head to head · open source
Understand-Anything vs nb
Understand-Anything has 89,864 GitHub stars, 7,643 forks, 303 open issues and last shipped 8 days ago. nb has 8,462 stars, 258 forks, 153 open issues and last shipped yesterday. Understand-Anything leads on adoption by 962% (89,864 vs 8,462 stars). Understand-Anything is written in TypeScript under MIT; nb is written in Shell under AGPL-3.0. Understand-Anything has attracted 9% as many forks as stars, nb 3%. nb was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (knowledge-base), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Understand-Anything | nb | |
|---|---|---|
| GitHub stars | ★ 90K | ★ 8.5K |
| License | MIT | AGPL-3.0 |
| Written in | TypeScript | Shell |
| Last push | 2026-10-26 | 2026-11-02 |
| Forks | ⑂ 7.6K | ⑂ 258 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Understand-Anything if
- You weight community size — 90K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick nb if
- You want the nb feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Shell
- You evaluated both and nb fits your workflow better
About Understand-Anything
Understand Anything Turn any codebase, knowledge base, or docs into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more. Understand Anything. Understand Anyone. AI should help people, not replace them. English 简体中文 繁體中文 日本語 한국어 Español Türkçe Русский An open source project from Egonex Originally created by Lum1104 . You just joined a new team. The codebase is 200,000 lines of code. Where do you even start? Understand Anything is a Claude Code Plugin that analyzes your project with a multi agent pipeline, builds a…
read the full Understand-Anything overview →
About nb
nb is a command line and local web note‑taking, bookmarking, archiving, and knowledge base application with: plain text data storage, encryption, filtering, pinning, tagging, and search, Git backed versioning and syncing, Pandoc backed conversion, [[wiki style linking]] , terminal and GUI web browsing, inline images, todos with tasks, global and local notebooks, organization with folders, customizable color themes, extensibility through plugins, and more, in a single portable script. nb creates notes in text based formats like Markdown, Org, LaTeX, and AsciiDoc, can work with files in any format, can import and…
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Frequently asked questions
Is Understand-Anything or nb more popular?
Understand-Anything has 89,864 GitHub stars and nb has 8,462. Understand-Anything has the larger community by that measure.
Are Understand-Anything and nb free?
Both are open source. Understand-Anything is licensed under MIT and nb under AGPL-3.0. Neither carries a licence fee.
What is the difference between Understand-Anything and nb?
Understand-Anything is written in TypeScript and nb in Shell. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Understand-Anything or nb?
Choose Understand-Anything if you want the larger community (89,864 stars) or its MIT licence terms. Choose nb if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.