KotlinLanguageServer VS rust-analyzer

Compare KotlinLanguageServer vs rust-analyzer and see what are their differences.

KotlinLanguageServer

Kotlin code completion, diagnostics and more for any editor/IDE using the Language Server Protocol (by fwcd)

rust-analyzer

A Rust compiler front-end for IDEs [Moved to: https://github.com/rust-lang/rust-analyzer] (by rust-analyzer)
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KotlinLanguageServer rust-analyzer
22 207
1,489 9,320
- -
8.9 10.0
30 days ago about 2 years ago
Kotlin Rust
MIT License GNU General Public License v3.0 or later
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

KotlinLanguageServer

Posts with mentions or reviews of KotlinLanguageServer. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-12-09.
  • Kotlin is a much better language than Java even with all the new stuff Java has added.
    1 project | /r/Kotlin | 11 Dec 2023
    There's a community-made one, but of course as much effort as has been put into it it's not as featureful as JetBrains's own stuff.
  • Noob here, would neovim work for my usecase
    2 projects | /r/neovim | 9 Dec 2023
    Kotlin is probably the worst case for Neovim. While there is a language server for Kotlin, it's not very advanced and does not look like it's actively developed.
  • Kotlin on VScode, intellij, or android studio?
    1 project | /r/Kotlin | 23 Jun 2023
    Hi, if you are going to do Kotlin the easiest choice is android studio with Kotlin plugin. Using Vscode is more tricky because Jetbrains does not want to support lsp for Kotlin so you only have https://github.com/fwcd/kotlin-language-server available to write Kotlin on Vscode.
  • I LOVE Rust's exception handling
    3 projects | /r/rust | 10 May 2023
    Kotlin Language Server puts a warning on this code, because the bar inside the lambda shadows the function argument bar. Flow typing solves this problem by eliminating the need to redefine bar as a new non-nullable variable in the branch where we've verified it's non-nullable.
  • Kotlin is tightly linked to IntelliJ and that's a risk
    4 projects | /r/Kotlin | 22 Jan 2023
    You want to change something about that? Go and help over at the kotin lsp server. It's maintained, and welcomes contributions. I sometimes use it in my day job (writing Kotlin backend code)
  • Kotlin 1.8.0 Released
    1 project | /r/programming | 17 Jan 2023
    There is https://github.com/fwcd/kotlin-language-server, but I wouldn't expect something more official from a company that refuse to support LSP in their IDEs. JetBrains is the Apple of the IDE world.
  • What are best plugins for C++, Java, Kotlin, Python, & LaTex
    9 projects | /r/neovim | 30 Dec 2022
    Oddly enough, we use mostly the same languages. However, I would advise against using neovim with Kotlin: its language server has an excessive memory usage and its debugger is cumbersome with neovim (I haven't managed to get it working, and currently it also lacks an entry in nvim-dap's wiki).
  • From zero to 10M lines of Kotlin
    9 projects | news.ycombinator.com | 25 Oct 2022
    I'll bring up the Kotlin LSP[0] every time I see Kotlin on HN because I really hope the LSP takes off (which would make it viable to use Kotlin with a non-IntelliJ editor).

    Kotlin as a language looks really cool, but I don't want to give up terminal-based, modal editing (which I'd have to in order to use IntelliJ).

    Along those lines, I once tried diving into using Gradle outside IntelliJ, and I couldn't find any good resources to help with that. If folks have hints/links-to-blog-posts with regards to that as well, that'd be great!

    [0] https://github.com/fwcd/kotlin-language-server#this-reposito...

  • Idea: Jetbrains Fleet's Code Engine as an LSP?
    4 projects | /r/neovim | 15 Oct 2022
    I've tried [this Kotlin LSP](https://github.com/fwcd/kotlin-language-server) and it isn't perfect. It's not complete, but it does some of the basic things.
  • Kotlin language server doesn't work ("0 client(s) attached to this buffer")
    2 projects | /r/neovim | 3 Jun 2022
    I've downloaded kotlin language server from here: https://github.com/fwcd/kotlin-language-server

