Show HN: Git Heat Map – a tool for visualising Git repo activity for each file

This page summarizes the projects mentioned and recommended in the original post on news.ycombinator.com

SurveyJS - Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App
With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
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InfluxDB - Power Real-Time Data Analytics at Scale
Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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  • Git-Heat-Map

    Visualise a git repository by diff activity

  • I experimented earlier to push the limits of SQLite inserts and wrote a blog post[0] about it. We can apply some of the learnings here.

    I reviewed the OP's code and did some benchmarks; SQLite is not the bottleneck here. The code first generates the commit info from the git log, prints that to stdin [1] and the python script reads from it one by one in a loop [2]. Each of the commit info is written to SQLite. So, with or without WAL, the time is almost the same.

    I believe the git log will be fast anyway, so other ways to make it faster would be to read a bunch of commits at once and then do batch inserts. We can also make it run in parallel since each commit info is independent, and we don't need to care about ordering while inserting.

    [0] - https://avi.im/blag/2021/fast-sqlite-inserts/

    [1] - https://github.com/jmforsythe/Git-Heat-Map/blob/bd9bc22/git-...

    [2] - https://github.com/jmforsythe/Git-Heat-Map/blob/bd9bc22/git-...

  • codebase-visualizer-action

    Visualize your codebase during CI.

  • If you think this is useful, you might also like codeatlas.dev and its Github Action (https://github.com/codeatlasHQ/codebase-visualizer-action). It currently does not support per-contributor activity, but we put a lot of effort into making the diagrams beautiful to look at and the basic approach of using treemaps for visualisation seems very similar. In fact, could be cool to collaborate on this, DM me if interested!

    https://codeatlas.dev

  • SurveyJS

    Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

    SurveyJS logo
  • jtree

    Build your own language using Tree Notation.

  • Don't have time to install but I would pay $10 in NEAR coin if you can email or post the results of my repos to me ([email protected]):

    https://github.com/breck7/jtree and https://github.com/breck7/pldb

  • pldb

    PLDB: a Programming Language Database. A computable encyclopedia about programming languages.

  • Don't have time to install but I would pay $10 in NEAR coin if you can email or post the results of my repos to me ([email protected]):

    https://github.com/breck7/jtree and https://github.com/breck7/pldb

  • Gource

    software version control visualization

  • This is cool. The visualization reminds me of the visualization of QDirStat/WinDirStat.

    Also shout out to the (mostly useless but cool looking) git history visualizer, Gource[0].

    https://gource.io/

  • nixpkgs

    Nix Packages collection & NixOS

  • Looks useful on big repositories!

    https://github.com/nixos/nixpkgs/ would be a great benchmark for a tool like this :) One of the larger repos on github, close to half a million commits by a large set of contributors to thousands of files.

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