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Compare pricing, limits, and alternatives. A curated English directory — not another 10,000-tool dump.

Coolify
Self-host PaaS
Best for Code / Agents · Open-source / Self-host
- Open source
- Freemium
- Code
- Self-host

Knock
Notification desk
Best for Code / Agents
- Freemium
- Code

ToolJet
Internal-app builder
Best for Code / Agents · Open-source / Self-host
- Open source
- Freemium
- Code
- Self-host

Unleash
OSS feature flags
Best for Code / Agents · Open-source / Self-host
- Open source
- Freemium
- Code
- Self-host

Appwrite
OSS BaaS
Best for Code / Agents · Open-source / Self-host
- Open source
- Freemium
- Code
- Self-host

Baserow
OSS Airtable-like grid
Best for Productivity · Open-source / Self-host
- Open source
- Freemium
- Code
- Self-host

Loops
SaaS email desk
Best for Marketing · Code / Agents
- Freemium
- Code

Dokploy
Self-host PaaS
Best for Code / Agents · Open-source / Self-host
- Open source
- Freemium
- Code
- Self-host

Prefect
Python workflow desk
Best for Code / Agents · Open-source / Self-host
- Open source
- Freemium
- Code
- Self-host

OpenObserve
OSS observability
Best for Code / Agents · Open-source / Self-host
- Open source
- Freemium
- Code
- Self-host

authentik
Self-host IdP
Best for Code / Agents · Open-source / Self-host
- Open source
- Freemium
- Code
- Self-host

Cerbos
OSS authorization PDP
Best for Code / Agents · Open-source / Self-host
- Open source
- Freemium
- Code
- Self-host