No moat. Still in business.

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A server you run yourself that resizes and converts images on the fly from URL options, for web teams.

Since 2019

Free · Developer tools · Developers

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Shows live sales, sign-ups, reviews and visitor counts as small notifications on your site to build buyer trust.

Subscription · Marketing and social · Online sellers

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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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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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Billing software for hosting firms that sells domains, hosting and SSL, sets up services and sends the invoices.

Subscription · Invoicing and billing · Software companies

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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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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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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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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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Builds timesheets and delivery metrics from Git commits and AI agent runs, for software teams.

Since 2026

Free plan · Time tracking · Developers

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An AI support chat that answers customers from your own docs and shows founders what users ask about.

Since 2026

Free plan · Customer support · Online sellers

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Cloud storage, conversion and CDN delivery for images and videos, run from a dashboard, API or WordPress plugin.

Subscription · Video and audio · Creators and writers

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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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Sorts, filters and archives your GitHub notifications so developers can keep track of issues and pull requests outside email.

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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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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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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Runs several AI reviewers on each GitHub pull request, drops noisy findings and posts a single review.

Free plan · Developer tools · Developers

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Runs Claude Code and OpenCode sessions side by side in cloud sandboxes, started from Slack, Linear, GitHub or a phone.

Since 2026

Free plan · Developer tools · Developers

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Records program execution so developers can replay and step back through bugs in the IDE, CI and code review.

Since 2025

Free plan · Developer tools · Developers

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Stores the reasoning from AI coding chats with each git commit and posts it to pull requests for team review.

Since 2026

Free plan · Developer tools · Developers

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Researches keywords your customers search for, then writes and publishes articles on them to your site each day.

Subscription · SEO

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Creates and publishes pages tuned for clicks from Google and ChatGPT search, for teams without an SEO staff.

Since 2026

Subscription · SEO · Online sellers

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Researches keywords, writes blog posts and publishes them to your site, then updates them using Search Console data.

Since 2026

Free plan · Marketing and social · Online sellers

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Reviews each pull request for risk and security issues, checks releases and turns production errors into fix PRs.

Since 2026

Subscription · Security and passwords · Developers

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Receives webhooks from providers like Stripe, then verifies, stores and forwards them to your services with retries.

Free plan · Developer tools · Developers

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Gives each pull request a throwaway copy of production with masked data so teams and agents can test migrations and load first.

Since 2026

Developer tools · Developers

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A GitHub app that checks Dependabot updates against your code, fixes what breaks and merges the pull requests for engineering teams.

Since 2026

Free plan · Developer tools · Developers

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AI reviewer that checks pull requests against your whole codebase and team rules, and scans repos for bugs.

Since 2026

Subscription · Developer tools · Developers

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Compares UI screenshots from your CI on each GitHub pull request so a reviewer can approve or reject every visual change.

Free plan · Developer tools · Developers

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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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Cloud coding agents take a task, change code across repos, fix failing CI and hand back a pull request with a live preview.

Since 2026

Free plan · Developer tools · Developers

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Screenshots UI changes in pull requests and uses an AI judge to separate intended changes from regressions.

Free plan · Developer tools · Developers

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Maps the structure, dependencies and complexity of a codebase so developers can understand inherited or AI-written code.

Since 2026

Free plan · Developer tools · Developers

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Logs every LLM call with cost, latency and agent traces once you change one base URL; hosted or self-hosted.

Free plan · Uptime and monitoring · Developers

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Reads your GitHub commits and drafts build in public posts for X, LinkedIn, Reddit and Hacker News.

Since 2026

Free plan · Marketing and social · Creators and writers

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A GitHub App that alerts teams to risky events in their organisation, such as new admins, force pushes or leaked secrets.

Since 2026

Subscription · Security and passwords · Developers

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Gives you one fixed webhook URL that forwards Stripe and Paddle events to whichever branch deployment you are testing.

Since 2026

Free plan · Developer tools · Developers

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Describe or sketch a cloud setup and get a diagram, Terraform or Bicep code, a security grade and cost estimates.

Since 2026

Free plan · Developer tools · Developers

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Scans the GitHub code of apps made with AI coding tools for leaked secrets and weak database rules, then gives fix prompts.

Since 2026

Free plan · Security and passwords · Developers

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A hosted portal that joins your MCP servers into one endpoint with OAuth, so AI agents load far fewer tool definitions.

Since 2026

Free plan · Developer tools · Developers

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Watches your AI agent's real traffic, finds where it fails customers and opens tested pull requests with fixes.

Since 2026

Subscription · Uptime and monitoring · Developers

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Hosted Firecracker sandboxes for coding agents that pause with their memory kept and bill by the minute.

Since 2026

Subscription · 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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Hosts agents, small APIs and internal tools with sandboxes, secrets, environments and many app connections, run from your editor.

Since 2026

Free plan · Developer tools · Developers

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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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A feature request board and public roadmap you embed with one script, where users vote without needing an account.

Free plan · Customer support · Developers

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Keeps documentation in GitHub repos in step with the code and shares that context with teammates and AI coding agents.

Since 2026

Free plan · Developer tools · Developers