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lem-project/lem

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General-purpose editor/IDE with high expansibility in Common Lisp

49 mentions on Hacker News by 33 people: 7 stories, 42 comments · first 2016-12-01 · latest 2026-07-23

Mentions per year 49 mentions · busiest year 2024 (13)
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  1. …of the richer CommonLisp ecosystem compared to Elisp one. [1] https://lem-project.github.io/ [2] https://github.com/lem-project/lem
    comment by xvilka · 2026-07-23 · in Emacs Is a Lispboard
  2. Sounds like you want Lem. Though it's common lisp instead of guile. https://github.com/lem-project/lem
    comment by cmrdporcupine · 2026-05-24 · in My I3-Emacs Integration
  3. FWIW the lem editor (basically emacs in common lisp) has its own version of magit, called legit. https://github.com/lem-project/lem/blob/main/extensions/legi... But I guess if you're leaving GNU emacs, you're probably not eager to jump…
    comment by cmrdporcupine · 2026-04-30 · in I have officially retired from Emacs
  4. …flexibility + evil-mode and reactivity, recently I searched for something similar and found Lem: https://github.com/lem-project/lem , looks promising, I'll try it out and compare with Emacs when I have the chance and time.
    comment by rickstanley · 2025-11-23 · in Editing Code in Emacs
  5. I don't agree with everything in their approach, but Lem ( https://github.com/lem-project/lem ) is a modern editor that has the Emacs Nature.
    comment by NoGravitas · 2025-11-17 · in IDEmacs: A Visual Studio Code clone for Emacs
  6. …used it that much (same for Emacs itself, really), but it looks like a very solid foundation [0]: https://github.com/lem-project/lem
    comment by chiffaa · 2025-11-16 · in IDEmacs: A Visual Studio Code clone for Emacs
  7. …enough signal for potential users to feel it's the right time for their actions. Go star Lem https://github.com/lem-project/lem I feel the same way about org mode. Nice. Can I use it on a team? Get real. I'd like more embedded data…
    comment by positron26 · 2025-11-06 · in How I am deeply integrating Emacs
  8. …Back to test editors: the Lem Emacs-like editor written in Common Lisp is an interesting project https://github.com/lem-project/lem
    comment by mark_l_watson · 2025-08-12 · in GitHub is no longer independent at Microsoft after CEO resignation
  9. …day, find it much better to work with than vim when it comes to lisp and vim is my primary editor. https://github.com/lem-project/lem
    comment by ofalkaed · 2025-01-12 · in Why I Chose Common Lisp
  10. …a long time Emacs user, occasionally leaving but always returning. Lately, Lem has my attention. https://github.com/lem-project/lem For those not familiar, Lem is very approximately an Emacs, natively written and extendable in Common Lisp,…
    comment by emptybits · 2024-12-28 · in EmacsConf 2024 Notes
  11. …code you may still have to acknowledge the languages you don't like. Perhaps you'd prefer Lem? https://github.com/lem-project/lem
    comment by Y_Y · 2024-12-09 · in Guile-Emacs Relaunched
  12. …text (orgextended), that's a nice feature. I know one guy who uses emacs and when I heard of lem ( https://github.com/lem-project/lem ) I told him. (Lem is also in CL) He was quite enthusiastic of it, but 2 or 3 things were missing at the…
    comment by az09mugen · 2024-11-27 · in Neomacs: Structural Lisp IDE/browser/computing environment
  13. …I don't know for concurrency but I hope it is designed to do so. Also there isn't org-mode. [0] : https://github.com/lem-project/lem
    comment by az09mugen · 2024-10-13 · in Ask HN: If you were rewriting Emacs from scratch, what would you do differently?
  14. …being developped, but am not able to judge the robustness. Also that there isn't org-mode. [0] : https://github.com/lem-project/lem
    comment by az09mugen · 2024-10-12 · in Ask HN: If you were rewriting Emacs from scratch, what would you do differently?
  15. Yes, M-C https://github.com/lem-project/lem/blob/main/src/commands/mu...
    comment by cmrdporcupine · 2024-08-31 · in Lem: Emacs-like editor written in Common Lisp
  16. Also, weird passive aggressiveness in the issue tracker without actually fixing the issue: https://github.com/lem-project/lem/issues/1359
    comment by HexDecOctBin · 2024-08-30 · in Lem: Emacs-like editor written in Common Lisp
  17. I'm watching it with attention but some stuff is concerning: * Some binaries in the source tree like https://github.com/lem-project/lem/tree/main/extensions/term... * Commit messages aren't really descriptive. * PRs and issues lingering in…
    comment by BoingBoomTschak · 2024-08-30 · in Lem: Emacs-like editor written in Common Lisp
  18. …NixOS? I see this aborted attempt here: https://github.com/NixOS/nixpkgs/issues/250777 (linked from https://github.com/lem-project/lem/issues/890 ). If not, I guess I might just try patching the binaries rather than trying to build it from…
    comment by mplanchard · 2024-08-30 · in Lem: Emacs-like editor written in Common Lisp
  19. …in a while. And wow. So cool. There's also 'legit' for lem, the Emacsen written in Common Lisp. https://github.com/lem-project/lem/blob/main/extensions/legi...
    comment by cmrdporcupine · 2024-08-09 · in Magit 4.0 Released
  20. …challenge to compete against decades of development, a huge community and a rich ecosystem. [1]: https://github.com/lem-project/lem
    comment by phforms · 2024-02-16 · in The Emacsen family, the design of an Emacs and the importance of Lisp (2023)
