Who should use Sonar?

Sonar is a B2B product built for developers, QA engineers, API integrators.

What platforms does Sonar run on?

Sonar runs on the web and Linux.

Is Sonar still maintained?

Unverified. Sonar has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

Sonar is developed by Thiago Fernandes.

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Sonar

Name: Sonar
Author: Thiago Fernandes

FlathubOther dev tools

Sonar is a desktop tool for inspecting and debugging webhooks. It captures incoming requests, allows detailed inspection, supports ngrok integration, request replay, and bookmarking, making it ideal for developers and QA engineers working with webhooks.

FreeWebLinux

Visit Flathub

Overview

7 features

Sonar sits in PulseGate's Other dev tools category. It focuses on debugging and inspecting webhook requests in real-time for development and testing. Sonar is a B2B product aimed at developers, QA engineers, API integrators. Sonar costs nothing to use. It ships for the web and Linux.

It is developed by Thiago Fernandes, and it first shipped in 2023. Key capabilities include webhook inspection, real-time capture, and ngrok integration.

Summary written by a language model from the project’s public pages.

Webhook inspection
Real-time capture
ngrok integration
Header/body inspection
Request replay
Request bookmarking
Request templates

Built with & integrations

Runs on

BrowserLinux

Trust & compliance

Verified signals

HTTPSFree tier

Indexing history

What PulseGate has recorded for this listing

Indexed13 Jun · 19:22 UTC
sonar verified against its public source
Source: PulseGate · Open

Frequently asked questions about Sonar

What is Sonar?: Sonar focuses on debugging and inspecting webhook requests in real-time for development and testing. It is catalogued under Other dev tools on PulseGate.
Who should use Sonar?: Sonar is a B2B product built for developers, QA engineers, API integrators.
Is Sonar free?: Yes — Sonar is free to use.
What platforms does Sonar run on?: Sonar runs on the web and Linux.
Is Sonar still maintained?: Unverified. Sonar has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who develops Sonar?: Sonar is developed by Thiago Fernandes.
How long has Sonar been around?: Sonar first shipped in 2023.

At a glance

Platforms: Desktop
Languages: English
Built for: developers, QA engineers, API integrators
Model: B2B
Solves: Debugging and inspecting webhook requests in real-time for development and testing.

Registered as

Flathub: io.github.tobagin.sonar

Developer

Thiago Fernandes

Index record

Identity confidence: Medium · 71.6
Indexed: 13 Jun 2026
Lifecycle: Alive
Last seen: 13 Jun 2026

Identity audit (12)

Slug: sonar-flathub-org
Lifecycle last checked: 8 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 13 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Written by a language model from the project's public pages.
Category from: Assigned by the 2026 taxonomy migration.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model from page content.
Canonical URL: https://flathub.org/apps/io.github.tobagin.sonar

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