ReadMe vs Zudoku

ReadMe8.5Visit Zudoku8.1Visit

Higher score ReadMe #6 in API Documentation Tools 8.5/10 Free plan · 14-day trial Free planFree trial✓ 1 of 5 features Visit ReadMe

vs

Zudoku #8 in API Documentation Tools 8.1/10 Free plan Free plan✓ 4 of 5 features Visit Zudoku

• ReadMe fits best

  Large teams building full developer portals

• Zudoku fits best

  Open-source teams needing versioned API sites

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Side by side

Feature	ReadMe 8.5/10 Visit ↗	Zudoku 8.1/10 Visit ↗
At a glance
Editor score	8.5	8.1
Ranking	#6 in API Documentation Tools	#8 in API Documentation Tools
Best for	Large teams building full developer portals	Open-source teams needing versioned API sites
Pricing model	Free plan + paid	Free
Starting price	$250/mo	Free plan
Free plan	✓	✓
Free trial	14 days	—
Deployment	Cloud	Self-hosted
Platforms	Web	Web
Support	Email, Live chat, Community, Docs	Community, Docs
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features ReadMe 1/5 · Zudoku 4/5
OpenAPI import	Not checked yet	✓ (best)
Interactive API reference	Not checked yet	✓ (best)
Code samples	Not checked yet	✓ (best)
API versioning	Not checked yet	✓ (best)
Custom domain	✓ (best)	Not checked yet
Specs
Hosting model	Not checked yet	Self_hosted
Our review
Pros	Interactive API references generated from OpenAPI specifications Versioning, branches, reviews, and reusable content blocks GitHub and GitLab synchronization with analytics and integrations	Generates references from OpenAPI v2 and v3 JSON or YAML Supports multiple API versions and interactive request testing Adds MDX pages, authentication integrations, themes, and plugins
Cons	Pro costs $250/month when billed annually Enterprise pricing requires contacting sales The broad feature set may exceed smaller documentation needs	Requires CLI-based project management and a build step Deployment involves uploading generated static files Customization may require configuration, MDX, or plugin work
Our verdict	ReadMe is a hosted documentation and developer-hub platform for API companies and technical teams. It combines Markdown and MDX authoring with interactive API references generated from OpenAPI specifications, documentation versioning,… Read the review →	Zudoku is an open-source framework for API documentation, developer portals, and internal documentation sites. It is aimed at teams that want to generate API references from OpenAPI JSON or YAML files while adding narrative documentation… Read the review →

Strengths and trade-offs

• ReadMe — where it wins

  • Interactive API references generated from OpenAPI specifications
  • Versioning, branches, reviews, and reusable content blocks
  • GitHub and GitLab synchronization with analytics and integrations

  Where it doesn't

  • Pro costs $250/month when billed annually
  • Enterprise pricing requires contacting sales
  • The broad feature set may exceed smaller documentation needs

• Zudoku — where it wins

  • Generates references from OpenAPI v2 and v3 JSON or YAML
  • Supports multiple API versions and interactive request testing
  • Adds MDX pages, authentication integrations, themes, and plugins

  Where it doesn't

  • Requires CLI-based project management and a build step
  • Deployment involves uploading generated static files
  • Customization may require configuration, MDX, or plugin work

• ReadMe8.5/10 · Free plan · 14-day trial

  A full developer-portal platform with strong API documentation and collaboration tools.

  Visit ReadMeFull verdict →
• Zudoku8.1/10 · Free plan

  A free, open-source option for versioned, interactive OpenAPI documentation sites.

  Visit ZudokuFull verdict →