No moat. Still in business.

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Open-source error tracker that ranks frontend bugs from errors and session replays and opens fix pull requests on GitHub.

Since 2024

Uptime and monitoring · Developers

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Lets developers send templated email from browser or app code through their own mail provider, without writing a server.

Free plan · Transactional email · Developers

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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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Sends web, app and messenger push notifications so publishers and shops can reach visitors again.

Free trial · Marketing and social · Online sellers

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Hosting for developers that deploys Dockerfiles or images as apps, workers, cron jobs and databases on a private network.

Since 2024

Free plan · Developer tools · Developers

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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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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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An API that returns a company logo for any domain from a CDN, with a React component and domain locked keys.

Free plan · Design and images · 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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A note app for desktop and phone that records and transcribes, then answers questions using your own notes.

Since 2026

Notes and knowledge · Individuals and families

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Scans your app code to list every feature, then shows which ones users never touch or are fading, for SaaS teams.

Since 2026

Free plan · Website analytics · 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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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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Tracks domain renewals, SSL certificates and DNS records for many sites and alerts you before something lapses or breaks.

Since 2024

Subscription · Uptime and monitoring · Agencies

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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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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 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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Builds an AI chatbot trained on your business data to answer customers on your site, Telegram, Bale and more.

Free plan · Customer support

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A hosted backend and SDK so developers can add LLM chat to client apps using their own provider keys, with no server code.

Since 2025

Developer tools · Developers

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Hosted service that runs multi-step AI pipelines calling your own backend and streams progress to users.

Since 2026

Free plan · Developer tools · Developers

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Gathers user feedback through widgets and surveys, then uses AI to sort it by topic and sentiment.

Since 2025

Forms and surveys · Online sellers

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Keeps every domain you own in one dashboard and alerts you to expiry dates, DNS and SSL changes.

Free plan · 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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Schedule posts to ten social networks from a calendar, a REST call or an AI assistant, priced per connected account.

Free plan · Marketing and social · Agencies

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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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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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Watches websites and APIs, alerts you on several channels, tracks incidents and hosts status pages, all from an independent EU company.

Since 2025

Free plan · Uptime and monitoring · Agencies

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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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Alerts you when a cron job, worker or container stops checking in, and attaches its last log lines to the alert.

Since 2026

Free plan · Uptime and monitoring · Developers

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Checks whether your website can be reached from 43 countries and alerts you by Telegram, Slack or email when it is blocked.

Since 2025

Subscription · Uptime and monitoring

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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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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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Adds uploads, image resizing and typed SDKs on top of the Cloudflare R2 bucket you already have, without bandwidth fees.

Since 2025

Free plan · Developer tools · Developers

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Send app events with one HTTP call, then search them and get them delivered to Slack, Discord, Telegram or webhooks.

Since 2026

Free plan · Developer tools · Developers

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An API that puts an invisible mark on each copy of an image so creators and apps can trace who leaked it.

Since 2026

Security and passwords · Creators and writers

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Lets a team's AI coding agents pass work to each other over MCP and pings a person in Slack when stuck.

Since 2026

Free plan · Developer tools · Developers

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Add a widget to a staging site so reviewers can pin comments on any element, then turn them into tickets or fixes.

Since 2026

Developer tools · Agencies

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An API that adds login, SSO and fine-grained permissions to the software you build.

Security and passwords · Developers

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Translate React, Next.js, Expo and Python apps at runtime with AI, with no translation files and no redeploys.

Free plan · Developer tools · Developers

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A white-label photo editor that software teams embed in their app or site, with a REST API for batch edits.

Free plan · Design and images · Developers

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Live chat for your website with chatbots, voice and video calls, and screen sharing, on your own server or hosted.

Free · Customer support

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Drop-in React widgets that collect bug reports with screenshots and recordings, ratings and referral links from app users.

Since 2025

Free plan · Customer support · Developers

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Form endpoint that forwards website submissions to email, Slack or Telegram, so site owners need no backend code.

Free plan · Forms and surveys · Developers

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A hosted form backend for React and Next.js sites that sends each form submission to your inbox with no server code.

Since 2024

Free plan · Forms and surveys · Developers

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Calls your URLs and scripts on a schedule, down to every minute, and alerts you when a run fails.

Free · Uptime and monitoring · Developers

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Plan and schedule posts to many social networks from one calendar, by hand or through an AI assistant over MCP.

Since 2026

Subscription · Marketing and social · Agencies