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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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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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 AI assistant that picks up missed calls, filters spam and phones businesses for you to book or wait on hold.

Since 2024

Subscription · Focus and productivity · Individuals and families

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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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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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Publishes static sites by drag and drop or through an AI agent, with custom domains, HTTPS and one-click version restore.

Free plan · Website builders · Individuals and families

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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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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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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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Project tracker with boards, grids, timelines and time logging, priced without per-user fees, hosted or on your own server.

One-off payment · Projects and tasks

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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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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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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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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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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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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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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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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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Watches web pages for you and sends an alert when content, prices or stock levels change.

Subscription · Uptime and monitoring

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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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Hosted service that runs your MCP servers behind a single URL, holds credentials and logs each tool call per client.

Since 2023

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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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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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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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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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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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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Lets security teams check IP addresses against honeypot data and pull attacker feeds into their SIEM or AI assistant.

Since 2026

Free plan · Security and passwords · Developers

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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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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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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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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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Paste Mermaid, PlantUML or draw.io source and get a cleaner laid-out diagram to export as SVG or PNG.

Since 2026

Free plan · Design and images · 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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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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Writes a daily diary entry for you each morning from your calendar, chat, code and social activity.

Since 2026

Free plan · Notes and knowledge · Individuals and families

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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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Hosted service that gives each AI agent its own inbox, phone number, storage and 2FA on domains kept for your project.

Since 2026

Subscription · Developer tools · Developers