opentripplanner/OpenTripPlanner
An open source multi-modal trip planner
Star History
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+69
STARS · LAST 30 DAYS
2
PER DAY
#219
MOST-STARRED Java
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +69 | +180 |
| Per day | 1 | 2 | 2 |
| Forks gained | +1 | +23 | +57 |
OpenTripPlanner gained 69 stars in the last 30 days, about 2 a day, and now has 2.7K. It is about 15 years old and has averaged roughly 183 stars a year. It ranks #219 among Java repositories and #2,860 across all languages on GitHubRepo.
Trending Record
63
DAYS ON TRENDING
#100
BEST RANK
Jul 18, 2011
FIRST APPEARANCE
Active
STATUS TODAY
OpenTripPlanner has maintained a continuous presence across global trending indexes, peaking at #100. Below is the 30-day activity profile:
💡 Overview
OpenTripPlanner is an open-source project written in Java: An open source multi-modal trip planner.
Engineered for speed, consistency, and developer ease, it solves common hurdles in Java. 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 Java 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/opentripplanner/OpenTripPlanner.git
cd OpenTripPlanner⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
JDK 17 or higher (OpenJDK / GraalVM)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
OpenTripPlanner coordinates its core functionality through a modular Java 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 OpenTripPlanner into Java 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 NOASSERTION license.
🚀 Getting Started
Install OpenTripPlanner using your package manager: `git clone https://github.com/opentripplanner/OpenTripPlanner.git`
Initialize your project workspace or configuration file for OpenTripPlanner.
Import OpenTripPlanner into your codebase or invoke it directly from your terminal.
Execute your test suite or run `OpenTripPlanner --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Java, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
opentripplanner/OpenTripPlanner is currently ranked #2,860 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #2,854 | OffGridPete/Fieldwatch | Kotlin | ★ 2.8K | Compare ↗ |
| #2,856 | msys2/MINGW-packages | Shell | ★ 2.8K | Compare ↗ |
| #2,857 | openfrontio/OpenFrontIO | TypeScript | ★ 2.7K | Compare ↗ |
| #2,858 | mojolicious/mojo | Perl | ★ 2.7K | Compare ↗ |
| #2,858 | redbadger/crux | Rust | ★ 2.7K | Compare ↗ |
| #2,860 | opentripplanner/OpenTripPlanner This Project | Java | ★ 2.7K | |
| #2,860 | microsoft/clarity | TypeScript | ★ 2.7K | Compare ↗ |
| #2,861 | getnikola/nikola | Python | ★ 2.7K | Compare ↗ |
| #2,862 | libkrun/libkrun | Rust | ★ 2.7K | Compare ↗ |
| #2,863 | Armur-Ai/Pentest-Swarm-AI | Go | ★ 2.7K | Compare ↗ |
| #2,863 | rails/bootsnap | Ruby | ★ 2.7K | Compare ↗ |
Frequently Asked Questions
What does OpenTripPlanner do? +
An open source multi-modal trip planner
What language is OpenTripPlanner written in? +
The primary language is Java. Topics include: software.
Is OpenTripPlanner actively maintained? +
Yes, the last recorded push was on Oct 1, 2026 with 151 open issues being tracked.
How many stars does OpenTripPlanner have? +
OpenTripPlanner has 2,747 stars and 1,138 forks on GitHub.
How does OpenTripPlanner rank among GitHub repositories? +
With 2,747 stars, opentripplanner/OpenTripPlanner is ranked #2,860 globally across all repositories tracked on GitHubRepo and #219 among Java projects.
What license is OpenTripPlanner distributed under? +
The repository reports a NOASSERTION license. Always verify the repository LICENSE file for legal terms.
