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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Free open source desktop tool that plots millions of table rows visually so analysts can spot outliers and odd patterns.

Since 2024

Free · Data and spreadsheets

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A free knowledge base you run on your own server to publish help articles sorted into nested categories.

Free · Customer support

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Self-hosted web app for running internet radio stations, covering media uploads, playlists, relays and listener stats.

Free · Video and audio · Creators and writers

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Website traffic stats you host yourself as one binary, with no cookies and no stored IP addresses.

Free · Website analytics

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Self-hosted identity provider that gives an organisation single sign-on and login flows across its apps, with APIs and templates.

Security and passwords

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A blog CMS that publishes on a subdomain, your own domain or a subfolder, or feeds your site via API.

Website builders · Creators and writers

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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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A status page and endpoint monitor you install on your own server, with incident updates by email and Slack.

Free · Uptime and monitoring · Developers

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Dashboard for email sent through Amazon SES showing bounces, deliveries, complaints, opens and clicks, run yourself or hosted.

Free · Transactional email · Developers

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Cloud service for deploying, updating and monitoring fleets of Linux IoT devices using containers.

Since 2020

Free plan · Developer tools · Developers

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Runs scheduled and batch container jobs on any cloud or your own servers, with an API, logs and cost controls.

Free plan · Developer tools · Developers

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A hosted container image registry built on Harbor for teams that need to store, secure and share images.

Free trial · Developer tools · Developers

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Interactive code notebooks for Elixir teams to document work, explore data, and turn notebooks into small apps.

Free · Developer tools · Developers

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Free CI/CD engine you host yourself that runs pipeline steps in Docker containers and can be extended with plugins.

Free · Developer tools · Developers

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WebSocket server for app developers that keeps realtime messages ordered and recovers them after dropped connections.

Free · Developer tools · Developers

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Visual Studio add-on that lets phones and other devices reach an IIS Express dev server, locally or through an internet tunnel.

Free plan · Developer tools · Developers

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Turns your own Linux servers into a Docker cluster so you can deploy Compose apps to production with one command.

Developer tools · Developers

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A self-hosted panel for running game servers in Docker containers, for friends' groups or hosting companies.

Free · Developer tools · Software companies

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A light Mac app that runs Docker containers, Kubernetes and Linux machines as a Docker Desktop replacement.

Since 2023

Developer tools · Developers

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Push a Docker image and get a public HTTPS link, so developers can share demos, bots and side projects quickly.

Free plan · Developer tools · Developers

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Desktop scratchpad that runs JavaScript as you type, with Node, browser APIs and npm packages, for developers testing ideas.

Since 2024

Free plan · Developer tools · Developers

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Desktop app that keeps all your SSH, container and VM connections in one place, with file browsing and terminal launch.

Since 2024

Developer tools · Developers

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Self-hostable platform for deploying apps and databases across your own servers, with backups and user roles.

Free trial · Developer tools · Developers

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A Docker image you run yourself that solves DataDome and Akamai bot challenges for scraping workers, at a flat fee.

Developer tools · Developers

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A backend for map and location apps: import spatial files into PostGIS and get SQL, realtime and OGC APIs, hosted or self-run.

Since 2025

Developer tools · Developers

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Desktop app that runs several AI coding agents at once, each in its own git worktree, with tools to review their changes.

Since 2026

Free · Developer tools · Developers

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Package registry for teams to store npm, Maven, PyPI, NuGet and Docker packages, used as a hosted service or installed on your servers.

Free plan · Developer tools · Developers

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A self-hosted web workspace for ClickHouse with a SQL editor, dashboards and cluster monitoring, for data teams.

Since 2026

Free plan · Developer tools · Developers

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Mac menu bar app that lists local dev servers, ports and Docker containers so developers can open, restart or stop them.

Since 2026

One-off payment · Developer tools · Developers

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A federated code host with stacked pull request review and CI. You can use the hosted service or run it yourself.

Since 2025

Developer tools · Developers

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Self-hosted gateway that makes private web, TCP and UDP services reachable through outbound WireGuard tunnels you control.

Since 2025

Security and passwords · Developers

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Gives each customer of your software a registry login that can only pull the image versions their license covers.

Since 2026

Subscription · Developer tools · Software companies

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Hosted CI and deploys driven by one bash script, with build output streamed back to your terminal on git push.

Since 2026

Developer tools · Developers

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Uptime checks for sites, APIs, databases and queues you run on your own server, with alerts and public status pages.

Free · Uptime and monitoring · Developers

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Desktop app for developers to inspect, debug and replay Kafka topics, schemas and consumer groups.

Since 2026

Free plan · Developer tools · Developers

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Backs up your servers, Postgres, MySQL and MongoDB databases, Docker volumes and Kubernetes on a schedule into S3 storage you control.

Free plan · Developer tools · Agencies

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A free status page and uptime monitor you run in Docker, with incident updates, maintenance plans and subscriber notices.

Free · Uptime and monitoring · Developers

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Mac app for checking and managing Linux servers: stats, services, Docker, files and cron jobs through a visual interface.

Since 2025

Free plan · Uptime and monitoring · Developers

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A self-hosted gateway that gives teams logged, single sign-on access to SSH, databases, Kubernetes and remote desktops.

Since 2026

Free · Security and passwords · Developers

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A local-first SSH and SFTP client with encrypted sync between devices and sessions you can resume on another machine.

Since 2026

Free plan · Developer tools · Developers

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A Mac app that shows developers what filled their disk, like Docker volumes and simulators, and removes it safely.

Since 2026

Free plan · Developer tools · Developers

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Mounts footage stored on your own NAS as a fast drive on a Mac, so small video teams can edit remotely without per-seat fees.

Free · Video and audio · Creators and writers

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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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Turns one server into your own Heroku-style host, so developers can git push apps and run them in containers.

Developer tools · Developers

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Gives each local dev server or container a stable domain so developers avoid port clashes, with paid tunnels to LAN and the internet.

Since 2026

Free plan · Developer tools · Developers

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Write, test and export MCP tools and AI agents in the browser, with Python and SQL sandboxes and no install.

Free · Developer tools · 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