CelestiaProject/Celestia
Real-time 3D visualization of space.
⚡ Executive Summary & Quick Facts
Authoritative SourceCelestia is Celestia is an open-source project written in C++: Real-time 3D visualization of space..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of October 2026), CelestiaProject/Celestia has accumulated 2,387 GitHub stars and 364 forks. It is written in C++, licensed under GPL-2.0, and ranks #4,322 globally. It is actively maintained with the latest commit recorded on Oct 25, 2026.”
| Repository | CelestiaProject/Celestia ↗ |
|---|---|
| Primary Category | astronomy |
| Language & Stack | C++ |
| Software License | GPL-2.0 |
| Community Traction | ★ 2.4K stars · ⑂ 364 forks · #4,322 globally |
| Maintenance | ● Active (Last commit: Oct 25, 2026) · 145 open issues |
| Target Audience | Developers and engineering teams building with C++, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 97/100 · Grade A+Yes, Celestia is actively maintained. Continuous telemetry recorded the last code commit on Oct 25, 2026 (5 days ago). Supported by 2,387 stars and 364 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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+60
STARS · LAST 30 DAYS
2
PER DAY
#329
MOST-STARRED C++
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +14 | +60 | +180 |
| Per day | 2 | 2 | 2 |
| Forks gained | +2 | +7 | +18 |
Celestia gained 60 stars in the last 30 days, about 2 a day, and now has 2.4K. It is about 10 years old and has averaged roughly 239 stars a year. It ranks #329 among C++ repositories and #4,322 across all languages on GitHubRepo.
Trending Record
4
DAYS ON TRENDING
#7595
BEST RANK
Oct 26, 2026
FIRST APPEARANCE
Active
STATUS TODAY
Celestia has maintained a continuous presence across global trending indexes, peaking at #7595. Below is the 30-day activity profile:
💡 Overview
Celestia is an open-source project written in C++: Real-time 3D visualization of space.
Engineered for speed, consistency, and developer ease, it solves common hurdles in astronomy, celestia, educational. 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 C++ 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/CelestiaProject/Celestia.git
cd Celestia⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
C++20 compliant compiler (GCC 11+, Clang 13+, MSVC)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
Celestia coordinates its core functionality through a modular C++ 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 Celestia into C++ 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 GPL-2.0 license.
🚀 Getting Started
Install Celestia using your package manager: `git clone https://github.com/CelestiaProject/Celestia.git`
Initialize your project workspace or configuration file for Celestia.
Import Celestia into your codebase or invoke it directly from your terminal.
Execute your test suite or run `Celestia --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with C++, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
CelestiaProject/Celestia is currently ranked #4,322 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #4,317 | AcademySoftwareFoundation/OpenImageIO | C++ | ★ 2.4K | Compare ↗ |
| #4,317 | idaholab/moose | C++ | ★ 2.4K | Compare ↗ |
| #4,317 | home-assistant/iOS | Swift | ★ 2.4K | Compare ↗ |
| #4,317 | VictoriaMetrics/VictoriaLogs | Go | ★ 2.4K | Compare ↗ |
| #4,317 | oxc-project/tsrs | Rust | ★ 2.4K | Compare ↗ |
| #4,322 | CelestiaProject/Celestia This Project | C++ | ★ 2.4K | |
| #4,323 | anycable/anycable | Go | ★ 2.4K | Compare ↗ |
| #4,323 | Player-YN/BrowserKitten | JavaScript | ★ 2.4K | Compare ↗ |
| #4,325 | apache/geode | Java | ★ 2.4K | Compare ↗ |
| #4,325 | velopack/velopack | C# | ★ 2.4K | Compare ↗ |
| #4,325 | cortexkit/magic-context | TypeScript | ★ 2.4K | Compare ↗ |
Frequently Asked Questions
What does Celestia do? +
Real-time 3D visualization of space.
Is Celestia actively maintained in 2026? +
Yes, Celestia is actively maintained. The latest code push was recorded on Oct 25, 2026 (5 days ago). It holds a calculated Maintenance Health Score of 97/100 (A+ rating) with 2,387 stars and 145 open issues.
What language is Celestia written in? +
The primary language is C++. Topics include: astronomy, celestia, educational, free-software, open-source.
How many stars does Celestia have? +
Celestia has 2,387 stars and 364 forks on GitHub.
How does Celestia rank among GitHub repositories? +
With 2,387 stars, CelestiaProject/Celestia is ranked #4,322 globally across all repositories tracked on GitHubRepo and #329 among C++ projects.
What license is Celestia distributed under? +
The repository reports a GPL-2.0 license. Always verify the repository LICENSE file for legal terms.
