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README Templates

Six starting points, because a CLI README and a library README need different sections

Library / package — editable

Edits are kept per template while this tab is open. Replace every placeholder before committing.

One Generic Template Fits Nothing Properly

You copy a template and half of it does not apply. Your CLI tool has no API section, your dataset has no install command, and you spend twenty minutes deleting headings. Every README template here is built for one project type instead.

Six starting points. Pick the one that matches, edit it in place, download the file.

They are all deliberately short. Cutting is easier than writing, and every one of these expects you to delete something.

Which README MD Template Matches Your Project?

Project typeWhat the reader wants first
Library or packageThe install line, then whether the API is pleasant
CLI toolCommands, flags, and what each exit code means
Web appA screenshot, then how to run it locally
DatasetWhere the data came from and what it excludes
Portfolio projectThe problem, and the decisions you made
Small utilityFour lines and nothing else

Notice how little those overlap. A CLI README organised like a library README buries the command list under an API section that does not exist.

For a monorepo we use the minimal template at the root and a real README inside each package. A root file documenting five packages turns into a directory listing.

What Goes in an Open Source README Template That Others Skip

Three sections we include on purpose because they are usually missing:

  • Known limitations on the dataset template. Researchers read it first, and leaving it out is how data gets misused.
  • Exit codes on the CLI template. Anyone scripting your tool needs them, and almost no README documents them.
  • What I would change on the portfolio template. Reviewers read it more closely than the code.

That last one makes people nervous. In our experience it is the section that separates a project that looks finished from one that shows judgement — as long as the answer is specific rather than vague self-criticism.

Why Every README Example Here Uses Absolute Image URLs

Relative paths look tidier and they break the moment your README leaves the repository.

npm, PyPI and every package aggregator render your README from their own domain. A path like docs/screenshot.png resolves against their site and finds nothing.

So the templates use full raw.githubusercontent.com URLs. Slightly uglier in the source, correct everywhere the file travels.

Same reasoning applies to badges, which are absolute by nature. Our badge generator builds them with a live preview.

Start From a Minimal README Template and Add Only What You Need

The most common mistake is starting from the biggest template and filling gaps. You end up with empty option tables and a Contributing section that says "PRs welcome".

An empty table is worse than no table. It signals the documentation was abandoned partway, which is a worse impression than brevity.

Our advice: take the minimal template, ship it, and add sections when somebody actually asks a question. That way every section exists because a real person needed it.

The reasoning behind the cuts is in what belongs in a README.

Templates or a Generator?

A template is a starting point you edit. A generator asks questions and assembles the file for you. Both are reasonable and they suit different moments.

Use a template when you know the shape you want and would rather write the prose yourself. Use the README generator when you want badges, tech icons and install blocks built from a form.

For your GitHub profile rather than a repository, the profile README maker handles that separate file.

Setting up a fresh repository? Pair this with a gitignore template generator so the first commit is clean.

Frequently Asked Questions

Why not just one template for everything?

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Because the sections that matter change with the project. A CLI user wants commands and exit codes; a library user wants an API surface and version compatibility. One generic template serves both badly, which is why most template sites feel interchangeable.

Which template should I use for a monorepo?

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The minimal one at the root, then a proper README inside each package. A root README trying to document five packages becomes a directory listing nobody reads. Link down rather than explaining up.

Do I need a licence section if I already have a LICENSE file?

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Yes, one line pointing at it. GitHub detects the file and shows the licence in the sidebar, but plenty of people never look there. The mirrors your README travels to show no sidebar at all.

Should the dataset template mention limitations?

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Always, and it is the section researchers read first. Sampling gaps, exclusions and anything you would not use the data for belong there. Leaving it out is how a dataset gets misused and then criticised.

Is the "what I would change" section on the portfolio template a bad look?

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The opposite, in our experience. Reviewers read it more closely than the code, because it shows judgement rather than output. Vague self-criticism reads badly; a specific trade-off you would revisit reads well.

Why do the templates use full image URLs instead of relative paths?

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Relative paths only resolve inside the repository. The moment your README is mirrored on npm, PyPI or a package aggregator, the image points nowhere. A raw.githubusercontent.com URL survives the trip.

Should I keep the placeholder tables if I have nothing to put in them?

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Delete them. An empty options table is worse than no table, because it signals the documentation was abandoned halfway. Every template here is meant to be cut down.

How do I document environment variables without leaking anything?

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Name the variable and describe what it is, never the value. Ship a .env.example with dummy values and reference it. We still see real API keys committed inside README examples.

Do these templates work outside GitHub?

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The markdown does. Tables are a GitHub extension though, so on a plain markdown renderer they show as literal pipes. If your README is heading to a mirror that only supports basic syntax, use lists instead.

Should a README include a table of contents?

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Rarely now. GitHub generates an outline from your headings with a built-in button, so a hand-written list is duplicated effort that drifts out of sync. None of these templates include one.

The Short Version

Pick the README template matching your project type, edit it, delete two sections, commit it. A CLI and a library genuinely need different files.

Start smaller than feels right. Adding a section later is easy; nobody ever went back to trim one.

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