grimme-lab/xtb
Semiempirical Extended Tight-Binding Program Package
⚡ Executive Summary & Quick Facts
Authoritative Sourcextb is xtb is an open-source project written in Fortran: Semiempirical Extended Tight-Binding Program Package..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), grimme-lab/xtb has accumulated 876 GitHub stars and 217 forks. It is written in Fortran, licensed under LGPL-3.0, and ranks #9,282 globally. It is actively maintained with the latest commit recorded on Nov 4, 2026.”
| Repository | grimme-lab/xtb ↗ |
|---|---|
| Primary Category | atomistic simulations |
| Language & Stack | Fortran |
| Software License | LGPL-3.0 |
| Community Traction | ★ 876 stars · ⑂ 217 forks · #9,282 globally |
| Maintenance | ● Active (Last commit: Nov 4, 2026) · 105 open issues |
| Target Audience | Developers and engineering teams building with Fortran, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 97/100 · Grade A+Yes, xtb is actively maintained. Continuous telemetry recorded the last code commit on Nov 4, 2026 (8 days ago). Supported by 876 stars and 217 community forks, this repository holds a calculated health index of 97/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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+22
STARS · LAST 30 DAYS
1
PER DAY
#2
MOST-STARRED Fortran
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +22 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +4 | +11 |
xtb gained 22 stars in the last 30 days, about 1 a day, and now has 876. It is about 7 years old and has averaged roughly 125 stars a year. It ranks #2 among Fortran repositories and #9,282 across all languages on GitHubRepo.
Trending Record
6
DAYS ON TRENDING
#11831
BEST RANK
Nov 4, 2026
FIRST APPEARANCE
Active
STATUS TODAY
xtb has maintained a continuous presence across global trending indexes, peaking at #11831. Below is the 30-day activity profile:
💡 Overview
xtb is an open-source project written in Fortran: Semiempirical Extended Tight-Binding Program Package.
Engineered for speed, consistency, and developer ease, it solves common hurdles in atomistic-simulations, computational-chemistry, force-field. 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 Fortran 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
$ git clone https://github.com/grimme-lab/xtb.git
cd xtb⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Fortran environment and standard tooling
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
xtb coordinates its core functionality through a modular Fortran 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
Production System Integration
Embed xtb into Fortran backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open LGPL-3.0 license.
🚀 Getting Started
Install xtb using your package manager: `git clone https://github.com/grimme-lab/xtb.git`
Initialize your project workspace or configuration file for xtb.
Import xtb into your codebase or invoke it directly from your terminal.
Execute your test suite or run `xtb --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Fortran, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
grimme-lab/xtb is currently ranked #9,282 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #9,277 | agnat/node_mdns | JavaScript | ★ 877 | Compare ↗ |
| #9,277 | rubocop/rubocop-rails | Ruby | ★ 877 | Compare ↗ |
| #9,277 | microsoft/CCF | C++ | ★ 877 | Compare ↗ |
| #9,277 | Olen/homeassistant-plant | Python | ★ 877 | Compare ↗ |
| #9,277 | wasi-master/wmkeyboard | Kotlin | ★ 877 | Compare ↗ |
| #9,282 | grimme-lab/xtb This Project | Fortran | ★ 876 | |
| #9,282 | getfatday/keytool-importkeypair | Shell | ★ 876 | Compare ↗ |
| #9,282 | zblogcn/zblogphp | PHP | ★ 876 | Compare ↗ |
| #9,282 | spatie/phpunit-watcher | PHP | ★ 876 | Compare ↗ |
| #9,282 | ruby/ruby.wasm | Ruby | ★ 876 | Compare ↗ |
| #9,282 | mpvRex/REX-Player | Kotlin | ★ 876 | Compare ↗ |
Frequently Asked Questions
What does xtb do? +
Semiempirical Extended Tight-Binding Program Package
Is xtb actively maintained in 2026? +
Yes, xtb is actively maintained. The latest code push was recorded on Nov 4, 2026 (8 days ago). It holds a calculated Maintenance Health Score of 97/100 (A+ rating) with 876 stars and 105 open issues.
What language is xtb written in? +
The primary language is Fortran. Topics include: atomistic-simulations, computational-chemistry, force-field, quantum-chemistry, tight-binding.
How many stars does xtb have? +
xtb has 876 stars and 217 forks on GitHub.
How does xtb rank among GitHub repositories? +
With 876 stars, grimme-lab/xtb is ranked #9,282 globally across all repositories tracked on GitHubRepo and #2 among Fortran projects.
What license is xtb distributed under? +
The repository reports a LGPL-3.0 license. Always verify the repository LICENSE file for legal terms.
