Source: https://seerepo.com/compare/kekingcn/kkFileView/vs/thingsboard/thingsboard
Markdown source: https://seerepo.com/compare/kekingcn/kkFileView/vs/thingsboard/thingsboard.md
Description: kkFileView and thingsboard share 5 technologies: Spring, Redis, RocksDB, org.apache.pdfbox:pdfbox, and org.springframework.boot:spring-boot-starter-actuator. kkFileView is written in JavaScript and thingsboard in Java.

# kkFileView vs thingsboard

kkFileView and thingsboard share 5 technologies: Spring, Redis, RocksDB, org.apache.pdfbox:pdfbox, and org.springframework.boot:spring-boot-starter-actuator. kkFileView is written in JavaScript and thingsboard in Java.

- [kekingcn/kkFileView](https://seerepo.com/r/kekingcn/kkFileView): Universal File Online Preview Project based on Spring-Boot
- [thingsboard/thingsboard](https://seerepo.com/r/thingsboard/thingsboard): All-in-one IoT Platform - Device management, data collection, processing and visualization.

## What they share and what sets them apart

- In common: Spring, Redis, RocksDB, org.apache.pdfbox:pdfbox, org.springframework.boot:spring-boot-starter-actuator
- Only in kkFileView: redisson, jai-imageio-core, jai-imageio-jpeg2000, jbig2-imageio, junrar, pdfbox-tools, poi-ooxml, poi-scratchpad, spring-boot-starter-freemarker, org.apache.poi:poi, net.sf.sevenzipjbinding:sevenzipjbinding
- Only in thingsboard: org.springframework.boot:spring-boot-starter-web, curator-recipes, jedis, org.springframework.data:spring-data-redis, PostgreSQL, com.github.ben-manes.caffeine:caffeine, Postgres, org.apache.zookeeper:zookeeper, Kafka, Google, grpc-services, org.apache.tomcat.embed:tomcat-embed-websocket, tomcat-embed-core, tomcat-embed-el, Express, Angular, org.springframework.data:spring-data-commons, org.springframework.boot:spring-boot-starter-data-jpa, org.springframework.boot:spring-boot-starter-security, spring-security-oauth2-client, com.auth0:java-jwt, metadata-extractor, Apache, org.freemarker:freemarker, jakarta.validation:jakarta.validation-api, Hibernate, commons-logging, log4j-over-slf4j, micrometer-registry-prometheus, io.micrometer:micrometer-core, org.slf4j:slf4j-api, ch.qos.logback:logback-core, ch.qos.logback:logback-classic, winston, winston-daily-rotate-file, Tailwind CSS, Leaflet, ace-builds, echarts, SVG.js, MapLibre, screenfull, yaml, qrcode, ngx-markdown, html2canvas, marked

## Side by side

| | kkFileView | thingsboard |
|---|---|---|
| Size | 374,888 lines written, 102 code files | 1,193,655 lines written, 7,795 code files |
| Who writes it | 2.1% of its commits signed by AI. With Codex, GitHub Copilot, and Claude Code | 0.4% of its commits signed by AI. With Claude Code |
| Activity | Last push October 8, 2026, 859 commits, 14,833 stars | Last push November 4, 2026, 19,940 commits, 22,638 stars |
| Tests | 29 test files. 23.5% of its code files have a test that imports them | 1,443 test files. 29.1% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, kkFileView or thingsboard?

thingsboard, with 1,193,655 lines written; kkFileView has 374,888.

The proof: [thingsboard/thingsboard's code at commit e48b578](https://github.com/thingsboard/thingsboard/tree/e48b5780e17b65b78dd0bd7cf5e7805706499abb)

### Which has more GitHub stars, kkFileView or thingsboard?

thingsboard, with 22,638 stars; kkFileView has 14,833.

The proof: [thingsboard/thingsboard on GitHub](https://github.com/thingsboard/thingsboard)

### Which has more tests, kkFileView or thingsboard?

thingsboard, with 1,443 test files; kkFileView has 29.

The proof: [thingsboard/thingsboard's code at commit e48b578](https://github.com/thingsboard/thingsboard/tree/e48b5780e17b65b78dd0bd7cf5e7805706499abb)

### Which was updated more recently, kkFileView or thingsboard?

thingsboard: its last push was on November 4, 2026, and kkFileView's on October 8, 2026.

The proof: [thingsboard/thingsboard's commits on GitHub](https://github.com/thingsboard/thingsboard/commits)

### Which has more commits signed by AI, kkFileView or thingsboard?

kkFileView: an AI signed 2.1% of its commits, with Codex, GitHub Copilot, and Claude Code; in thingsboard, 0.4%.

## Sources

- kekingcn/kkFileView: Read on November 8, 2026, at commit 3b82689 (https://github.com/kekingcn/kkFileView/tree/3b82689a676e8a7e7d3ec4cc0c74de0676b0dac9)
- thingsboard/thingsboard: Read on November 4, 2026, at commit e48b578 (https://github.com/thingsboard/thingsboard/tree/e48b5780e17b65b78dd0bd7cf5e7805706499abb)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.