OpenAlternative
Browse
Alternatives
Categories
Tech Stacks
Self-hosted
Advertise
Submit
Sign In
Latest tools
Self-hosted
Coming Soon
Alternatives
Categories
Tech Stacks
Tags
Submit
About Us
Advertise
Ad
Learn more
/
Categories
/
API Documentation Generators
/
Using OpenAPI
Open Source API Documentation Generators using OpenAPI
A curated collection of the best open source tools for automatically generating documentation for APIs. using OpenAPI.
Stars
Forks
Last commit
Stars
Forks
Last commit
Stars
Forks
Last commit
Stars
Forks
Last commit
Stars
Forks
Last commit
Stars
Forks
Last commit
Ad
Sent
– A unified API for sending messages across SMS, RCS, and apps like WhatsApp.
Learn More
Popular Proprietary Software:
Spotify Alternatives
2
Claude Code Alternatives
15
Lovable Alternatives
5
Notion Alternatives
19
n8n Alternatives
6
Wispr Flow Alternatives
6
CapCut Alternatives
5
Discord Alternatives
10
Cursor Alternatives
14
Power BI Alternatives
10
Microsoft 365 Alternatives
6
Microsoft Word Alternatives
5
Popular Categories:
Low-Code/No-Code Platforms
37
AI Agent Platforms
22
Project Management Suites
22
PaaS & Deployment Tools
18
AI Personal Assistants
19
Web Analytics
17
Infrastructure Monitoring Tools
16
Note-Taking Tools
16
AI Chat Interfaces
14
Team Chat & Messaging Tools
14
Backend-as-a-Service (BaaS) Tools
16
Workflow Automation Tools
16
Order by
▼
Scalar
Open-source API documentation and testing platform
Stars
15,244
Forks
872
Last commit
7 hours ago
Scalar is an open-source tool for building, customizing, and hosting interactive API documentation with OpenAPI support.
Open Source
Alternative to:
Postman
Ad
CodeRabbit
The leading AI Code Review platform. Ship better quality code in 50% less time, with 90% fewer bugs.
Visit CodeRabbit