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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Tracks billable hours for agencies and freelancers, then builds invoices that clients can pay by card.

Since 2011

Free trial · Invoicing and billing · Agencies

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An API for adding license keys, device activation and secure update delivery to desktop and on-premise software.

Since 2016

Developer tools · 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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Build hosted or embedded checkout pages to sell products, subscriptions, tickets and services through your own Stripe account.

Since 2018

Free plan · Payments and checkout · Online sellers

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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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Booking software for tour and activity operators with payments, QR check-in and availability synced to over 70 OTAs.

Free trial · Scheduling and booking · Hotels and hospitality

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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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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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Gathers customer feedback from Slack, email and a widget into one ranked list with voting and a public roadmap for SaaS teams.

Since 2026

Subscription · Customer support · Software companies

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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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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 CI jobs from GitHub and GitLab on hosted machines in the EU, billing only for the CPU and memory each job actually uses.

Free plan · Developer tools · 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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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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Starts GitHub Actions runners on demand in your own cloud account, including GPU, ARM and macOS machines.

Pay as you go · 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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Adds cancel flows with offers and recovers failed card payments for subscription businesses that bill through Stripe.

Payments and checkout · 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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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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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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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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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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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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Point of sale app that takes in-person card and tap payments straight into your Stripe account, using phones or Stripe readers.

Payments and checkout · Trades and home services

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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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Adds a shopping cart and checkout to an existing website, blog or link page so you can sell products without a new store.

Since 2022

Subscription · Payments and checkout · Online sellers

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Test AI agents against large sets of simulated scenarios, trace runs and compare model results before shipping.

Since 2025

Developer tools · Developers

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Collects Playwright test runs from CI so teams can debug failures, spot flaky tests and track suite health.

Since 2026

Subscription · Developer tools · Developers

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Create AI agents from a system prompt, test them with simulated users, then publish a chat app or API without a backend.

Since 2026

Developer tools · 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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Open-source platform for marketplaces to onboard sellers and send them low-fee payouts worldwide using stablecoins.

Since 2026

Pay as you go · Payments and checkout · Online sellers

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Invoicing for freelancers and small firms: branded invoices and quotes, online payment links and automatic reminders.

Free plan · Invoicing and billing

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Alerts you when AI agent runs, cron jobs or CI pipelines fail, stall or never start, with status pages.

Free plan · Uptime and monitoring · 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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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