No moat. Still in business.

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Runs automated tests against your APIs and websites after each deploy and on a schedule, with alerts on failure.

Since 2016

Uptime and monitoring · Developers

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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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A service that finds and quarantines flaky tests, skips unneeded CI jobs and runs a merge queue for software teams on GitHub.

Since 2021

Developer tools · Developers

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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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One API and dashboard for sending product notifications by email, SMS, push, Slack and in-app inbox.

Since 2022

Subscription · Transactional email · Developers

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Records user sessions and catches front end errors in web and mobile apps so product and dev teams can fix bugs faster.

Since 2022

Free trial · Website analytics · Developers

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Leave comments and bug reports right on websites, mobile apps, PDFs and images, then route them to your task tools.

Design and images · Agencies

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Plan and track team projects alongside a shared wiki, with AI helpers, on their cloud or your own servers.

Free plan · Projects and tasks

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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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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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Lets teams building AI agents store user cards or issue cards so their agents can pay for things online.

Since 2026

Payments and checkout · Developers

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Finds out which companies visit a B2B website, shows them tailored content and passes warm leads to sales in Slack.

Since 2025

Free plan · CRM and sales · Software companies

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Sends engineering teams a daily summary of AWS and Azure spending changes by Slack, Teams or email.

Since 2018

Subscription · Uptime and monitoring · Developers

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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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Watches your sites, certificates, DNS records and scheduled tasks around the clock and tells your team as soon as something fails.

Since 2024Updated 4 months ago

Subscription · Uptime and monitoring · Developers

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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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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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Keeps pull request discussions in sync across GitHub, Slack and VS Code so dev teams and AI agents review code faster.

Free plan · Developer tools · 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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Posts a Slack alert when Apple or Google approves or rejects your app, or a TestFlight build is ready.

Since 2023

Subscription · Uptime and monitoring · Developers

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Saves every prompt, session and tool call from your coding agents in one place so teams can search and share them.

Developer tools · Developers

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Logs errors from .NET and JavaScript apps, checks site uptime and scheduled jobs, and notifies your team in chat or email.

Free trial · Uptime and monitoring · Developers

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Pull request stats, DORA dashboards, daily summaries and custom alerts built from a team's GitHub activity.

Subscription · Developer tools · Developers

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AI agent that writes code inside VS Code, JetBrains, the terminal or browser, open source, with hundreds of models at no markup.

Free plan · Developer tools · Developers

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Adds AI translations to your app's language files on each pull request, so the team can review and edit them before merge.

Free trial · 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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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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A snippet library for developers and teams to save, label and share code, with plugins for editors, browsers and Slack.

Developer tools · Developers

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Hosted service that receives, logs and retries webhooks, with a CLI for local testing and a typed SDK.

Since 2024

Developer tools · Developers

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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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Watches Linux and Windows servers and website uptime from many locations, finds running services itself and sends alerts.

Free plan · Uptime and monitoring · Developers

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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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A GitHub app that runs AI agents in GitHub Actions to review pull requests, triage issues and fix failing CI.

Free plan · Developer tools · Developers

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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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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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Self-hosted scheduler that runs, chains and logs scripts, SQL and Ansible jobs across many servers for sysadmins and MSPs.

Free plan · Developer tools · Developers

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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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Gives each AI coding agent its own cloud Linux machine, started from Slack, Linear or an API and managed from any device.

Since 2026

Free plan · Developer tools · Developers

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Shared SQL editor for data teams that stores common queries and sends scheduled results to Google Sheets or Slack.

Since 2026

Free trial · Developer tools · Developers

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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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An AI on-call helper that looks through logs, metrics and code to find why production broke and suggest fixes.

Since 2026

Free plan · Uptime and monitoring · Developers

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Runs a team of coding agents like Claude Code and Codex in separate cloud sandboxes that you can manage together

Since 2025

Developer tools · Developers

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Runs AI coding agents locally or in the cloud to review pull requests, fix issues and automate routine engineering work.

Subscription · Developer tools · Developers

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Feature flags and A/B tests that read results from your own data warehouse, for software product teams.

Free plan · Website analytics · Software companies

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A self-hostable agent that watches Postgres and MySQL databases, suggests indexes and fixes slow queries, and builds BI dashboards.

Since 2026

Free plan · Developer tools · Developers

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Self-hosted tool that uses AI to look into each Kubernetes alert and sends a root cause report to Slack.

Since 2026

Uptime and monitoring · Developers