head to head · open source
gitdiagram vs plandex
gitdiagram has 18,931 GitHub stars, 1,445 forks, 43 open issues and last shipped 4 days ago. plandex has 15,917 stars, 1,192 forks, 66 open issues and last shipped 1.1 years ago. gitdiagram leads on adoption by 19% (18,931 vs 15,917 stars). gitdiagram is written in TypeScript under MIT; plandex is written in Go under MIT. gitdiagram has attracted 8% as many forks as stars, plandex 7%. gitdiagram was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai, developer-tools, llm), 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
| gitdiagram | plandex | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 16K |
| License | MIT | MIT |
| Written in | TypeScript | Go |
| Last push | 2026-11-11 | 2025-10-03 |
| Forks | ⑂ 1.4K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick gitdiagram if
- You weight community size — 19K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick plandex if
- You want the plandex feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and plandex fits your workflow better
About gitdiagram
GitDiagram Visualize any codebase: turn any public or private GitHub repository into an interactive architecture diagram, or watch it explained in a one minute narrated video. AI agents can use it too, through the MCP server or the Markdown version of any diagram ( gitdiagram.com/owner/repo.md ). Try GitDiagram → · Or replace hub with diagram in any GitHub repository URL. Sponsored SMS, WhatsApp, and RCS through one API. Try Sent → New: explainer videos GitDiagram can now turn a repository into a narrated video of about a minute. The video starts with what the project is for and what people do with it, then…
read the full gitdiagram overview →
About plandex
30 Second Install · Website · Docs · Examples · Local Self Hosted Mode An AI coding agent designed for large tasks and real world projects. 💻 Plandex is a terminal based AI development tool that can plan and execute large coding tasks that span many steps and touch dozens of files. It can handle up to 2M tokens of context directly ( 100k per file), and can index directories with 20M tokens or more using tree sitter project maps. 🔬 A cumulative diff review sandbox keeps AI generated changes separate from your project files until they are ready to go. Command execution is controlled so you can easily roll back…
read the full plandex overview →
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Frequently asked questions
Is gitdiagram or plandex more popular?
gitdiagram has 18,931 GitHub stars and plandex has 15,917. gitdiagram has the larger community by that measure.
Are gitdiagram and plandex free?
Both are open source. gitdiagram is licensed under MIT and plandex under MIT. Neither carries a licence fee.
What is the difference between gitdiagram and plandex?
gitdiagram is written in TypeScript and plandex in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, gitdiagram or plandex?
Choose gitdiagram if you want the larger community (18,931 stars) or its MIT licence terms. Choose plandex if its feature set, stack or MIT licence fits better. Both are self-hostable.