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Leo Editor

Text and code editor where Outlines are first class citizen.

Leo Editor Reviews and details

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Leo editor: intro to outline manipulation

Social recommendations and mentions

We have tracked the following product recommendations or mentions on various public social media platforms and blogs. They can help you see what people think about Leo Editor and what they use it for.
  • Ask HN: What do you think about literate programming for handover/legacy code?
    What are your experiences with literate programming for handover of code? I am thinking of tools like noweb (, LEO ( org-mode (, scribble/lp2 (, My experience so far is that it can be a fantastic tool for documenting... - Source: Hacker News / over 1 year ago
  • How to hoist the current method/function?
    I know what folding is, that's just not what I want. I want to completely hide everything that is not related to the current function. For a while, I used where I could have every function/method as a node in a tree, with the node body containing just that. Looking for a way to achieve the same in vim if possible. Source: almost 2 years ago
  • Organice: An implementation of Org mode without the dependency of Emacs
    The lack of good node/graph based APIs for Org Mode is my beef as well. When you compare it with the APIs of the Leo Editor[1], Org pales in comparison. Manipulation that is trivial in the Leo Editor can be quite a pain in Org mode. [1] - Source: Hacker News / almost 2 years ago
  • Obsidian Dataview: Turn Obsidian Vault into a database which you can query from
    > What outliners do you know which allow end-users to feed their data into formulas for processing it without using general-purpose programming languages? Bit of a pointless constraint, the talk is about outliners, not no-code-datamangment. Which tool today does this even offer on a useful level? But you can look at leo editor (, which is active for 20+ years, fully scriptable and extendable.... - Source: Hacker News / about 2 years ago
  • LeoVue
    Leo is a pretty amazing project: Edward K. Ream treats it as his life's work, it seems to me, and his energy on the mailing lists, constantly thinking in public, is an inspiration. - Source: Hacker News / about 2 years ago
  • Why LSP?
    Hmm maybe you mean: - Programming based on fragments, not documents (e.g. LEO - Live programming (e.g. Smalltalk environments) - ... Where certain actions are not available, e.g. a PL geared towards speech recognition may not support "hover". - Source: Hacker News / about 2 years ago
  • Is it bad practice to start with Jupyter Notebooks?
    There's also where you can have a tree of nodes and execute any of them. Source: about 2 years ago
  • The project with a single 11,000-line code file
    I had this problem until I found an editor that had outlining as it's core design paradigm. Now, with the outline always visible, it's _really_ easy to navigate any length file. Unfortunately, at one point I got so used to navigating with the outline that I ended up making a 1500 line function in C (I was an even worse C programmer then than I am now). Because of the outline, I could read and follow it easily, but... - Source: Hacker News / about 2 years ago
  • Literate programming is much more than just commenting code
    I found this years ago: - Source: Hacker News / about 2 years ago
  • Can someone explain to me why Scrivener is regarded so highly?
    Before Scrivener I was writing using mostly pure outliners, like Tinderbox, LEO Editor, the now defunct Hog Bay Notebook (later called Mori) and the classic MORE-alike, NeO. Before that I was writing in raw LaTeX using Vim. Source: over 2 years ago
  • If you're into 'Literate Programming', the Leo Editor can now be used as an extension for VSCode!
    Going to I see this:. Source: over 2 years ago
  • Looking for word processor/writing program that can add tags to chunks of text to create searchable lists in-document on demand.
    Emacs Org-Mode can likely do something like this but there is a learning curve. Http:// seems similar but with a more graphic interface. Source: almost 3 years ago
  • Why nobody rewrites Emacs in Python?
    If it's important to you for your editor to be implemented in Python, maybe take a look at Leo? I hear it's similar to Emacs in some ways. Source: about 3 years ago

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This is an informative page about Leo Editor. You can review and discuss the product here. The primary details have not been verified within the last quarter, and they might be outdated. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.