  21. …Link to "Lem" the Common Lisp based "Emacs" discussed in the talk. https://lem-project.github.io/ https://github.com/lem-project/lem
    comment by heinrichhartman · 2024-02-16 · in The Emacsen family, the design of an Emacs and the importance of Lisp (2023)
  22. >How's that Guile port coming along anyway? https://github.com/lem-project/lem (as a realistic climacs) is probably our only hope for a "new Emacs".
    comment by a-french-anon · 2024-01-30 · in A Tour of the Lisps
  23. …also Lem, which has a good vim mode and is scriptable in Common Lisp (since it's built in CL) :D https://github.com/lem-project/lem/ It has: LSP support, a treeview, project-related commands, a directory mode, a POC git mode… with ncurses…
    comment by vindarel · 2023-11-17 · in Emacs-ng: A project to integrate Deno and WebRender into Emacs
  24. …questions, the community can help you on Discord with the language itself [2] and the IDE [3]. [0] https://github.com/lem-project/lem/releases [1] https://gigamonkeys.com/book/ [2] https://discord.gg/cuVpwZXJ [3] https://discord.gg/sBYyjyC6
    comment by mepian · 2023-06-01 · in What are the enduring innovations of Lisp? (2022)
  25. Same! https://github.com/lem-project/lem/issues/627
    comment by Nezteb · 2023-05-22 · in Lem v2.0.0 – Common Lisp IDE with high expansibility
  26. Since it doesn't look like the project has been discussed on HN before, we switched the link from https://github.com/lem-project/lem/releases/tag/v2.0.0 to the project page. Edit: oops, there was a thread in 2017 (see…
    comment by dang · 2023-05-22 · in Lem v2.0.0 – Common Lisp IDE with high expansibility
  27. Awesome release! Lem also works for Python, Rust, HTML [and more]( https://github.com/lem-project/lem/tree/master/modes ), it has a built-in LSP server, a vi layer, a directory mode… It has a very good CL REPL, with an interactive…
    comment by vindarel · 2023-05-22 · in Lem v2.0.0 – Common Lisp IDE with high expansibility
  28. …with (Perl-compatible) regular expressions interactively. Freeware. ## Text editors - [Lem]( https://github.com/cxxxr/lem ) - Common Lisp editor/IDE with high expansibility. [MIT]. Works for many languages, has a LSP client. ## Math -…
    comment by vindarel · 2022-11-04 · in Why Lisp?
  29. Lem uses its LSP mode. https://github.com/lem-project/lem/ (don't know much more, maybe it is that one (same author) https://github.com/cxxxr/cl-lsp ) (edit: there's also https://github.com/nobody-famous/alive-lsp/ that is built for the…
    comment by vindarel · 2022-10-02 · in Emacs-like editors written in Common Lisp
  30. …languages (Python, Rust, Go, Java, Dart, Nim, HTML… and a directory, markdown, SQL, shell… mode). https://github.com/lem-project/lem/ It works on the terminal and in an experimental Electron front-end. More are in the works. It lacks…
    comment by vindarel · 2022-10-02 · in Emacs-like editors written in Common Lisp
  31. Couple of recent projects which I am aware of: A browser: https://nyxt.atlas.engineer/ An editor: https://github.com/lem-project/lem A window manager: https://github.com/stumpwm/stumpwm A GUI framework: https://github.com/rabbibotton/clog…
    comment by trenchgun · 2022-05-04 · in Lisp in Space
  32. well there's a working Emacs-like in Common Lisp! https://github.com/lem-project/lem/
    comment by vindarel · 2022-05-03 · in Emacs for Professionals
  33. You might be interested in: https://github.com/cxxxr/lem For a terminal editor, it’s impressively usable.
    comment by fiddlerwoaroof · 2022-04-28 · in Tutorial Series to learn Common Lisp quickly
  34. …very cool and I'm waiting for it but the usable Common Lisp based editors are Lem and LispWorks: https://github.com/lem-project/lem/ supports CL, Python, C, Rust, CSS, Go, HTML, Java, JS, Nim, OCaml… (see the modes/ directory), it has a…
    comment by vindarel · 2021-05-25 · in Second Climacs – Emacs Implementation in Common Lisp
  35. …:] As for text editors, there's Lem and LispWorks https://github.com/CodyReichert/awesome-cl https://github.com/lem-project/lem/ https://lisp-journey.gitlab.io/blog/discovering-the-lispwork...
    comment by vindarel · 2021-05-25 · in Second Climacs – Emacs Implementation in Common Lisp
  36. …Emacs-clone written and extended in Common Lisp rather than the weird version of Lisp Emacs uses. https://github.com/lem-project/lem
    comment by jhbadger · 2021-03-12 · in From Vim to Emacs in fourteen days (2015)
  37. Yes, there's the Lem editor (unrelated to CMUCL or the SBCL project itself): https://github.com/cxxxr/lem/ (also works for more programming languages) (and also, rather ipython-like, cl-repl: https://github.com/koji-kojiro/cl-repl/ )
    comment by vindarel · 2020-12-16 · in Ask HN: I want to start learning Lisp. Where do I begin?
  38. Lem does https://github.com/cxxxr/lem
    comment by fmakunbound · 2020-06-28 · in Xi-Editor Retrospective
  39. There's also lem, which is more portable: https://github.com/cxxxr/lem
    comment by fiddlerwoaroof · 2020-05-04 · in Bringing GNU Emacs to native code [video]
  40. There's also lem, which is a Common Lisp based Emacs clone https://github.com/cxxxr/lem
    comment by jhbadger · 2019-07-07 · in My Lisp Experiences and the Development of GNU Emacs (2002)
  41. Nice summary. It would appear that the lem editor is: https://github.com/cxxxr/lem (No hyperlink in the article)
    comment by e12e · 2019-03-16 · in Years in Common Lisp: 2018
  42. Here is another one: https://github.com/cxxxr/lem
    comment by lispm · 2016-12-01 · in The Emacs dumper dispute