open-knowledgeBeautiful, AI-native markdown editor and LLM Wiki 3.2k 204381 HN pointsGPL-3.0 last commit 2026-06-262nd-brainagent-skillsclaudecodexcompany-braindocsknowledge-knowledge-baseknowledge-managementllm Website SourceAdd to my stackDiscuss Share:AboutBeautiful, AI-native markdown IDE and LLM wikiLanguagesTypeScript98.4%JavaScript0.7%CSS0.5%Shell0.2%HTML0.1%Rust0.1%NSIS0%Batchfile0%PowerShell0%Contributors15489240174838080515046443716107+1FeaturesDiscussNo features listed.Comments ThemeGitHub LightGitHub Light High ContrastGitHub Light Protanopia & DeuteranopiaGitHub Light TritanopiaGitHub DarkGitHub Dark High ContrastGitHub Dark Protanopia & DeuteranopiaGitHub Dark TritanopiaGitHub Dark DimmedPreferred color schemeTransparent DarkNoBorder LightNoBorder DarkNoBorder GrayRStudio CobaltPurple DarkGruvboxGruvbox DarkGruvbox LightCatppuccin LatteCatppuccin FrappéCatppuccin MacchiatoCatppuccin MochaFroCustom (experimental)PlatformsWebInterfaceWebInstallnpmKeywords2nd-brainagent-skillsclaudecodexcompany-braindocsknowledge-knowledge-baseknowledge-managementllmllm-wikillm-wiki-karpathymarkdownmarkdown-editormdmdxnotespkmsecond-brainskills