Progress Telerik Fiddler Alternatives (January 2026)

Progress Telerik Fiddler

Web Debugging Proxy and Troubleshooting Tools|Fiddler

https://www.teleri.com/fiddler/

Explore the Fiddler family of web debugging proxy tools and troubleshooting solutions. Easily debug, mock, capture, and modify web and network traffic.

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1.
Objective Development — Network Monitoring & Productivity Software for macOS
https://www.obde
.at/

Discover powerful applications such as Little Snitch Mini, Little Snitch, LaunchBar and Micro Snitch.

2.
Charles Web Debugging Proxy • HTTP Monitor / HTTP Proxy / HTTPS & SSL Proxy / Reverse Proxy
https://www.charlesprox
.com/

Charles Web Debugging Proxy - Official Site

3.
Load Testing & Website Performance Tools - LoadView
https://www.loadview-testin
.com/

Real browser-based load testing for websites, web apps, and APIs. Generate user traffic from around the world to gain insight into system performance.

4.
Raygun - Application Monitoring For Web & Mobile Apps
https://www.raygu
.com/

Raygun gives you a window into how users are really experiencing your software applications. Detect, diagnose and resolve issues that are affecting end users.

5.
Graphical Network Monitoring and Troubleshooting | PingPlotter
https://www.pingplotte
.com/

Monitor latency, packet loss, and jitter. Plot results on an infinite timeline. Find the source of problems. Share the evidence.

6.
Parasoft Virtualize: Service Virtualization Tool & Solution - Parasoft
https://www.parasof
.com/products/parasoft-virtualize/

Elevate testing efficiency with Parasoft Virtualize. Advanced service virtualization tools for robust simulation and seamless integration.

7.
LoadNinja | Performance Testing and Load Testing Tool
https://loadninj
.com/

The only load testing tool to record, replay, and test in real browsers at scale. Performance testing doesn't have to be the bottleneck. Cut your load testing time in half by running website performance tests in real browsers at scale. LoadNinja is the only load testing tool to record and replay scripts in minutes, leverage real browsers, and deliver actionable website performance data straight from the browser’s DOM.

8.
The All-In-One Automated API Testing Platform | ReadyAPI
https://smartbea
.com/product/ready-api/

The number one platform for Agile and DevOps teams, ReadyAPI powers functional, security, performance, and virtualization of SOAP & REST APIs.

9.
Test Management Tools & Bug Tracking Software - Inflectra
https://www.inflectr
.com/Products/SpiraTest/

Manage your project's requirements, test cases and bugs. SpiraTest test management software is the best on the market