No moat. Still in business.

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A Mac email app built on the Gmail API, with full support for labels, filters, categories and several accounts.

Since 2020

Free trial · Focus and productivity

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Holds copies of your software's source code and SaaS setup in escrow so customers can recover them if the vendor fails.

Since 2017

Subscription · Security and passwords · Software companies

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An email and calendar app where you describe a repeat email task and an agent replies, follows up and closes it.

Since 2024

Automation and integrations

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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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Open-source shared editor and headless CMS for writing technical docs, dev blogs and knowledge bases, with Git sync.

Notes and knowledge · 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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Free open source desktop tool that plots millions of table rows visually so analysts can spot outliers and odd patterns.

Since 2024

Free · Data and spreadsheets

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Builds and publishes a small business website from a few answers, with AI writing the copy and you paying for each page

Free plan · Website builders

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Plans delivery and service routes from a spreadsheet of stops, handling time windows, vehicle capacity and shifts.

Since 2024

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

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Visual canvas where teams arrange repos, notes, links and people for a project and work on it together live.

Projects and tasks · Software companies

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An AI receptionist that answers and routes business calls, then scores each call and logs it in your CRM.

Since 2026

Subscription · CRM and sales

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Keeps client IT records, tickets and invoices in one place, for managed IT service providers, self-hosted or hosted.

Free · Customer support

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CAPTCHA and bot blocking that stops scrapers, fake signups and account takeover on forms, APIs and full sites, explaining each block.

Free plan · Security and passwords

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Connects to your SaaS tools to handle staff access requests, reviews and removals, with an agent doing the routine work.

Since 2024

Security and passwords · Software companies

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A WordPress plugin that shows a Google, Microsoft 365 or iCloud calendar feed on your site and keeps it updated.

Free plan · Scheduling and booking

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Markdown note app for every device that stores plain files and syncs through Git, GitHub, iCloud or your own server.

Since 2024

Notes and knowledge · Individuals and families

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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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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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A free desktop app for editing Hugo static websites on your own computer and publishing them through Git.

Since 2023

Free · Website builders · Creators and writers

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Security teams build automated response workflows and agents, and track incidents as cases, self-hosted or managed.

Security and passwords · Software companies

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An email app with an AI assistant that sorts your inbox, drafts replies in your style and finds answers in old mail.

Since 2022

Free plan · Focus and productivity

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Booking software for tour and activity operators with payments, QR check-in and availability synced to over 70 OTAs.

Free trial · Scheduling and booking · Hotels and hospitality

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Say or type what you want done and Clara builds a scheduled automation that uses your Gmail, Drive and other apps.

Since 2026Updated 32 days ago

Automation and integrations · Individuals and families

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Booking widget for websites and Shopify stores that handles appointments, reminders, staff availability and payments.

Subscription · Scheduling and booking · Health and clinics

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A calendar on top of Google Calendar that keeps tasks next to your week, shares booking links and shows time zones.

Since 2024

Subscription · Scheduling and booking · Individuals and families

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Write one sentence about the page you want and get a mobile friendly HTML file to tweak, download or put online, free and without signup.

Since 2024

Free · Website builders

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Connects your business apps through prebuilt automations you switch on in a click, a cheaper alternative to Zapier.

Free plan · Automation and integrations

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Lets performers and freelancers share free dates from Google Calendar and accept or decline the booking requests clients send.

Subscription · Scheduling and booking · Freelancers

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Free planner for students that tracks classes, homework and grades and works out what score you need.

Free · Focus and productivity · Individuals and families

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WooCommerce plugin where shoppers choose a delivery or pickup date and time at checkout, with daily order limits.

Free plan · Scheduling and booking · Restaurants and cafés

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Searches your company's Slack, Drive, GitHub and other tools by permission and answers questions with links to the source.

Notes and knowledge

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A WordPress plugin that lets clients pick a time and book services on your site, with Google Calendar sync in the Pro version.

Free plan · Scheduling and booking

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Guides small startups through SOC 2 and ISO 27001 audits with a task list and evidence pulled from their cloud tools.

Since 2026

Subscription · Security and passwords · Software companies

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An iPhone app that turns calendar events into alarms that stay on screen, with leave-time and flight timing.

Since 2026

Focus and productivity · Individuals and families

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Open-source AI analyst for data teams that links any LLM to company data and answers questions in a web app or Slack.

Since 2025

Data and spreadsheets

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Lets WooCommerce shops take date-based bookings for rentals, holiday homes, equipment hire and tours, with prices and availability rules.

Free plan · Scheduling and booking · Hotels and hospitality

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Task tracker for product teams that adds a public board where users vote on ideas and follow the roadmap and changelog.

Free plan · Projects and tasks · Software companies

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Free WordPress plugin for taking appointments, with Google and Outlook calendar sync, reminders and video meetings.

Free · Scheduling and booking

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Self-hosted docs and wiki software with templates, approval steps and read analytics for company know-how.

Free plan · Notes and knowledge

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A note app on an endless canvas with nested pages, Markdown, sketching and live collaboration, for people who think visually.

Since 2025

Subscription · Notes and knowledge · Individuals and families

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One query checks Tor search sites, GitHub and threat feeds and returns actors, leaked logins and IOCs for security analysts.

Since 2026

Free plan · Security and passwords

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Lightweight project tracker with boards, Gantt charts and GitHub links for software teams that would rather ship.

Subscription · Projects and tasks · Developers

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A Finnish booking page for small firms where clients pick a free slot, with Google or Outlook sync and SMS reminders.

Free plan · Scheduling and booking · Freelancers

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Lets you style a Google Calendar and embed it on your website so it works well on desktop and mobile.

Free plan · Website builders

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A Mac app that fixes English grammar and tone as you type in any app and explains each fix in your own language.

Since 2026

Free plan · Something else · Individuals and families

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Shows times in several cities side by side and helps pick a meeting slot that works for people in different zones.

Since 2026

Free · Scheduling and booking

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Connects Claude and ChatGPT to tools like Search Console, Google Ads and your own APIs, with per-person logins and call logs.

Since 2026

Free plan · Automation and integrations

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A WordPress plugin that adds an appointment booking form and calendar to a business website, with paid add-ons for SMS and payments.

Free plan · Scheduling and booking