dropincc.java
ANTLR
textX
parboiled
Ragel
Eclipse Xtext
Owl parser generator
FLEX
Request inspector
Webhook.site
CurlHub.io
Beeceptor
MockServer
HttpMaster
API Fortress
Hoppscotch
ANTLR - ANTLR, ANother Tool for Language Recognition, is a language tool that provides a framework for...
Webhook.site - Instantly generate a free, unique URL and email address to test, inspect, and automate (with a visual workflow editor and scripts) incoming HTTP requests and emails.
textX - textX is a meta-language for building Domain-Specific Languages (DSLs) in Python. It is inspired by Xtext. It will help you build your textual language easily. You can invent your own language or build a support for an existing textual language.
CurlHub.io - API Traffic Inspector
parboiled - Elegant PEG parsing in Java - lightweight, easy-to-use, powerful.
Beeceptor - Unblock yourself from API dependencies, and build & integrate with APIs fast. Beeceptor helps you build a mock Rest API in a few seconds.