No moat. Still in business.

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Build and debug CI pipelines as a node graph instead of YAML, then run them on your own machines or in the cloud.

Since 2024

Free plan · Developer tools · Developers

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Records program execution so developers can replay and step back through bugs in the IDE, CI and code review.

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

Subscription · Developer tools · Software companies

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Task tracker for freelancers and small coding teams with epics, boards, release planning and time tracking on iPhone, Android and Mac.

Free · Projects and tasks · Freelancers

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Runs your app and tries to break each change your coding agent makes, then reports bugs with proof before release.

Developer tools · Developers

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Gives AI coding agents and developers isolated full-stack environments on your own Kubernetes setup to test code against real services.

Since 2025

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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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 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 VS Code extension that has your AI agent write step-by-step tours of a codebase to help new engineers get up to speed.

Since 2025

Free plan · Developer tools · Developers

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Checks each tool call from AI coding agents against your rules and blocks or rewrites risky ones before they run.

Subscription · Security and passwords · 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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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 control panel for your own server that deploys apps from Git, runs databases and handles SSL and backups.

Developer tools · Agencies

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

Free · Developer tools · Developers

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Shows where and how React components are used across your repos, so design system teams can track adoption.

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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Generates editable architecture, ER and cloud diagrams from a description, SQL, Prisma, Terraform or a code repo.

Since 2025

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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Team members record their knowledge once and an MCP server passes it to ChatGPT, Copilot, Cursor and Claude Code as shared context.

Subscription · 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.

Free plan · Developer tools · Developers

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Generates a typed Laravel and Vue monorepo with auth, Docker and CI from a schema you define, for developers starting a SaaS.

Free plan · Developer tools · Developers

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An AI agent for on-call engineers that triages alerts, finds the root cause and proposes code fixes with reproduction tests.

Since 2026

Uptime and monitoring · 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.

Uptime and monitoring · Developers

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Checks code written by AI coding agents for security flaws and team standards, in pull requests and inside the editor.

Free plan · Security and passwords · Developers

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Shows engineers the cloud cost of Terraform and other infrastructure code changes in their editor or coding agent.

Since 2026

Free plan · 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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Checks code written by AI assistants for security holes and risk before it ships, across editors, repos and CI.

Free plan · Security and passwords · Developers

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

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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Hosts apps from a GitHub repo on European servers, with attack filtering, logs and metrics for a fixed monthly fee.

Free plan · 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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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 S3-compatible storage server you run yourself, with a web dashboard, replication and encryption built in.

Free · Developer tools · Developers

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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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Your coding agent records narrated walkthrough videos of your app for help centres and docs, with editable voices and languages.

Video and audio · 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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Lets security teams control which AI agents act, what models see and which tools they call, with a full audit trail.

Free plan · Security and passwords · Software companies

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Captures full stack session data from production and passes it to coding agents like Claude Code so they can fix bugs.

Since 2025

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

Free plan · Uptime and monitoring · Developers

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Lets a team's AI coding agents pass work to each other over MCP and pings a person in Slack when stuck.

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.

Free plan · Developer tools · Developers

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Runs coding agents on your own machine with your model keys, re-running tests before each pull request and keeping lessons.

Free plan · Developer tools · Developers

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API with point-in-time US company financials, earnings and ETF holdings from SEC filings, for backtests and investing apps.

Free plan · Data and spreadsheets · Developers

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Hosted Firecracker sandboxes for coding agents that pause with their memory kept and bill by the minute.

Subscription · Developer tools · Developers