OSS Discovery

Global
PRODUCTIVITY
SELF-HOSTABLE
ACTIVELY MAINTAINED
FREEMIUM
Mockoon

MOCKOON

Mockoon is the premier open-source API mocking tool, empowering developers to swiftly create and run mock REST APIs without coding. Unlock boosted productivity with an intuitive interface and robust features. Seamlessly integrate with existing workflows, targeting developers on major operating systems, CI/CD pipelines, and tech stacks.

GITHUB STARS
8.2k
+12% this month
FORKS
460
Active community
LAST PUSH
Apr 24, 2026
High momentum
WATCHERS
63
Tracking updates
LICENSE
MIT
Commercial use
Mockoon is the premier open-source API mocking tool, empowering developers to swiftly create and run mock REST APIs without coding. Unlock boosted productivity with an intuitive interface and robust features. Seamlessly integrate with existing workflows, targeting developers on major operating systems, CI/CD pipelines, and tech stacks.

High Performance

Built for speed and minimal overhead.

Self-hostable

Docker, Kubernetes, or bare metal

Developer Native

Programmable via any language workflow

SUPPORTED LANGUAGES

TypeScript
TypeScript
HTML
HTML
JavaScript
JavaScript
SCSS
SCSS
Dockerfile
Dockerfile
Shell
Shell
Batchfile
Batchfile

VISUAL INTERFACE

Screenshot 1
Screenshot 2
Screenshot 3

The Quick Glance

Status
Active
Category
Productivity
Pricing
Freemium
Self-Hosted
Yes
Available on
Web
Latest Release
v9.6.1
Apr 2, 2026

Relative Standing — across 1,284 tools

STARS8.2k
Top 38% globally
FORKS460
Top 51% in Open Source
ACTIVITYVery High
Top 18% Activity
WATCHERS63
Top 46% Community