Cython Python

Open-source Cython projects categorized as Python

Top 17 Cython Python Projects

  • uvloop

    Ultra fast asyncio event loop.

    Project mention: will requests-html library work as selenium | /r/Python | 2023-02-13

    If you're looking for maximum requests per second you can change the asyncio event loop with one like UVLoop.

  • ta-lib-python

    Python wrapper for TA-Lib (

    Project mention: Why is my RSI coming up incorrect? | /r/IndianStreetBets | 2023-06-08

    One such excellent Python library is TA-Lib. (

  • InfluxDB

    Collect and Analyze Billions of Data Points in Real Time. Manage all types of time series data in a single, purpose-built database. Run at any scale in any environment in the cloud, on-premises, or at the edge.

  • PyAV

    Pythonic bindings for FFmpeg's libraries.

    Project mention: need advice on what frameworks to use w ffmpeg | /r/ffmpeg | 2022-11-25

    Personally I would recommend using the PYAV bindings directly, if you want any sort of control over different codecs, profiles, pixel formats etc.

  • pyimgui

    Cython-based Python bindings for dear imgui

    Project mention: 29 March 2023 - Daily Chat Thread | /r/indonesia | 2023-03-28
  • selectolax

    Python binding to Modest and Lexbor engines (fast HTML5 parser with CSS selectors).

    Project mention: GitHub – GSA/code-gov: An informative repo for all repos | | 2023-09-09 )

    (Apache Nutch is a Java-based web crawler which supports e.g. CommonCrawl (which backs various foundational LLMs)) . But extruct extracts more types of metadata and data than Nutch AFAIU: )

    datasette-graphql adds a GraphQL HTTP API to a SQLite database:

  • PySCIPOpt

    Python interface for the SCIP Optimization Suite

    Project mention: GitHub - scipopt/PySCIPOpt: Python interface for the SCIP Optimization Suite | /r/Python | 2023-04-29
  • youbit

    Host any type of file on YouTube

    Project mention: noise is not wasting enough of reddit's storage (only ~13MB/video). so i uploaded Big Buck Bunny, in 4K | /r/actualwhitenoise | 2023-06-18

    There are even tools that can encode any file into video, so you can use reddit as free storage (kinda). [1] [2] [3] [4] [5]

  • Mergify

    Tired of breaking your main and manually rebasing outdated pull requests?. Managing outdated pull requests is time-consuming. Mergify's Merge Queue automates your pull request management & merging. It's fully integrated to GitHub & coordinated with any CI. Start focusing on code. Try Mergify for free.

  • MACS

    MACS -- Model-based Analysis of ChIP-Seq

    Project mention: Can i cluster or PCA ChIP peak score from different TFs to see which TFs have similar targets? | /r/bioinformatics | 2023-06-14

    Maybe not? Have a look at this:

  • cymem

    💥 Cython memory pool for RAII-style memory management

  • python-rtmidi

    Python bindings for the cross-platform MIDI I/O library RtMidi

    Project mention: .mid to .syx file converter? | /r/synthesizers | 2023-05-18

    The is a module rtMidi which makes things easy...

  • erlpack

    High Performance Erlang Term Format Packer

  • kloop

    OFFICIAL MIRROR. An asyncio event loop using Linux io_uring and kTLS.


    Python wrappers for SymEngine

  • pyrodigal

    Cython bindings and Python interface to Prodigal, an ORF finder for genomes and metagenomes. Now with SIMD!

    Project mention: DNA to amino acid sequence? | /r/bioinformatics | 2023-06-19

    True! I believe bakta relies on this python implementation of prodigal for translation

  • preshed

    💥 Cython hash tables that assume keys are pre-hashed

    Project mention: Is anyone using PyPy for real work? | | 2023-07-31

    If you have very large dicts, you might find this hash table I wrote for spaCy helpful: . You need to key the data with 64-bit keys. We use this wrapper around murmurhash for it:

    There's no docs so obviously this might not be for you. But the software does work, and is efficient. It's been executed many many millions of times now.

  • chatnoir-resiliparse

    A robust web archive analytics toolkit

    Project mention: Selenium over scrapy | /r/Python | 2023-05-04

    bs4 is a little slow, try, it's faster for working with the dom written in cython and based on lexbor (written in C and very fast)

  • tenforce

    Type enforcement for Python

    Project mention: Tenforce - Type enforcement for Python | /r/Python | 2023-05-23
  • SonarLint

    Clean code begins in your IDE with SonarLint. Up your coding game and discover issues early. SonarLint is a free plugin that helps you find & fix bugs and security issues from the moment you start writing code. Install from your favorite IDE marketplace today.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-09-09.

Cython Python related posts


What are some of the best open-source Python projects in Cython? This list will help you:

Project Stars
1 uvloop 9,543
2 ta-lib-python 8,249
3 PyAV 1,977
4 pyimgui 1,122
5 selectolax 866
6 PySCIPOpt 669
7 youbit 641
8 MACS 638
9 cymem 432
10 python-rtmidi 311
11 erlpack 212
12 kloop 183
13 149
14 pyrodigal 99
15 preshed 79
16 chatnoir-resiliparse 32
17 tenforce 1
Clean code begins in your IDE with SonarLint
Up your coding game and discover issues early. SonarLint is a free plugin that helps you find & fix bugs and security issues from the moment you start writing code. Install from your favorite IDE marketplace today.