No moat. Still in business.

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A simple to-do and reminder app for phones and tablets with checklists, memos, widgets and sync between devices.

Since 2011Updated 12 days ago

Projects and tasks · Individuals and families

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A secure portal that requests files from clients, sends automatic reminders and syncs what comes back to your drive.

Since 2019

Free trial · Documents and e-signature

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A private personal CRM that records details, dates and past chats about the people in your life.

Since 2017

CRM and sales · Individuals and families

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Open-source backend for app builders with auth, databases, storage, functions and hosting, run in the cloud or on your own servers.

Since 2021

Developer tools · Developers

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Runs browser and API checks against your app from many regions and alerts you when they fail, set up as code.

Since 2021

Free plan · Uptime and monitoring · Developers

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Small businesses take online bookings and payments for appointments and classes, with text and email reminders.

Free plan · Scheduling and booking · Gyms and fitness

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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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Phone app that tracks your habits on grids and pays you coins to spend on rewards you pick yourself.

Since 2024

Free · Health and habits · Individuals and families

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Message yourself notes, tasks and reminders in a chat-style app that works offline with optional encrypted sync.

Since 2024

Free · Notes and knowledge · Individuals and families

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An iPhone assistant for parents that remembers family details, plans schedules and sends reminders through chat.

Family and parenting · 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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An iPhone app that records oil changes, repairs and costs per vehicle and reminds you before service.

Home and car · Individuals and families

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Sends alerts to on-call staff, handles their rotas and runs status pages so tech teams can respond to outages quickly.

Since 2020

Free trial · Uptime and monitoring · Developers

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Sets up and manages your web servers and handles site deployments, with extra help for Laravel apps.

Subscription · Developer tools · Agencies

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A lightweight Mac code editor that runs and debugs code in dozens of languages, for programmers who want quick scripts.

One-off payment · Developer tools · Developers

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Hosted app backend with database, user login and generated REST and GraphQL APIs, so developers skip running servers.

Developer tools · Developers

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Monitors websites, servers, cron jobs, DNS records and SSL certificates, with alerts and public status pages.

Since 2024

Free plan · Uptime and monitoring · Developers

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Hosted status pages with built-in uptime checks, so you can keep customers informed during outages and cut support tickets.

Free plan · Uptime and monitoring · Software companies

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Monitors website uptime from several countries, tries automatic recovery, and calls or texts you if the problem stays.

Subscription · Uptime and monitoring

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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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Gathers status updates from thousands of cloud services you depend on, warns you about outages and shows them on one page.

Uptime and monitoring · Software companies

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Checks your websites, SSL certificates, DNS and domains every 30 seconds and alerts you when something breaks or expires.

Free plan · Uptime and monitoring · Agencies

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A free status page you host yourself to tell customers about outages, incidents and planned maintenance.

Free · Uptime and monitoring · Software companies

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Alerts you when a cron job misses its ping or a site, certificate or domain has a problem, with status pages included.

Free plan · Uptime and monitoring · Agencies

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Native Mac code editor for web and app developers, with Git, debugging, terminal and remote file publishing.

Free trial · Developer tools · Freelancers

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Watches the status pages of thousands of outside services and alerts you when the ones you depend on go down.

Since 2024

Free plan · Uptime and monitoring · Developers

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Checks your websites, SSL, ports and cron jobs, confirms outages from other regions and runs status pages on your domain.

Since 2024

Free plan · Uptime and monitoring · Online sellers

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Checks websites, APIs and cron jobs every 30 seconds and confirms an outage before alerting your team.

Subscription · Uptime and monitoring · Developers

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Drop-in Redis replacement that aims to halve memory use, with a trial mode to test savings on your own data.

Free trial · Developer tools · Developers

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Monitors websites and Linux servers, sends alerts by email, SMS or call, and hosts branded status pages on your domain.

Free plan · Uptime and monitoring · Developers

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To-do list app for iPhone, iPad, Mac and web with reminders, smart lists, recurring tasks and shared lists.

Free plan · Projects and tasks · Individuals and families

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A booking link for barbers, braiders and nail techs that takes deposits and sends reminders, with no commission.

Free plan · Scheduling and booking · Salons and beauty

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Tells developers when scheduled jobs, agents, websites or APIs fail or run late, and hosts status pages for customers.

Free plan · Uptime and monitoring · Developers

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Task manager for Mac, iPhone and Android with natural language entry, tags, lists and syncing with common services.

One-off payment · Projects and tasks · Individuals and families

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A notes app for Mac and iPhone that puts notes on a timeline and links them to calendar events.

Free plan · Notes and knowledge

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A habit app based on the Atomic Habits book that helps you start small, track progress and adjust habits.

Free plan · Health and habits · Individuals and families

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A Mac reminders app that shows an animated cat or dog on your desktop when something is due.

Free plan · Focus and productivity · Individuals and families

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Checks your websites, APIs and ports and messages you on WhatsApp after repeated failures, with status pages and SSL checks.

Free plan · Uptime and monitoring · Developers

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An offline iPhone todo list built around a daily plan, with do dates, recurrences, reminders and subtasks.

Since 2025

Focus and productivity · Individuals and families

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Runs incidents from alert to postmortem for engineering teams, with on-call rotas, escalations and status pages included.

Free plan · Uptime and monitoring · Developers

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A phone app for logging your moods with notes and photos, setting reminders and looking back at trends over time.

Since 2026

Free plan · Health and habits · Individuals and families

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A desktop app for developers to inspect RabbitMQ queues, spy on live traffic and replay dead-lettered messages.

Since 2025

One-off payment · Developer tools · Developers

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Shares household chores and family calendars among everyone at home, with automatic reminders for each member.

Family and parenting · Individuals and families

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A WordPress plugin that lets clients book, move or cancel appointments on your site, with reminders and calendar sync.

Free plan · Scheduling and booking

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Open source uptime checks, alerts and public status pages that you or an AI agent can manage, with no charge per monitor.

Free plan · Uptime and monitoring · Developers

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Sets up a recurring rota for team duties like standups or kitchen restocks, with a share link and email reminders.

Since 2025

Free plan · Scheduling and booking

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Turns a personal goal like learning a language or saving money into a step plan with daily reminders and coaching.

Since 2025

Health and habits · Individuals and families

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Uptime checks for sites, APIs, databases and queues you run on your own server, with alerts and public status pages.

Free · Uptime and monitoring · Developers