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checkstyle/checkstyle

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.

#Static analysis
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Java
9.6k
4.4k
549 contributors
GNU Lesser General Public License v2.1
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AchievementsView all →
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Momentum

How fast checkstyle/checkstyle is gaining stars, and where it lands on Trendshift and GitHub Trending

Activity and trending

Stars, forks and merged pull requests each day or month, lined up with the repository's rank on Trendshift Trending

Sep 5 – Nov 4, 2026

Stars +109 in 61 days

051015
13

Forks +156 in 61 days

051015
13

Merged PRs 625 in 61 days

02040
37

Trendshift Trendingwhere the repository ranked each day it made the top 25

Not in the Trendshift top 25 in this period

Sep 5Sep 13Sep 21Sep 29Oct 7Oct 15Oct 23Oct 31
The left and right arrow keys step from day to day; Home and End go to the first and the last

Stars, forks, merged pull requests and Trendshift Trending rank, by day
DayStars gainedForks gainedMerged PRs
Sat, Sep 5, 2026+12+112
Sun, Sep 6, 2026+13+47
Mon, Sep 7, 2026+6+135
Tue, Sep 8, 2026+3+014
Wed, Sep 9, 2026+3+114
Thu, Sep 10, 2026+4+112
Fri, Sep 11, 2026+0+42
Sat, Sep 12, 2026+0+17
Sun, Sep 13, 2026+0+29
Mon, Sep 14, 2026+0+05
Tue, Sep 15, 2026+0+011
Wed, Sep 16, 2026+2+110
Thu, Sep 17, 2026+1+29
Fri, Sep 18, 2026+3+110
Sat, Sep 19, 2026+0+613
Sun, Sep 20, 2026+0+27
Mon, Sep 21, 2026+0+25
Tue, Sep 22, 2026+1+210
Wed, Sep 23, 2026+2+17
Thu, Sep 24, 2026+1+08
Fri, Sep 25, 2026+1+211
Sat, Sep 26, 2026+0+212
Sun, Sep 27, 2026+1+315
Mon, Sep 28, 2026+4+11
Tue, Sep 29, 2026+0+08
Wed, Sep 30, 2026+5+24
Thu, Oct 1, 2026+0+23
Fri, Oct 2, 2026+3+06
Sat, Oct 3, 2026+3+312
Sun, Oct 4, 2026+1+44
Mon, Oct 5, 2026+0+31
Tue, Oct 6, 2026+2+22
Wed, Oct 7, 2026+1+210
Thu, Oct 8, 2026+0+45
Fri, Oct 9, 2026+0+315
Sat, Oct 10, 2026+1+09
Sun, Oct 11, 2026+2+112
Mon, Oct 12, 2026+1+24
Tue, Oct 13, 2026+3+52
Wed, Oct 14, 2026+1+515
Thu, Oct 15, 2026+2+528
Fri, Oct 16, 2026+2+46
Sat, Oct 17, 2026+3+323
Sun, Oct 18, 2026+3+517
Mon, Oct 19, 2026+2+40
Tue, Oct 20, 2026+2+118
Wed, Oct 21, 2026+1+411
Thu, Oct 22, 2026+1+220
Fri, Oct 23, 2026+1+38
Sat, Oct 24, 2026+1+521
Sun, Oct 25, 2026+3+315
Mon, Oct 26, 2026+1+45
Tue, Oct 27, 2026+3+516
Wed, Oct 28, 2026+0+015
Thu, Oct 29, 2026+3+713
Fri, Oct 30, 2026+0+02
Sat, Oct 31, 2026+1+237
Sun, Nov 1, 2026+0+317
Mon, Nov 2, 2026+0+417
Tue, Nov 3, 2026+0+18
Wed, Nov 4, 2026+0+10
Total+109+156625
  • 1#1 on the list
  • 7Rank that day
  • Not trending
1

    • GitHub trending history

    Where the repository ranked on GitHub Trending, one dot for each day it was on a list

    Aug 30 – Aug 31, 2026Best #8

    #1#5#10#15#20#25
    Top 10
    Oct 2023AprOctAprOctAprOct
    The left and right arrow keys step from day to day; Home and End go to the first and the last

    Mentions and achievements

    Where people are talking about checkstyle/checkstyle, and every badge it has earned
    1. Oct 51 post

      • • Supports Google Java Style and Sun Code Conventions • Runs from command line or as an ANT task • Highly configurable to match your own rules

        Read full on X, posted by @the_osps

        @the_osps · x.com

    2. 1 month earlier
    3. Sep 11 post

      • checkstyle/checkstyle: Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code…

        Read full on X, posted by @ChrisShort

        @ChrisShort · x.com

    4. Aug 312 posts

      • checkstyle/checkstyle: Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code…

        Read full on Reddit

        r/devopsish

      • 规范写得再漂亮，落不到构建里，最后还是靠评审者当人肉扫描器。 Checkstyle 把 Java 编码约定变成可执行的静态检查，内置 Google 和 Sun 规范，也能按团队规则细调并接入命令行或 Ant。新版本还在补齐模块声明、Javadoc、未使用私有字段等边角。真正省下的，是反复挑格式、争约定和漏查问题的成本。

        Read full on X, posted by @vintcessun

        @vintcessun · x.com

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