head to head · open source
Mermaid vs Apache Pinot
Mermaid has 90,981 GitHub stars, 9,444 forks, 1,781 open issues and last shipped yesterday. Apache Pinot has 6,171 stars, 1,529 forks, 1,403 open issues and last shipped yesterday. Mermaid leads on adoption by 1,374% (90,981 vs 6,171 stars). Mermaid is written in TypeScript under MIT; Apache Pinot is written in Java under Apache-2.0. Mermaid has attracted 10% as many forks as stars, Apache Pinot 25%. Mermaid was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Mermaid | Apache Pinot | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 6.2K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 9.4K | ⑂ 1.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Mermaid if
- You weight community size — 91K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Apache Pinot if
- You want the Apache Pinot feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and Apache Pinot fits your workflow better
About Mermaid
Mermaid Generate diagrams from Markdown like text. Live Editor! 📖 Documentation 🚀 Getting Started 🌐 CDN 🙌 Join Us 简体中文 Try Live Editor previews of future releases: Develop Next :trophy: Mermaid was nominated and won the JS Open Source Awards (2019) in the category "The most exciting use of technology"!!! Thanks to all involved, people committing pull requests, people answering questions! 🙏 Table of content Expand contents About Examples Release Related projects Contributors Security and safe diagrams Reporting vulnerabilities Appreciation About Mermaid is a JavaScript based diagramming and charting tool…
read the full Mermaid overview →
About Apache Pinot
What is Apache Pinot? Features When should I use Pinot? Contributing to Pinot Apache Pinot YouTube Channel Building Pinot Deploying Pinot to Kubernetes Join the Community Documentation License What is Apache Pinot? Apache Pinot is a real time distributed OLAP datastore, built to deliver scalable real time analytics with low latency. It can ingest from batch data sources (such as Hadoop HDFS, Amazon S3, Azure ADLS, Google Cloud Storage) as well as stream data sources (such as Apache Kafka). Pinot was built by engineers at LinkedIn and Uber and is designed to scale up and out with no upper bound. Performance…
read the full Apache Pinot overview →
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Frequently asked questions
Is Mermaid or Apache Pinot more popular?
Mermaid has 90,981 GitHub stars and Apache Pinot has 6,171. Mermaid has the larger community by that measure.
Are Mermaid and Apache Pinot free?
Both are open source. Mermaid is licensed under MIT and Apache Pinot under Apache-2.0. Neither carries a licence fee.
What is the difference between Mermaid and Apache Pinot?
Mermaid is written in TypeScript and Apache Pinot in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Mermaid or Apache Pinot?
Choose Mermaid if you want the larger community (90,981 stars) or its MIT licence terms. Choose Apache Pinot if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.