head to head · open source
CrateDB vs tagreader
CrateDB has 4,449 GitHub stars, 621 forks, 332 open issues and last shipped 2 days ago. tagreader has 1,623 stars, 219 forks, 48 open issues and last shipped 6 months ago. CrateDB leads on adoption by 174% (4,449 vs 1,623 stars). CrateDB is written in Java under Apache-2.0; tagreader is written in Shell under GPL-3.0. CrateDB has attracted 14% as many forks as stars, tagreader 13%. CrateDB 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
| CrateDB | tagreader | |
|---|---|---|
| GitHub stars | ★ 4.4K | ★ 1.6K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Java | Shell |
| Last push | 2026-11-05 | 2026-04-27 |
| Forks | ⑂ 621 | ⑂ 219 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick CrateDB if
- You weight community size — 4.4K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick tagreader if
- You want the tagreader feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Shell
- You evaluated both and tagreader fits your workflow better
About CrateDB
.. image:: docs/ static/crate logo.svg :alt: CrateDB :target: .. image:: :target: .. image:: :target: .. image:: :target: Help us improve CrateDB by taking our User Survey! About ===== CrateDB is a distributed SQL database that makes it simple to store and analyze massive amounts of data in real time. CrateDB offers the benefits of an SQL database and the scalability and flexibility typically associated with NoSQL databases. Modest CrateDB clusters can ingest tens of thousands of records per second without breaking a sweat. You can run ad hoc queries using standard SQL . CrateDB's blazing fast distributed query…
read the full CrateDB overview →
About tagreader
Tag Reader for Home Assistant The tag reader is a simple to build/use NFC tag reader, specially created for Home Assistant. It is using a D1 mini ESP 8266 and the PN532 NFC module. The firmware is built using ESPhome. I am selling a pre built version, a DIY version (assembly required), or just the case (use with own components). Check it out on my website. Building the tag reader To build your own tag reader, you need the following components: ESP8266 D1 Mini PN532 NFC Reader WS2812 Buzzer The 3D models for the case are here. WARNING regarding AZdelivery D1. We have had several users contacting us with different…
read the full tagreader overview →
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Frequently asked questions
Is CrateDB or tagreader more popular?
CrateDB has 4,449 GitHub stars and tagreader has 1,623. CrateDB has the larger community by that measure.
Are CrateDB and tagreader free?
Both are open source. CrateDB is licensed under Apache-2.0 and tagreader under GPL-3.0. Neither carries a licence fee.
What is the difference between CrateDB and tagreader?
CrateDB is written in Java and tagreader in Shell. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, CrateDB or tagreader?
Choose CrateDB if you want the larger community (4,449 stars) or its Apache-2.0 licence terms. Choose tagreader if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.