Best POSThere by Path Alternatives & Competitors in 2025

A simple, beautiful Webhook debugging tool.

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

Open Source $49.0 / Annually

Monitor all your cloud services with our status page aggregator. IT teams choose IsDown to monitor all their vendors and get alerts whenever an outage occurs. Integration with Datadog, PagerDuty, Slack, Microsoft Teams, and a lot more.

Try for free paid Free Trial $37.0 / Monthly (Pro)

HTTP request and response service

Open Source

Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.

Open Source freemium €7.0 / Monthly (for a Pro subscription)

Debugging regular expressions visually

How quickly can you debug an error in a distributed system?

RegExr.com is an online tool to learn, build, and test Regular Expressions.

Open Source

View and respond to requests on an HTTP endpoint

A Powerful API Mocking and Testing Tool

Open Source freemium

The award-winning Expresso editor is equally suitable as a teaching tool for the beginning user of regular expressions or as a full-featured development environment for the experienced programmer with an extensive knowledge of regular expressions.

RegexBuddy is your perfect companion for working with regular expressions.

✍️ Write your tests in minutes, even if you don't code🗓️ Schedule your automated tests to run whenever you need🗨️ Get notified whenever a test is failing, by email or webhook🔎 Catch defects instantly with detailed test reports, and share them easily

A ruby based regular expression editor