# KTLSP: A Fast Language Server for Java and Kotlin Performance-focused language server for Java and Kotlin developers. - **Source:** [Developing Android Apps](https://brifing.si/source/aa76b6c1-28c1-49f8-967e-b6a0eeadfa86) - **Published:** 2026-07-18 - **Topic:** [Software & Engineering](https://brifing.si/c/engineering) - **Original article:** - **On Brifing:** https://brifing.si/s/61309174-fd05-47be-ad9c-f7aad1758ab5 ## What is KTLSP? KTLSP is a high-performance language server designed for Java and Kotlin programming languages. It aims to boost productivity by offering faster code completion, error checking, and other language features. Especially designed for teams working with large codebases. ## Who Can Use It? KTLSP is primarily designed for software developers using Java and Kotlin. Android developers, backend engineers, and teams working on large-scale enterprise applications can benefit from this tool. Easy to use thanks to IDE integrations. ## Key Features KTLSP provides faster code analysis compared to traditional language servers. It stands out with basic features like code completion, syntax highlighting, error detection, and refactoring support, along with low memory consumption. Offers a customizable plugin architecture. ## Performance Advantages Thanks to special optimization techniques, KTLSP delivers fast response times even with large codebases. Its ability to handle concurrent operations reduces developer wait times. Shows significant performance advantages over competitors in benchmark tests. ## Easy Integration KTLSP integrates seamlessly with popular development environments and editors. Provides plugins for VS Code, IntelliJ IDEA, and other modern IDEs. Supports the Language Server Protocol (LSP) standard, ensuring broad compatibility. ## Why It Matters KTLSP is an important tool that enhances developer experience in the Java and Kotlin ecosystem. It improves efficiency in software development processes, saving time and costs. Particularly reduces workload for developers in large projects. ## Sources covering this story - https://www.reddit.com/r/androiddev/comments/1uzz0wk/ktlsp_a_fast_language_server_for_java_and_kotlin/ — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._