No moat. Still in business.

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Excel add-in for querying tables with SQL, scripting workbooks in C# and building custom Excel functions.

Since 2016

Free plan · Data and spreadsheets · Developers

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Builder for conversational forms and surveys with logic, offered in the cloud or as a WordPress plugin.

Since 2018

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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A cloud workspace for creating, running and sharing marimo Python and SQL notebooks for data work

Since 2024

Developer tools · Developers

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WordPress plugin for building, selling and running online courses and memberships on your own site.

Free plan · Communities and memberships · Creators and writers

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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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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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A Mac PDF reader for studying hard documents: ask questions about the page, get summaries and quizzes, and have passages read aloud.

Since 2026

Notes and knowledge · Individuals and families

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Build onboarding for new hires from checklists, quizzes and videos, then track each person through to the end.

Since 2026

Payroll and HR

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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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Describe a form in plain text and get questions, logic and design drafted for you, then edit it, free with unlimited responses.

Since 2024

Free plan · Forms and surveys

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Build step-by-step forms for surveys, leads and quizzes, with logic, webhooks and unlimited responses on the free plan.

Free plan · Forms and surveys

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A free e-learning platform from Greece's GUnet for schools and universities to run online courses and exercises.

Free · Courses and learning · Schools and tutors

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Open-source form builder for surveys, quizzes and lead capture with conditional logic, hosted or on your own server.

Since 2024

Free plan · Forms and surveys

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Build popups, multi-step forms, quizzes and on-site widgets to collect leads and sales from website visitors.

Free plan · Forms and surveys

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A web workspace where analysts write SQL over market prices, macro series and SEC filings, then chart the results without Python.

Since 2026

Subscription · Data and spreadsheets

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Drag and drop form builder for WordPress sites, with calculations, email alerts and paid add-ons for payments and CRMs.

Free plan · Forms and surveys

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WordPress plugin that lets course creators, schools and coaches build lessons, quizzes and certificates, and sell access.

Free plan · Courses and learning · Agencies

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WordPress form builder for contact forms, surveys, quizzes and calculators, with entries shown as listings or directories.

Free plan · Forms and surveys

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Build surveys, polls and quizzes inside WordPress and keep every response on your own site.

Free plan · Forms and surveys

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WordPress plugins that give course sites proper quizzes, graded assignments and checkable certificates, free to start.

Free plan · Courses and learning · Creators and writers

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A Persian language tool for building online surveys, quizzes and forms and analysing the answers.

Free plan · Forms and surveys

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WordPress plugin for building contact, survey, quiz and payment forms with drag and drop and ready-made templates.

Free plan · Forms and surveys

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WordPress plugin for creating, selling and running online courses with quizzes and certificates.

Free plan · Courses and learning · Creators and writers

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WordPress plugin for making popups, sticky bars, optin forms and quizzes to turn visitors into leads.

Free plan · Forms and surveys

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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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Deploys apps from a GitHub repo onto a server in your own cloud account, with HTTPS and redeploys on each push.

Since 2026

Free plan · Developer tools · Developers

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A WordPress plugin for building surveys, quizzes and event sign-ups that keeps responses on your own site and can take payment.

Free plan · Forms and surveys

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WordPress plugin for building, running and selling online courses with quizzes, assignments and certificates.

Courses and learning · Creators and writers

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WordPress plugin for building chat-style forms, surveys and quizzes that show one question at a time and can take payments.

Forms and surveys

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WordPress form builder for contact, payment, survey, quiz and calculator forms, with AI help to draft forms.

Forms and surveys

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Practice questions, coding tasks, quizzes and system design for AI and data job interviews, with AI feedback on your answers.

Since 2025

Subscription · Courses and learning · Individuals and families

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Turns uploaded notes and slides into practice quizzes with daily recall and review so students are ready for exam day.

Since 2025

Free plan · Courses and learning · Individuals and families

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Sets up and manages your own cloud server to deploy Django apps, with a dashboard, CLI and API.

Since 2021

Free plan · Developer tools · Developers

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Builds hosted giveaways, quizzes, polls and contest pages from a short description, then collects the entries for marketers.

Free plan · Forms and surveys

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Create interactive videos, quizzes and presentations in the browser and embed them in WordPress, Drupal or an LMS.

Free plan · Courses and learning · Schools and tutors

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Self-hosted testing platform for schools, trainers and certifiers, with question banks, gradebook and proctored exams.

Free · Courses and learning · Schools and tutors