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pyrefly-org/pyrefly

A fast type checker and language server for Python

#Static analysis
Visit GitHub
Rust
7.2k
634
207 contributors
MIT License
website
AchievementsView all →
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Momentum

How fast pyrefly-org/pyrefly 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 16 – Nov 15, 2026

Stars +240 in 61 days

051015
11

Forks +97 in 61 days

0246
5

Merged PRs 0 in 61 days

01

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

Not in the Trendshift top 25 in this period

Sep 16Sep 24Oct 2Oct 10Oct 18Oct 26Nov 3Nov 11
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
Wed, Sep 16, 2026+7+10
Thu, Sep 17, 2026+1+10
Fri, Sep 18, 2026+3+10
Sat, Sep 19, 2026+7+00
Sun, Sep 20, 2026+8+10
Mon, Sep 21, 2026+4+00
Tue, Sep 22, 2026+3+10
Wed, Sep 23, 2026+3+00
Thu, Sep 24, 2026+2+20
Fri, Sep 25, 2026+11+00
Sat, Sep 26, 2026+0+00
Sun, Sep 27, 2026+6+00
Mon, Sep 28, 2026+0+30
Tue, Sep 29, 2026+10+10
Wed, Sep 30, 2026+3+30
Thu, Oct 1, 2026+2+00
Fri, Oct 2, 2026+6+30
Sat, Oct 3, 2026+1+30
Sun, Oct 4, 2026+2+30
Mon, Oct 5, 2026+1+00
Tue, Oct 6, 2026+3+20
Wed, Oct 7, 2026+3+10
Thu, Oct 8, 2026+11+20
Fri, Oct 9, 2026+7+20
Sat, Oct 10, 2026+6+10
Sun, Oct 11, 2026+2+40
Mon, Oct 12, 2026+3+10
Tue, Oct 13, 2026+7+40
Wed, Oct 14, 2026+2+10
Thu, Oct 15, 2026+4+10
Fri, Oct 16, 2026+3+10
Sat, Oct 17, 2026+1+40
Sun, Oct 18, 2026+9+40
Mon, Oct 19, 2026+8+20
Tue, Oct 20, 2026+1+10
Wed, Oct 21, 2026+3+10
Thu, Oct 22, 2026+6+10
Fri, Oct 23, 2026+4+30
Sat, Oct 24, 2026+7+10
Sun, Oct 25, 2026+9+50
Mon, Oct 26, 2026+6+10
Tue, Oct 27, 2026+4+40
Wed, Oct 28, 2026+6+10
Thu, Oct 29, 2026+8+00
Fri, Oct 30, 2026+2+10
Sat, Oct 31, 2026+0+00
Sun, Nov 1, 2026+3+20
Mon, Nov 2, 2026+3+20
Tue, Nov 3, 2026+5+00
Wed, Nov 4, 2026+1+30
Thu, Nov 5, 2026+4+10
Fri, Nov 6, 2026+0+40
Sat, Nov 7, 2026+1+10
Sun, Nov 8, 2026+1+10
Mon, Nov 9, 2026+3+10
Tue, Nov 10, 2026+2+40
Wed, Nov 11, 2026+3+30
Thu, Nov 12, 2026+0+00
Fri, Nov 13, 2026+4+10
Sat, Nov 14, 2026+0+20
Sun, Nov 15, 2026+5+00
Total+240+970
  • 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

    May 19, 2025Best #13

    #1#5#10#15#20#25
    Top 10
    Jun 2025AugOctDecFebAprJunAug
    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 pyrefly-org/pyrefly, and every badge it has earned
    1. Nov 41 post

      • my PR got merged into meta's pyrefly

        Read full on X, posted by @jny0444

        @jny0444 · x.com

    2. 17 days earlier
    3. Oct 181 post

      • Pyrefly v1.4.0

        Read full on Hacker News

        Hacker News

    4. 1 month earlier
    5. Sep 111 post

      • Pyrefly v1.3.0 released

        Read full on Reddit

        r/Python

    6. 4 months earlier
    7. May 161 post

      • Meta just released something that changes AI coding and nobody's talking about it pyrefly - Meta's Python type checker it checks 1.85 million lines of code per second that's 76x faster than what…

        Read full on X, posted by @0x_Kapoor

        @0x_Kapoor · x.com

    8. May 151 post

      • We got stable TypeScript for python before GTA 6!!

        Read full on X, posted by @t1o6n3y

        @t1o6n3y · x.com

    9. May 141 post

      • I have been waiting for a faster alternative to the standard Python toolchain. Meta just dropped Pyrefly 1.0. It is an open-source type checker and language server designed to scale. Adding it to the…

        Read full on X, posted by @milonspace

        @milonspace · x.com

    10. May 132 posts

      • Pyrefly v1.0 is here! (a fast type checker & language server for Python, written in Rust)

        Read full on Reddit

        r/rust

      • [Ann] Pyrefly v1.0 (fast type checker & language server)

        Read full on Reddit

        r/Python

    11. 11 days earlier
    12. May 21 post

      • Meta's Pyrefly sabotages competing Python extensions without telling you

        Read full on Hacker News

        Hacker News

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