rust-analyzer

Posts with mentions or reviews of rust-analyzer. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-01-17.
  • rust-analyzer changelog #177
    1 project | /r/rust | 17 Apr 2023
    #14561 map tokens from include! expansion to the included file
  • Make LSP-Rust-analyzer works
    1 project | /r/neovim | 2 Mar 2023
    return { tools = { -- autoSetHints = false, on_initialized = function() vim.api.nvim_create_autocmd({ "BufWritePost", "BufEnter", "CursorHold", "InsertLeave" }, { pattern = { "*.rs" }, callback = function() vim.lsp.codelens.refresh() end, }) end, auto = false, inlay_hints = { -- Only show inlay hints for the current line only_current_line = false, auto = false, -- Event which triggers a refersh of the inlay hints. -- You can make this "CursorMoved" or "CursorMoved,CursorMovedI" but -- not that this may cause higher CPU usage. -- This option is only respected when only_current_line and -- autoSetHints both are true. only_current_line_autocmd = "CursorHold", -- whether to show parameter hints with the inlay hints or not -- default: true show_parameter_hints = false, -- whether to show variable name before type hints with the inlay hints or not -- default: false show_variable_name = false, -- prefix for parameter hints -- default: "<-" -- parameter_hints_prefix = "<- ", parameter_hints_prefix = " ", -- prefix for all the other hints (type, chaining) -- default: "=>" -- other_hints_prefix = "=> ", other_hints_prefix = " ", -- whether to align to the lenght of the longest line in the file max_len_align = false, -- padding from the left if max_len_align is true max_len_align_padding = 1, -- whether to align to the extreme right or not right_align = false, -- padding from the right if right_align is true right_align_padding = 7, -- The color of the hints highlight = "Comment", }, hover_actions = { auto_focus = false, border = "rounded", width = 60, -- height = 30, }, }, server = { --[[ $ mkdir -p ~/.local/bin $ curl -L https://github.com/rust-analyzer/rust-analyzer/releases/latest/download/rust-analyzer-x86_64-unknown-linux-gnu.gz | gunzip -c - > ~/.local/bin/rust-analyzer $ chmod +x ~/.local/bin/rust-analyzer --]] -- cmd = { os.getenv "HOME" .. "/.local/bin/rust-analyzer" }, cmd = { os.getenv "HOME" .. "~/.cargo/bin/rust-analyzer" }, on_attach = require("user.lsp.handlers").on_attach, capabilities = require("user.lsp.handlers").capabilities, settings = { ["rust-analyzer"] = { lens = { enable = true, }, checkOnSave = { command = "clippy", }, }, }, }, }
  • rust-analyzer changelog #164
    3 projects | /r/rust | 17 Jan 2023
    I would like changes like https://github.com/rust-analyzer/rust-analyzer/pull/13799 to be listed in 'Breaking Changes' category, to приманка draw the users' attention.
  • Mun v0.4.0 released
    4 projects | /r/rust_gamedev | 13 Dec 2022
    For those of you who haven’t heard of Mun before, Mun is an embeddable programming language empowering creation through iteration. The idea to create Mun originated out of frustration with the Lua dynamic scripting language and a desire to have similar hot reloading functionality available in Rust. As such, it’s not a direct competitor with Rust, but instead is intended to be used with Rust (or C/C++) as a host/embedded language pairing. Actually, Mun is completely written in Rust, building on similar crates as rust-analyzer and rustc. Its key features include:
  • rust-analyzer changelog #159
    2 projects | /r/rust | 12 Dec 2022
    #13728 upgrade chalk to make solver fuel work again (works around most trait solving hangs).
  • rust-analyzer changelog #147
    1 project | /r/rust | 19 Sep 2022
    #13221 (first contribution) add option to move lenses above doc comments (rust-analyzer.lens.location):
  • Does Rust need proc-macros 2.0?
    2 projects | /r/rust | 27 Jul 2022
    Rust-analyzer has a good overview: https://github.com/rust-analyzer/rust-analyzer/blob/master/docs/dev/syntax.md
  • rust-analyzer changelog #134
    7 projects | /r/rust | 20 Jun 2022
    #12517 (first contribution) fix completion for methods in trait generated by macro.
  • LSP Rust Analyzer keeps telling me `Error NO_RESULT_CALLBACK_FOUND`
    3 projects | /r/neovim | 12 Jun 2022
    -- all the opts to send to nvim-lspconfig -- these override the defaults set by rust-tools.nvim -- see https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md#rust_analyzer server = { -- on_attach is a callback called when the language server attachs to the buffer -- on_attach = on_attach, settings = { -- to enable rust-analyzer settings visit: -- https://github.com/rust-analyzer/rust-analyzer/blob/master/docs/user/generated_config.adoc ["rust-analyzer"] = { -- enable clippy on save checkOnSave = { command = "clippy" }, assist = { importGranularity = "module", importPrefix = "self", }, cargo = { loadOutDirsFromCheck = true }, procMacro = { enable = true }, } } },
  • rust-analyzer changelog #130
    2 projects | /r/rust | 23 May 2022
    #12349 publish universal VSIX to make Code happy.

What are some alternatives?

When comparing KotlinLanguageServer and rust-analyzer you can also consider the following projects:

nvim-lspconfig - Quickstart configs for Nvim LSP

vscode-rust - Rust extension for Visual Studio Code

kickstart.nvim - A launch point for your personal nvim configuration

Clippy - A bunch of lints to catch common mistakes and improve your Rust code. Book: https://doc.rust-lang.org/clippy/

kotlin-vim - Kotlin plugin for Vim. Featuring: syntax highlighting, basic indentation, Syntastic support

intellij-rust - Rust plugin for the IntelliJ Platform

intellij-community - IntelliJ IDEA Community Edition & IntelliJ Platform

rustfmt - Format Rust code

kotlin-textmate-bundle - Textmate bundle for the Kotlin programming language

eglot - A client for Language Server Protocol servers

vscode-kotlin - Kotlin language support for VS Code

rust - Empowering everyone to build reliable and efficient software.