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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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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AI agents that test your web or mobile app like a user on each pull request and report what broke.

Since 2024

Free plan · Developer tools · Developers

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An SMTP relay and email API for sending transactional and marketing mail from apps, with searchable delivery logs.

Free plan · Transactional email · Developers

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Records visitor sessions on your site and uses AI to point out errors, rage clicks and drop-offs, alongside heatmaps.

Free plan · Website analytics

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SEO agent for founders that reads your Search Console data, plans topic clusters and drafts articles straight into your CMS.

Since 2024

Free plan · SEO

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Test management for QA teams that tracks manual test cases, automated runs and exploratory sessions in one place.

Since 2022

Free trial · Projects and tasks · Developers

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Shows B2B sellers which companies visit their website and what interests them, so sales can follow up early.

Free trial · CRM and sales · Agencies

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Checks comments before they post and tells commenters how to fix rude or off-topic ones, for sites running discussions.

Communities and memberships · Creators and writers

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Deploys web3 app frontends from GitHub to decentralized hosting, with DNS monitoring and protection against frontend attacks.

Free plan · Website builders · Developers

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Lets online sellers accept 200+ local payment methods around the world through one account, API or shop plugin.

Pay as you go · Payments and checkout · Online sellers

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Run surveys in email, websites and apps, then group the answers into themes so product teams can act on customer feedback.

Free plan · Forms and surveys · Software companies

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An API and plugin that flags throwaway email domains at signup so fake accounts never get in.

Free plan · Security and passwords · 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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Self-hosted pastebin where every code snippet is a Git repo, for developers and teams who want their own Gist.

Free · Developer tools · Developers

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Translates software interfaces with AI, syncs translation files through Git and lets teammates review wording.

Since 2024

Free trial · Developer tools · Software companies

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Runs performance benchmarks in your CI and flags slowdowns on each pull request, for software teams.

Since 2023

Free plan · Developer tools · Developers

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Runs coding agents inside your team's own workflows, turning tickets into pull requests you review, on their cloud or yours.

Developer tools · 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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Builds, tests and deploys code on Windows, Linux and macOS machines, hosted or on your own server.

Free plan · Developer tools · Developers

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Gives local dev servers a stable public URL for testing webhooks and OAuth or sharing previews, with flat seat pricing.

Since 2023

Free plan · Developer tools · Developers

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Continuous integration and delivery service that runs builds and tests for software teams, billed by usage.

Pay as you go · 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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Runs coding agents in managed cloud machines for code review, bug fixes and background tasks, set up in YAML.

Since 2024

Developer tools · Developers

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Keeps a team's API keys and environment variables encrypted in one place and syncs them to projects with a CLI and GitHub.

Security and passwords · 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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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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APIs and a WordPress plugin that check IP location and reputation, emails and phone numbers to filter out fake form signups.

Free plan · Security and passwords · Developers

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An online place to translate software strings with your team, AI or hired translators, connected through an API and plugins.

Developer tools · Developers

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A localization platform that keeps product wording consistent across languages using glossaries, translation memory and an AI translator.

Developer tools · Developers

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Tracks test coverage over time for your repos and flags untested code, free for open source projects.

Free plan · Developer tools · Developers

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Runs code benchmarks on dedicated bare metal machines and flags speed regressions in pull requests before merge.

Free plan · Developer tools · Developers

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Checks code written by AI coding agents for security flaws and team standards, in pull requests and inside the editor.

Free plan · Security and passwords · Developers

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A keyboard-driven Mac and Linux app for reviewing GitHub pull requests, with diffs, checks and threads loaded from a local cache.

Developer tools · Developers

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Replaces Git submodules by syncing folders in one repository with other repositories on the server side.

Since 2022

Developer tools · Developers

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Writes pull request descriptions and team change summaries from your code diffs in GitHub and GitLab.

Free plan · Developer tools · Developers

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Feature flags for gradual rollouts that open a pull request to remove each flag from your code once it is done.

Free plan · Developer tools · Developers

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Captures UI screenshots on each build and flags visual changes so dev teams can review them before release.

Since 2024

Free plan · Developer tools · Developers

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Sends app and site emails such as receipts and password resets through EU-only servers, with an API, SMTP and SDKs.

Free plan · Email marketing · Developers

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Platform for AI teams to trace, simulate and evaluate their LLM agents and keep track of model spend.

Uptime and monitoring · Developers

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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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Hosted backend that takes in webhooks from Stripe, Shopify and others, stores them and runs your code with queues, cron and retries.

Since 2024

Free plan · Developer tools · Developers

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Hosted service that adds social network sign-in and single sign-on to websites and apps, with a REST API.

Free plan · Security and passwords · Developers

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Watches WordPress sites for vulnerable plugins and themes and blocks exploits with virtual patches until fixes land.

Free trial · Security and passwords · Agencies

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A code review tool that explains changes made by coding agents as a story, with threaded questions for developer teams.

Since 2026

Developer tools · Developers

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A simple translation tool for app, site and game text, with AI translation, team roles and Git and Figma syncing.

Since 2025

Developer tools · Developers

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Shows where GitHub Actions minutes and money go by repo, workflow and step, and flags slow or failing runs to fix.

Since 2025

Free plan · Uptime and monitoring · Developers

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Writes and publishes SEO articles and gets backlinks and AI chatbot mentions for business websites, on a monthly plan.

Subscription · SEO