FIR Tree is a B2B product built for kotlin developers using IntelliJ-based IDEs.

Yes — FIR Tree is free to use.

What platforms does FIR Tree run on?

FIR Tree runs on the web, macOS, Windows, and Linux.

Is FIR Tree still maintained?

Unverified. FIR Tree 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.

What projects are similar to FIR Tree?

Similar projects tracked by PulseGate include Kotlin External FIR Support, Flr, and Tree Gen.

FIR Tree is developed by JetBrains.

When did FIR Tree launch?

FIR Tree first shipped in 2026.

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FIR Tree

Name: FIR Tree
Author: JetBrains

jetbrains.comOther dev tools

FIR Tree is a plugin for IntelliJ-based IDEs that helps Kotlin developers inspect and navigate Frontend Intermediate Representation trees. It is intended for compiler and language-tooling development workflows.

FreeWebmacOSWindowsLinux

Visit jetbrains.com

Overview

4 features

FIR Tree sits in PulseGate's Other dev tools category. It focuses on inspecting and understanding Kotlin FIR trees inside IntelliJ-based development environments. It is built as a B2B product for kotlin developers using IntelliJ-based IDEs. It is available for free. FIR Tree is available on the web, macOS, Windows, and Linux.

Behind FIR Tree is JetBrains, and it first shipped in 2026. Key capabilities include FIR tree viewing, IDE integration, and tree navigation.

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

FIR tree viewing
IDE integration
Tree navigation
Kotlin tooling

Built with & integrations

Hosting

AWS

Connectors

vscode

Runs on

BrowsermacOSWindowsLinux

Detected from

AWS: x-amz-cf-id header · x-amz-cf-pop header · via header

Trust & compliance

Verified signals

HTTPSFree tier

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 08:16 UTC
FIR Tree verified via JetBrains Plugins
Source: JetBrains Plugins · Open

Frequently asked questions about FIR Tree

What does FIR Tree do?: FIR Tree focuses on inspecting and understanding Kotlin FIR trees inside IntelliJ-based development environments. It is catalogued under Other dev tools on PulseGate.
Who is FIR Tree for?: FIR Tree is a B2B product built for kotlin developers using IntelliJ-based IDEs.
Is FIR Tree free?: Yes — FIR Tree is free to use.
What platforms does FIR Tree run on?: FIR Tree runs on the web, macOS, Windows, and Linux.
Is FIR Tree still maintained?: Unverified. FIR Tree 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.
What projects are similar to FIR Tree?: Similar projects tracked by PulseGate include Kotlin External FIR Support, Flr, and Tree Gen.Kotlin External FIR Support Flr Tree Gen
Who makes FIR Tree?: FIR Tree is developed by JetBrains.
When did FIR Tree launch?: FIR Tree first shipped in 2026.

At a glance

Platforms: Web
Languages: English
First seen: 9 Sept 2026
Built for: Kotlin developers using IntelliJ-based IDEs
Model: B2B
Solves: Inspecting and understanding Kotlin FIR trees inside IntelliJ-based development environments.

Registered as

JetBrains Marketplace: 23270

Developer

JetBrains

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 9 Sept 2026

Identity audit (13)

Slug: fir-tree-jetbrains-com
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model from page content.
Last updated: 9 Sept 2026
Canonical URL: https://plugins.jetbrains.com/plugin/23270-fir-tree

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