carvel-dev/ytt
YAML templating tool that works on YAML structure instead of text
⚡ Executive Summary & Quick Facts
Authoritative Sourceytt is ytt is an open-source project written in Go: YAML templating tool that works on YAML structure instead of text..
| Repository | carvel-dev/ytt ↗ |
|---|---|
| Primary Category | carvel |
| Language & Stack | Go |
| Software License | Apache-2.0 |
| Community Traction | ★ 1.9K stars · ⑂ 167 forks · #4,508 globally |
| Maintenance | ● Active (Last commit: Oct 14, 2026) · 164 open issues |
| Target Audience | Developers and engineering teams building with Go, seeking reliable, tested, and actively maintained tooling for production workloads. |
Star History
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+47
STARS · LAST 30 DAYS
2
PER DAY
#573
MOST-STARRED Go
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +14 | +47 | +180 |
| Per day | 2 | 2 | 2 |
| Forks gained | +1 | +3 | +10 |
ytt gained 47 stars in the last 30 days, about 2 a day, and now has 1.9K. It is about 8 years old and has averaged roughly 236 stars a year. It ranks #573 among Go repositories and #4,508 across all languages on GitHubRepo.
Trending Record
7
DAYS ON TRENDING
#6111
BEST RANK
Oct 14, 2026
FIRST APPEARANCE
Active
STATUS TODAY
ytt has maintained a continuous presence across global trending indexes, peaking at #6111. Below is the 30-day activity profile:
💡 Overview
ytt is an open-source project written in Go: YAML templating tool that works on YAML structure instead of text.
Engineered for speed, consistency, and developer ease, it solves common hurdles in carvel, cli, configuration. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Go for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ go install github.com/carvel-dev/ytt@latest⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Go >= 1.21 runtime environment
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
ytt coordinates its core functionality through a modular Go pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Command-Line Automation
Execute automated build, deployment, and maintenance tasks directly from the terminal.
CI/CD Workflow Integration
Run non-interactive validation checks in GitHub Actions, GitLab CI, or local pre-commit hooks.
Developer Environment Setup
Standardize local engineering workstations with single-binary utility commands.
Scripting & Pipeline Orchestration
Chain complex multi-stage scripts with reliable error reporting and exits.
🚀 Getting Started
Install ytt using your package manager: `go install github.com/carvel-dev/ytt@latest`
Initialize your project workspace or configuration file for ytt.
Import ytt into your codebase or invoke it directly from your terminal.
Execute your test suite or run `ytt --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Go, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
carvel-dev/ytt is currently ranked #4,508 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #4,503 | bullet-train-co/bullet_train | Ruby | ★ 1.9K | Compare ↗ |
| #4,504 | gkjohnson/three-gpu-pathtracer | JavaScript | ★ 1.9K | Compare ↗ |
| #4,504 | petergpt/bullshit-benchmark | Python | ★ 1.9K | Compare ↗ |
| #4,506 | anddea/revanced-patches | Java | ★ 1.9K | Compare ↗ |
| #4,507 | caolan/nodeunit | JavaScript | ★ 1.9K | Compare ↗ |
| #4,508 | carvel-dev/ytt This Project | Go | ★ 1.9K | |
| #4,508 | tianma-if/edgeever | TypeScript | ★ 1.9K | Compare ↗ |
| #4,510 | Cacti/cacti | PHP | ★ 1.9K | Compare ↗ |
| #4,510 | mandarons/icloud-docker | Python | ★ 1.9K | Compare ↗ |
| #4,512 | loxilb-io/loxilb | Go | ★ 1.9K | Compare ↗ |
| #4,512 | giantpinkrobots/varia | Python | ★ 1.9K | Compare ↗ |
Frequently Asked Questions
What does ytt do? +
YAML templating tool that works on YAML structure instead of text
What language is ytt written in? +
The primary language is Go. Topics include: carvel, cli, configuration, data-structures, devops.
Is ytt actively maintained? +
Yes, the last recorded push was on Oct 14, 2026 with 164 open issues being tracked.
How many stars does ytt have? +
ytt has 1,885 stars and 167 forks on GitHub.
How does ytt rank among GitHub repositories? +
With 1,885 stars, carvel-dev/ytt is ranked #4,508 globally across all repositories tracked on GitHubRepo and #573 among Go projects.
What license is ytt distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
