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kamalfarahani/katharos

A functional programming and concurrency library for Python: algebraic abstractions (Semigroups, Monoids, Functors, Applicatives, Monads), immutable data types, and message-passing concurrency, all designed as composable, type-safe values.

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Python
201
1
2 contributors
MIT License
website
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Momentum

How fast kamalfarahani/katharos 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

Aug 24 – Oct 20, 2026

Stars +128 in 58 days

02040
36

Forks +1 in 58 days

01
1

Merged PRs 4 in 58 days

01
1

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

Not in the Trendshift top 25 in this period

Aug 24Sep 1Sep 9Sep 17Sep 25Oct 3Oct 11Oct 19
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
Mon, Aug 24, 2026+0+10
Tue, Aug 25, 2026+0+00
Wed, Aug 26, 2026+0+00
Thu, Aug 27, 2026+0+00
Fri, Aug 28, 2026+0+00
Sat, Aug 29, 2026+0+01
Sun, Aug 30, 2026+0+00
Mon, Aug 31, 2026+0+00
Tue, Sep 1, 2026+0+00
Wed, Sep 2, 2026+0+00
Thu, Sep 3, 2026+0+00
Fri, Sep 4, 2026+0+00
Sat, Sep 5, 2026+0+00
Sun, Sep 6, 2026+0+01
Mon, Sep 7, 2026+0+00
Tue, Sep 8, 2026+0+00
Wed, Sep 9, 2026+0+00
Thu, Sep 10, 2026+0+00
Fri, Sep 11, 2026+0+00
Sat, Sep 12, 2026+0+00
Sun, Sep 13, 2026+0+00
Mon, Sep 14, 2026+0+00
Tue, Sep 15, 2026+0+00
Wed, Sep 16, 2026+0+00
Thu, Sep 17, 2026+0+00
Fri, Sep 18, 2026+1+00
Sat, Sep 19, 2026+0+00
Sun, Sep 20, 2026+2+00
Mon, Sep 21, 2026+1+00
Tue, Sep 22, 2026+0+00
Wed, Sep 23, 2026+0+00
Thu, Sep 24, 2026+1+00
Fri, Sep 25, 2026+0+00
Sat, Sep 26, 2026+1+00
Sun, Sep 27, 2026+0+00
Mon, Sep 28, 2026+0+00
Tue, Sep 29, 2026+0+00
Wed, Sep 30, 2026+0+00
Thu, Oct 1, 2026+1+00
Fri, Oct 2, 2026+0+00
Sat, Oct 3, 2026+0+00
Sun, Oct 4, 2026+0+00
Mon, Oct 5, 2026+0+00
Tue, Oct 6, 2026+3+01
Wed, Oct 7, 2026+25+00
Thu, Oct 8, 2026+36+01
Fri, Oct 9, 2026+8+00
Sat, Oct 10, 2026+7+00
Sun, Oct 11, 2026+4+00
Mon, Oct 12, 2026+5+00
Tue, Oct 13, 2026+1+00
Wed, Oct 14, 2026+3+00
Thu, Oct 15, 2026+9+00
Fri, Oct 16, 2026+5+00
Sat, Oct 17, 2026+6+00
Sun, Oct 18, 2026+0+00
Mon, Oct 19, 2026+6+00
Tue, Oct 20, 2026+3+00
Total+128+14
  • 1#1 on the list
  • 7Rank that day
  • Not trending

Social mentions

Recent discussions about this repository across the web
  1. Oct 61 post

    • Are you a haskeller forced to program with Python? Use Katharos

      Read full on Reddit

      r/haskell

  2. 2 months earlier
  3. Aug 23 posts

    • Karpathy’s Pelican (

      Read full on X, posted by @betterhn20

      @betterhn20 · x.com

    • Show HN: Katharos Functional programming and CSP-style concurrency for Python

      Read full on Reddit

      r/hypeurls

    • Show HN: Katharos Functional programming and CSP-style concurrency for Python

      Read full on Hacker News

      Hacker News

  4. 1 month earlier
  5. Jun 271 post

    • Handling Errors as Values in Python with Katharos

      Read full on Reddit

      r/Python

  6. Jun 264 posts

    • Katharos: a functional programming and concurrency library for Python where errors, effects, and channel hand-offs are all composable values

      Read full on Reddit

      r/compsci

    • GitHub - kamalfarahani/katharos: A functional programming and concurrency library for Python: algebraic abstractions (Semigroups, Monoids, Functors, Applicatives, Monads), immutable data types, and…

      Read full on Reddit

      r/coolgithubprojects

    • Katharos: a functional programming and concurrency library for Python where errors, effects, and channel hand-offs are all composable values

      Read full on Reddit

      r/madeinpython

    • Katharos: a functional programming and concurrency library for Python where errors, effects, and channel hand-offs are all composable values

      Read full on Reddit

      r/PythonProjects2

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