Free plan · Forms and surveys

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An open-source photo and video library you run on your own server, with animated previews, search and browser playback.

Since 2024

Free · Video and audio · Individuals and families

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Log every flight you take on your own server, see routes on a world map and get travel stats.

Free · Travel · Individuals and families

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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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Simple private diary with one page per day, photo uploads and export, free to use or run on your own server.

Since 2026

Free · Notes and knowledge · Individuals and families

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Live chat, chatbots and an AI shopping assistant that help online shops answer visitors and turn chats into sales.

Free plan · Customer support · Online sellers

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Finds verified B2B contacts and runs email and LinkedIn outreach sequences so sales teams can book more meetings.

Since 2015

Subscription · CRM and sales · Agencies

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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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Finds likely buyers from your website, writes them personal cold emails and handles follow-ups to book sales calls.

Since 2013

Pay as you go · CRM and sales · Agencies

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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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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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Watches Reddit, LinkedIn, X and other sites for people asking for a product like yours and drafts replies for B2B founders.

Since 2023

Subscription · CRM and sales · Agencies

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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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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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Set up bots without code that pull data from websites into spreadsheets or APIs and alert you when pages change.

Free plan · Data and spreadsheets

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Shows B2B sellers which companies visit their website and what interests them, so sales can follow up early.

Free trial · CRM and sales · Agencies

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Watches Reddit for posts that mention your brand or keywords, alerts you, and drafts replies so you can join in.

Since 2024

Free plan · Marketing and social

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Builds multi-step forms with logic that guide website visitors through questions to collect leads and job applicants.

Free plan · Forms and surveys

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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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Finds businesses with dated websites, scores their sites and runs outreach by letter, email and LinkedIn for web design agencies.

Since 2024

CRM and sales · Agencies

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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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Tool for running a home server that installs and updates hundreds of self-hosted apps from a dashboard.

Free · Developer tools · Individuals and families

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Push a Docker image and get a public HTTPS link, so developers can share demos, bots and side projects quickly.

Free plan · Developer tools · Developers

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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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An API giving clean JSON job listings from thousands of companies, for building job boards and hiring analytics.

Since 2024

Subscription · Data and spreadsheets · 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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A light Mac app that runs Docker containers, Kubernetes and Linux machines as a Docker Desktop replacement.

Since 2023

Developer tools · Developers

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An app for learning Japanese with an AI tutor, speaking roleplays, kanji, quizzes and a personal study plan.

Since 2026

Free plan · Courses and learning · Individuals and families

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A language app that translates words offline, saves them to your own tagged word list and helps you review them with flashcards.

Since 2025

Courses and learning · Individuals and families

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Builds B2B lead lists of buyers and distributors from registers, trade shows and dealer locators, for companies selling physical goods.

Since 2025

Free plan · CRM and sales · Manufacturing

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Finds software companies that already pay for marketing, with the source of each signal and a public way to contact them.

Since 2026

Pay as you go · CRM and sales · Agencies

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Turns notes, PDFs or images into flashcards you can study online, share by link or print.

Since 2025

Free · Courses and learning · Individuals and families

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Lets roofers pin homes on a map, draft roof estimates and mail homeowners a project postcard instead of knocking doors

Free plan · Jobs and field service · Trades and home services

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Watches Reddit, X and LinkedIn for people asking for what you sell and drafts replies that point them to you.

Since 2025

Subscription · Marketing and social · Software companies

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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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Connect a Git repo and every push gets built and served as a live app with its own HTTPS address, for developers.

Free plan · Developer tools · Developers

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Hover over Chinese text in any Mac app to see pinyin, meanings and sentence breakdowns, and save words as flashcards.

Since 2026

Free plan · Courses and learning · Individuals and families

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Self hosted tool for people who want their European bank transactions copied into Airtable, Google Sheets, Notion, Actual Budget or CSV.

Since 2026

One-off payment · Automation and integrations · Individuals and families

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A reading app for language learners that imports books, articles and videos, translates words and sends vocabulary to Anki.

Since 2026

Free · Courses and learning · Individuals and families

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A reading and study app that lets you clip from books and papers, link the clips in mind maps and review them as cards.

Courses and learning · Individuals and families

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Paste a YouTube link or upload a transcript and get an Anki flashcard deck made by AI, ready to import.

Since 2025

Free plan · Courses and learning · Individuals and families

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Records every AI agent decision in a signed, tamper-evident log so teams can show regulators what their AI did under the EU AI Act.

Since 2026

Free plan · Developer tools · Developers