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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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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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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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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Headless CMS that stores structured content once and serves it to sites and apps through REST and GraphQL.

Free plan · Website builders · Agencies

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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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Puts revenue, signups and other numbers from Stripe, your database or any API on one dashboard, aimed at indie developers.

Since 2026

Free plan · Data and spreadsheets · Developers

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Stores, resizes, converts and serves images and video from your own bucket, as a Cloudinary replacement.

Free plan · Design and images · 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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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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Managed and serverless databases across 19 engines such as Postgres, MySQL and Redis, with data branching and flat monthly prices.

Free plan · Developer tools · Developers

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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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Hosted Postgres that clones databases in seconds so each developer, CI run or agent gets its own copy, and idles at zero.

Since 2022

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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Makes isolated copies of a production Postgres database in seconds so coding agents can test changes safely.

Since 2024

Developer tools · Developers

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Keeps a local SQLite copy on each client in sync with your Postgres, MongoDB, MySQL or SQL Server backend for offline-first apps.

Since 2023

Free plan · Developer tools · Developers

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A browser database editor you deploy next to your databases so a team can query Postgres, MySQL, MongoDB and more.

Free · Developer tools · Developers

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Runs and manages databases on Kubernetes, covering provisioning, scaling, backups and upgrades for platform teams.

Developer tools · Developers

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Entity relationship diagram tool for exploring, documenting and linting large database schemas, made for developers and data teams.

Free plan · 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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Keeps the results of chosen SQL queries updated incrementally as your Postgres, MySQL or SQL Server data changes.

Since 2024

Free trial · 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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Shared SQL editor for data teams that stores common queries and sends scheduled results to Google Sheets or Slack.

Since 2026

Free trial · Developer tools · Developers

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Alerts you when a cron job, worker or container stops checking in, and attaches its last log lines to the alert.

Since 2026

Free plan · Uptime and monitoring · Developers

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Streams database changes into your data warehouse in under a minute without running Kafka yourself.

Since 2026

Developer tools · Developers

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Runs versioned SQL and Python database migrations with dry runs, history checks and rollbacks, for Python teams.

Since 2026

Free plan · Developer tools · Developers

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Hosting that runs your apps from a git push or an AI agent request, with managed Postgres, Redis, domains and logs.

Since 2026

Free trial · Developer tools · Developers

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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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Cloud hosting that lets coding agents set up services, databases and storage, run previews and deploy to production.

Since 2025

Pay as you go · Developer tools · Developers

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Runs scheduled SQL checks on Postgres and ClickHouse and alerts your team when data goes missing, stale or wrong.

Since 2025

Free plan · Uptime and monitoring · 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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Free tool to explore and query databases, S3 and files, then copy or continuously sync data, running on your own server or in Docker.

Since 2026

Free plan · Developer tools · Developers

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Translates the text in your app, docs and website into many languages, with a CLI, API and review tools.

Since 2025

Developer tools · Developers

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Encrypts Postgres fields so data stays searchable but can only be decrypted under per-user identity policies.

Since 2025

Security and passwords · Developers

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Feature flags and remote settings service you host yourself, letting teams change app behaviour without shipping an update.

Free · Developer tools · Developers

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Builds a managed Kubernetes setup inside a cloud account you own, where dev teams run apps, databases, monitoring and agents.

Since 2025

Developer tools · Developers

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A self-hosted wiki for engineering teams where pages embed live Prometheus and SQL charts and edits are reviewed like pull requests.

Since 2026

Free · 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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Runs fast-booting microVM sandboxes, throwaway Postgres databases and app deploys for teams building AI agents.

Free plan · Developer tools · Developers

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Watches Elasticsearch, OpenSearch, ClickHouse and Postgres clusters and suggests tuning and fixes, with engineers on hand.

Since 2025

Free plan · Uptime and monitoring · 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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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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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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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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A small platform you install on your own server to deploy apps with git push, with databases and storage included.

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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Maps which repos rely on shared base images, Terraform modules and Helm charts, so you can see what a change will break.

Since 2026

Free plan · Developer tools · Developers

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A desktop app to connect to 30+ databases, write or generate queries with your own AI keys, edit data and build dashboards.

Since 2026

Free trial · Developer tools · Developers