10 best Radarr alternatives

App Quality Copilot

Maestro is an open-source end-to-end UI testing stack for mobile and web, with free local CLI and Studio tools plus Maestro Cloud to run parallel tests on hosted devices.

• From $250/mo
• Free plan
• API available

Best for: Mobile and web teams who want YAML-readable UI tests and optional cloud parallel runs.

Knime

KNIME provides a free open-source Analytics Platform for visual data science workflows spanning ETL, analytics, machine learning, and generative AI. Paid Hub plans add collaboration, automation, secrets management, and enterprise governance on top of the desktop builder.

• From $19/mo
• Free plan
• API unknown

Best for: Data teams and analysts who want drag-and-drop pipelines with optional paid automation and team governance in KNIME Hub.

Baserow

Baserow is an open-source no-code database and application builder for grids, forms, automations, dashboards, and self-hosted deployments. Cloud pricing offers a free workspace tier and paid Premium seats with higher row limits, storage, and automation credits, or you can self-host the open-source edition.

• From $12/mo
• Free plan
• API available

Best for: Operations teams, product managers, and developers who want Airtable-like databases with optional self-hosting and API access.

IntegraBot

IntegraBot automates WhatsApp customer service with Meta-approved AI agents. Businesses configure flows and skills so the agent handles routine conversations on official WhatsApp and escalates to humans when needed, with workspace limits tied to each subscription tier.

• From $19/mo
• Free trial
• API available

Best for: Teams that run support or sales on WhatsApp and want an AI agent on Meta’s official channel with flow automation.

PlayCanvas

PlayCanvas is an open-source WebGL and WebGPU engine and collaborative editor for games, 3D configurators, AR/VR experiences, and playable ads. Teams can work in the browser editor, use the npm engine package, or build with React and Web Components while hosting apps on PlayCanvas or self-hosting.

• From $15/mo
• Free plan
• API available

Ampt

The site emphasizes rapid full-stack workflows, built-in CI/CD, preview environments, and pay-as-you-go tiers for solo developers through enterprise self-hosting.

• From $7/mo
• Free plan
• API unknown

Best for: JavaScript developers and teams who want managed AWS deployments without hand-rolling infrastructure and CI/CD pipelines.

BugPin

BugPin is a self-hosted, open-source visual bug reporting widget for web applications. End users capture and annotate screenshots while the tool attaches console errors, network logs, and browser metadata, with SQLite storage and Docker deployment for privacy-first teams.

• From $10/mo
• Free plan
• API available

Sourcehut

Sourcehut is an open-source software forge combining git and Mercurial hosting, mailing lists, code review, CI builds, tickets, wikis, and IRC chat under sr.ht.

• From $4/mo
• Free to start
• API available

Best for: Open-source maintainers and small teams who want mailing-list-driven development with integrated CI instead of ad-supported forges.

Cloud 66

Cloud 66 is a DevOps platform for building, deploying, and scaling applications on any cloud or your own servers without vendor lock-in. It bundles deployment pipelines, monitoring, security, and scaling tools for stacks ranging from a single server to large fleets.

• From $29/mo
• Free plan
• API unknown

Best for: Development teams who want Heroku-style workflows on their own cloud accounts or bare metal.