RESTer Alternatives [Page 3]

Deviare is a professional open source hooking engine for instrumenting arbitrary Win32 functions, COM objects, and functions which symbols are located in program databases (PDBs).

Open Source

Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.

Open Source $49.0 / Annually

B2B SaaS: Make your app enterprise-ready! Authentication - SAML/OIDC SSO, Directory Sync (SCIM 2.0), Audit Logs, Data Privacy Vault, and more!

Try for free Open Source free $49.0 / Monthly (Per connection)

Detours is a software package for re-routing Win32 APIs underneath applications.

mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.

Open Source

Slow, difficult and unreliable testing for anything that runs in a browser. Install Cypress in seconds and take the pain out of front-end testing.

Open Source

HTTP proxy / HTTP monitor / Reverse Proxy

Rest API client for VS Code, lightweight Postman alternative

Mock your HTTP responses to test your REST API

Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.

Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.

Intelligent Contract Automation

Try for free paid Free Trial $9.0 / Monthly (1 user, 1 workspace, 1 template)

Developers all around the world rely on HTTPie for API testing.

Capable and Ergonomic IDE for JVM