Kotlin Jump
VS Code Kotlin and Java navigation, no JVM

Kotlin Jump - VS Code Kotlin and Java navigation, no JVM - Slide 1, Image 1

Project Overview

TypeScript

tree-sitter

VS Code API

Node.js

    Kotlin Jump is a VS Code and Open VSX extension for fast Kotlin and Java navigation with no JVM and no language server. It reached 6,237 installs as of May 2026, rated 5.0, and indexes 3,000+ files in under 500 ms, about 109x faster than JVM-based Kotlin language servers.
  • 6,237 installs across VS Code Marketplace and Open VSX, rated 5.0:
  • Indexes 3,000+ files in under 500 ms, lookups under 1 ms:
  • About 109x faster than JVM-based Kotlin language servers:
  • No JVM and no language server:
  • Built with TypeScript and tree-sitter:
  • Works in VS Code, Cursor, VSCodium, and Windsurf:

Get in Touch

Have a project in mind? Let's discuss how we can work together.

Or email me directly at kevin.doremy.l@gmail.com

Kevin Doremy, Eng.

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Kevin - Kotlin Jump