CodeCrafters
@codecrafters-io • Build your own Git, SQLite, & Redis. . Use this route to separate flagship concentration from portfolio breadth before you treat a publisher as broadly strong.
Portfolio concentration
47%
Top three share
Shows whether the organization is driven by one breakout repo or several visible projects.
Breadth
29 repos
Visible snapshot
9 repositories updated in the last 90 days.
Leading language
Go
Portfolio mix
Go (8), TypeScript (7), Shell (6)
Average size
13
Stars per repository
Useful for distinguishing one flagship-heavy publisher from a repeatable portfolio.
Updated: 2026-06-22(64d ago)GitHub API fallback29 repositories
47%
of the visible star count comes from this organization's top three repositories.
13
stars per repository in this same snapshot.
Go
is the most common language here, with 9 repositories updated in the last 90 days.
Why this rank
This organization stands out because its public portfolio is relatively balanced across 29 repositories.
Balanced portfolio across 29 reposTop 3 share 47%
Organization pages work best when you separate portfolio breadth from flagship concentration. In CodeCrafters's case, the visible top three repositories account for about 47% of total stars in this snapshot, which helps explain whether the organization is known for one breakout project or for a broader repeatable portfolio.
The dominant language mix here is Go (8), TypeScript (7), Shell (6). That makes this page useful not just for popularity checks, but also for seeing what technical shape an organization's public ecosystem actually has.
Top Repositories
| # | Repository | Language | Stars |
|---|---|---|---|
| 1 | codecrafters-io/binspec | TypeScript | 60 |
| 2 | codecrafters-io/build-your-own-kafka Definition for the kafka challenge. | Shell | 58 |
| 3 | codecrafters-io/build-your-own-shell Definition for the shell challenge. | Shell | 56 |
| 4 | codecrafters-io/build-your-own-claude-code Definition for the claude-code challenge. | Shell | 39 |
| 5 | codecrafters-io/ccbench A benchmark for coding agents | Rust | 39 |
| 6 | codecrafters-io/language-dashboard Language dashboard for CodeCrafters challenges. | Python | 23 |
| 7 | codecrafters-io/shell-tester Tester for the shell challenge. | Go | 11 |
| 8 | codecrafters-io/ansi101 ANSI Escape Sequence Visualizer | TypeScript | 10 |
| 9 | codecrafters-io/redis-geocoding-algorithm An explainer on how Redis's geocoding algorithm works | C# | 10 |
| 10 | codecrafters-io/language-templates | Shell | 8 |
| 11 | codecrafters-io/build-your-own-gleam-chess-bot-js Definition for the gleam-chess-bot-js challenge. | TypeScript | 6 |
| 12 | codecrafters-io/build-your-own-gleam-chess-bot Definition for the gleam-chess-bot challenge. | TypeScript | 5 |
| 13 | codecrafters-io/kafka-tester Tester for the kafka challenge. | Go | 5 |
| 14 | codecrafters-io/llm-rules-test Custom runner for LLM rules that help validate stage instructions | TypeScript | 4 |
| 15 | codecrafters-io/lobbyside-react React SDK for rendering custom Lobbyside widget UIs against live state — the host-side identity, CTA, and join-call action without our default card. | TypeScript | 3 |
| 16 | codecrafters-io/test-runner-builder | Ruby | 3 |
| 17 | codecrafters-io/build-your-own-course-slug-1 Definition for the course-slug-1 challenge. | Go | 3 |
| 18 | codecrafters-io/git-host-proxy Reverse proxy to git.codecrafters.io | Dockerfile | 3 |
| 19 | codecrafters-io/flyio-disk-performance-test | Go | 3 |
| 20 | codecrafters-io/ember-codemirror | 3 | |
| 21 | codecrafters-io/claude-code-tester Tester for the claude-code challenge. | Go | 2 |
| 22 | codecrafters-io/stagegen | TypeScript | 2 |
| 23 | codecrafters-io/coderbot Coding agent used on CodeCrafters challenges | Dockerfile | 2 |
| 24 | codecrafters-io/code-example-previews-stg | Shell | 2 |
| 25 | codecrafters-io/gleam-chess-bot-js-tester Tester for the gleam-chess-bot-js challenge. | Go | 2 |
| 26 | codecrafters-io/gleam-chess-bot-tester Tester for the gleam-chess-bot challenge. | Go | 2 |
| 27 | codecrafters-io/codecrafters-action A GitHub Action to setup the test environments for codecrafters challenge testers. | 2 | |
| 28 | codecrafters-io/writers-stg-tester Tester for the writers-stg challenge. | Go | 2 |
| 29 | codecrafters-io/build-your-own-writers-stg Definition for the writers-stg challenge. | Shell | 2 |
Next step after the organization read
Open a flagship repository, compare a couple of portfolio leaders, or return to the organization map when you want a broader concentration read.
Learn and methodology
Keep trust-building context reachable, but behind the first data read instead of ahead of it.
How to read this organization snapshot
Total stars are useful as a discovery signal, but they do not tell you whether a team maintains every repository equally. Pair this page with release cadence, maintainer activity, and the flagship concentration shown above before making adoption decisions.
For broader background on GitStar's ranking logic and editorial guidance, see Methodology & Editorial Standards.