No moat. Still in business.

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Adds a chat box to your website so your team can reply to visitors from Slack, Discord or Teams.

Since 2016

Subscription · Customer support

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Watches web pages for changes and sends alerts or scraped data to Slack, Discord, Telegram or Google Sheets without code.

Since 2019

Free plan · Uptime and monitoring

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Bulk deletes your old posts, messages and comments across dozens of social sites and removes you from people search sites.

Since 2021

Free plan · Security and passwords · Individuals and families

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Sends an email or Slack message whenever your brand or chosen keywords show up in Hacker News, Reddit or Lobsters posts.

Since 2017

Free plan · Marketing and social

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Puts WhatsApp, Slack, Signal, email and other messengers into one desktop app with workspaces.

Since 2017

Free plan · Focus and productivity

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A headless CMS where developers turn React components into blocks that content editors arrange into pages visually.

Since 2024

Website builders · Agencies

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Automated SEO for websites: audits pages, tracks keywords, drafts and schedules articles, and checks visibility in AI chat answers.

SEO

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One API and an in-app inbox component that let software teams send notifications by email, SMS, push, chat and in-app.

Transactional email · Developers

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Watches GitHub, npm, PyPI, Docker Hub and other sources and tells you when projects you follow ship a new version.

Developer tools · Developers

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An iPhone app that passes incoming texts along to Slack, Teams, Discord, email or a second phone, useful for teams sharing 2FA codes.

Since 2024

Free plan · Automation and integrations

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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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Gives static website forms a hosted endpoint that stores submissions, filters spam and sends alerts to email, Slack or Discord.

Forms and surveys · 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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WordPress plugin that alerts you in Slack, Discord or email when posts change, users sign up or plugins update.

Free plan · Uptime and monitoring

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Build AI chat agents for support or sales and run them on your website, Slack, WhatsApp and other channels.

Subscription · Customer support

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Watches your SSL certificates and sends alerts well before they expire, with automatic host discovery.

Since 2022

Free plan · Uptime and monitoring · Developers

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Hosts apps from Git on European servers and adds user login through a hosted OAuth and OpenID Connect server.

Free plan · Security and passwords · Developers

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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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Watches web pages for you and sends an alert when content, prices or stock levels change.

Subscription · Uptime and monitoring

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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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Privacy friendly website analytics that shows where visitors come from and which pages lead to paying customers, without cookies.

Since 2026

Free plan · Website analytics

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A chatbot you train on your own content to answer website visitors, capture leads and hand chats to a person when needed.

Free plan · Customer support

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Answers users' questions from your product docs with source links, on your site, Discord and Slack.

Since 2025

Subscription · Customer support · Developers

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Watches dead letter queues in RabbitMQ and Kafka, alerts on stuck consumers or spikes, and lets engineers replay failed messages.

Since 2026

Uptime and monitoring · Developers

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Real-time US stock, ETF and options data through an API or Google Sheets formulas, for traders and developers.

Free plan · Data and spreadsheets · Individuals and families

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Holds risky actions from unattended AI coding agents until someone approves them from a dashboard or phone, and logs each decision.

Since 2026

Free trial · Security and passwords · Developers

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An API that checks signup email addresses for bad format, dead mailboxes and throwaway providers, paid by credit packs.

Since 2026

Free plan · Developer tools · Developers

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Sends you an alert by email, Slack, Discord, Teams, Pushover or webhook soon after Apple releases an iOS or macOS update.

Since 2025

Free · Uptime and monitoring

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A form endpoint for React, Vue or plain HTML sites that stores submissions, blocks spam and emails or forwards each one.

Free plan · Forms and surveys · Developers

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Translates the text in your app, docs and website into many languages, with a CLI, API and review tools.

Since 2025

Developer tools · Developers

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Runs ping, traceroute, DNS, MTR and HTTP checks from probes around the world, for network and web engineers.

Since 2026

Free · Uptime and monitoring · Developers

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Discord bot that captures voice chats and writes them up as live text, AI summaries and transcripts you can share.

Since 2026

Free plan · Video and audio · Individuals and families

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Sits in front of your server to receive webhooks from Stripe, Shopify and others, logging each one so missed events can be resent.

Free plan · Developer tools · Developers

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A WordPress plugin that scans for malware and weak spots, blocks bad traffic and locks down logins for site owners.

Free plan · Security and passwords

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Opens a public HTTPS address to a server on your own machine, so developers can test webhooks and bots.

Since 2025

Free plan · Developer tools · Developers

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Alerts you by email, Slack or a ticket when a cron job, backup or pipeline misses its expected check-in.

Since 2026

Free plan · Uptime and monitoring · Developers

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Spots DDoS attacks on your servers within a second and triggers firewall, BGP or scrubbing responses.

Since 2026

Subscription · Uptime and monitoring · Developers

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Open source support chat and inbox for apps built with React or Next.js, where an AI agent handles routine questions and staff step in.

Customer support · Developers

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Paste one endpoint into an HTML form to get spam filtering, stored submissions, email alerts and routing to other tools.

Free plan · Forms and surveys · Developers

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Self-hosted tool that runs scheduled PostgreSQL, MySQL and MongoDB backups to cloud storage and alerts your team.

Since 2025

Free · Developer tools · Developers

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Product analytics for web and mobile apps with session replay, funnels, heatmaps and crash tracking from a small SDK.

Since 2026

Free plan · Website analytics · Developers

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Watches scheduled jobs and websites by waiting for a ping from each run, then alerts you on Telegram or Slack when one is late.

Free plan · Uptime and monitoring · Developers

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Transcribes, translates and labels speakers in recordings and meetings on your own Windows or Linux computer.

Since 2026

Free plan · Video and audio · Creators and writers

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An AI agent that audits your site each week and drafts SEO fixes, pull requests and articles for you to approve.

Since 2026

Subscription · SEO

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An AI assistant you copy into emails or Slack threads that chases replies, collects approvals and tells you when things are agreed.

Since 2026

Free plan · Projects and tasks

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Website chat widget that sends visitor messages to Telegram, Slack or Discord so small teams can answer from their phones.

Since 2026

Free plan · Customer support

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Turns prompts into editable Python for mesh modelling, simulation setup and 3D printing, with shareable 3D results.

Since 2025

Free plan · Design and images · Manufacturing

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Build automation workflows by linking AI models, scrapers and APIs on a visual canvas, then run them serverless on Cloudflare.

Since 2025

Automation and integrations · Developers