HttpMaster - HttpMaster is a professional software tool for testing and debugging HTTP applications, primarily aimed at REST API applications and web services.
TestRail - TestRail provides comprehensive test case management for software testing. Organize your testing, boost productivity, get real-time insights, and track progress toward milestones. Integrates with leading issue tracking and test automation tools.
Hoppscotch - Open source API development ecosystem
LambdaTest - Perform Web Testing on 2000+ Browsers & OS
Request inspector - Debug web hooks, http clients
PractiTest - PractiTest is a cloud based Innovative test management tool.