head to head · open source
ioredis vs Apache Druid
ioredis has 15,339 GitHub stars, 1,251 forks, 202 open issues and last shipped 4 days ago. Apache Druid has 14,054 stars, 3,789 forks, 784 open issues and last shipped yesterday. ioredis leads on adoption by 9% (15,339 vs 14,054 stars). ioredis is written in TypeScript under MIT; Apache Druid is written in Java under Apache-2.0. ioredis has attracted 8% as many forks as stars, Apache Druid 27%. Apache Druid 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
| ioredis | Apache Druid | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 14K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-09-14 | 2026-09-17 |
| Forks | ⑂ 1.3K | ⑂ 3.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ioredis if
- You weight community size — 15K 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 Druid if
- You want the Apache Druid 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 Druid fits your workflow better
About ioredis
ioredis is a robust, performance focused and full featured Redis client for Node.js, written entirely in TypeScript and released under the MIT licence, intended for Node.js developers and platform teams that need their applications to talk to Redis reliably.
read the full ioredis overview →
About Apache Druid
Apache Druid is a high performance, open source real time analytics database written in Java and licensed under Apache 2.0, built for teams that need sub second OLAP queries and fast ingest for UIs, operational queries, and high concurrency workloads.
read the full Apache Druid overview →
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Frequently asked questions
Is ioredis or Apache Druid more popular?
ioredis has 15,339 GitHub stars and Apache Druid has 14,054. ioredis has the larger community by that measure.
Are ioredis and Apache Druid free?
Both are open source. ioredis is licensed under MIT and Apache Druid under Apache-2.0. Neither carries a licence fee.
What is the difference between ioredis and Apache Druid?
ioredis is written in TypeScript and Apache Druid 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, ioredis or Apache Druid?
Choose ioredis if you want the larger community (15,339 stars) or its MIT licence terms. Choose Apache Druid if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.