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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Shrinks JPG, PNG, WebP and other images through a web tool, API or CMS plugins so websites load faster.

Since 2013

Free plan · Design and images · Agencies

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Builds architecture diagrams and system maps from prompts, code, cloud setups or docs, aimed at engineering teams.

Since 2021

Free plan · Design and images · Developers

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Deploys Docker Compose apps from GitHub to your own Linux servers on each push, with domains, logs and backups.

Developer tools · Developers

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An API and widgets for horoscopes, birth charts, numerology and tarot, for astrology apps and websites.

Subscription · Developer tools · Creators and writers

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Outbound SMTP relay for servers and sites that filters spam and malware and handles sender reputation, billed per email.

Subscription · Transactional email · 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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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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Blocks scrapers, spam bots and fake signups before they reach your site, by plugin, API or a DNS change.

Free plan · Security and passwords · Online sellers

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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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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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Secrets manager that lets dev teams and AI agents store, sync and deploy app keys and env variables across environments.

Security and passwords · 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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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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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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Sends messages from your scripts, servers or webhooks straight to the Pocket Alert app on your iPhone or Android phone.

Since 2024

Free plan · Uptime and monitoring · Developers

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A free API and WordPress plugin that flag known security holes in your core, plugins and themes.

Free · Security and passwords · Agencies

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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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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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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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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 web translation editor for software teams that syncs app strings, auto-translates and hosts translation files on a CDN.

Free trial · 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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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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A WordPress plugin that takes daily screenshots of chosen pages and flags visual changes after core or plugin updates.

Free plan · Uptime and monitoring · Agencies

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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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Blocks spam sign-ups, comments and form submissions on websites without a CAPTCHA, through plugins or an API.

Security and passwords

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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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CAPTCHA that blocks bot sign-ups and form spam without cookies or tracking, available as a WordPress plugin, self-hosted or managed.

Free plan · Security and passwords

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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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One OpenAI-compatible API key to call 120 AI models, with a per-request cost receipt, for developers.

Since 2026

Free plan · Developer tools · Developers

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An API that scans documents for text hidden from readers but visible to AI models, and returns findings and clean text.

Since 2026

Free plan · Security and passwords · Developers

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An API that checks signup emails for throwaway, relay and spam domains so software companies can block fake accounts.

Free plan · Security and passwords · Developers

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Puts apps built with AI coding agents online with a sign-in, database and backups, so teams can share and use them.

Since 2026

Free plan · Developer tools · 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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Reviews each GitHub pull request with AI and can open fix PRs for what it finds, priced without seat fees.

Free plan · Developer tools · Developers

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Upload a SQL, Prisma or similar model file and get an interactive database diagram you can share by link.

Since 2026

Developer tools · Developers

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Lets agents model the cost, latency, error rates and resilience of infrastructure changes on AWS, GCP, Azure and others before deploying.

Since 2026

Developer tools · Developers

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Reviews each pull request with AI using an index of your codebase and posts findings ranked by severity.

Since 2026

Free plan · Developer tools · Developers

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Git hosting and code review with stacked pull requests, usable alone or kept in sync with GitHub.

Since 2026

Developer tools · Developers

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Blocks brute force logins and spam on WordPress sites using attacker IPs reported by other sites in the network.

Free · Security and passwords · Agencies

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An OpenAI-compatible API serving a Qwen coding model for a fixed monthly fee instead of paying per token.

Since 2026

Subscription · Developer tools · Developers

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Hosting that deploys apps from a git push or a coding agent, with databases, domains, logs and per-minute billing.

Since 2026

Pay as you go · Developer tools · Agencies

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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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Preview and debug ZPL thermal printer labels in the browser, make barcodes and render labels through an API.

Free plan · Inventory and stock · Shops and retail

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Runs API, interface and security checks on each pull request and reports genuine failures, so engineering teams catch bugs before merge.

Since 2025

Developer tools · Developers

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Independent hosted git service with merge requests, CI runners, a container registry and AI code review for dev teams.

Since 2026

Free plan · Developer tools · Developers

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One API key that lets an AI agent call GitHub, YouTube, Hacker News, finance data and more without setting up each service.

Since 2026

Free plan · Developer tools · Developers