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#performance (30 Repositories)

Ranked open-source repositories tagged with #performance, scored by pull request acceptance likelihood and maintainer engagement velocity.

Topic Avg Merge Rate

91.1%

Avg Review Latency

25.6h

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30 repositories tagged #performance

S TierTypeScript 597

nuxt/fonts

Plug-and-play web font optimization and configuration for Nuxt apps.

95.5%
Merge Rate
<1h
First Review
100%
1st-Timers
2
Maintainers
B TierTypeScript 436

nuxt-modules/fontaine

🔤 Font metric overrides to reduce CLS

95.8%
Merge Rate
5h
First Review
100%
1st-Timers
1
Maintainers
S TierJUJulia 144

JuliaGPU/JACC.jl

CPU/GPU portable array, parallel_for/parallel_reduce in Julia for productive science. Funded by the US DOE Advanced Scientific Computing Research (ASCR).

88.9%
Merge Rate
<1h
First Review
100%
1st-Timers
5
Maintainers
S TierGo 669

Basekick-Labs/arc

Open, SQL-native time-series database for telemetry you need to keep. 34M+ records/sec ingestion, 8M+ rows/sec queries. InfluxDB Line Protocol and Telegraf compatible. Open Parquet on your storage. Single binary. S3/Azure native. Air-gap ready. AGPL-3.0.

96.2%
Merge Rate
1d
First Review
100%
1st-Timers
2
Maintainers
B TierPython 800

ozeranskii/httptap

Rich-powered CLI that breaks each HTTP request into DNS, connect, TLS, wait, and transfer phases with waterfall timelines, compact summaries, or metrics-only output.

100.0%
Merge Rate
<1h
First Review
100%
1st-Timers
1
Maintainers
B TierPython 64

ultralytics/autoimport

Lightweight Python lazy imports that defer module loading to reduce startup time and initial memory use.

82.9%
Merge Rate
<1h
First Review
100%
1st-Timers
1
Maintainers
B TierC++ 366

intel/opencl-intercept-layer

Intercept Layer for Debugging and Analyzing OpenCL Applications

100.0%
Merge Rate
7h
First Review
100%
1st-Timers
1
Maintainers
S TierGo 2.1k

trickstercache/trickster

Open Source HTTP Reverse Proxy Cache and Time Series DB Query Accelerator

86.1%
Merge Rate
5h
First Review
80%
1st-Timers
8
Maintainers
B TierGo 220

Hyperledger-TWGC/tape

A Simple Traffic Generator for Hyperledger Fabric

73.3%
Merge Rate
2h
First Review
100%
1st-Timers
1
Maintainers
A TierJava 13.9k

pinpoint-apm/pinpoint

APM, (Application Performance Management) tool for large-scale distributed systems.

89.8%
Merge Rate
1d
First Review
78%
1st-Timers
8
Maintainers
B TierTypeScript 255

squirrelscan/squirrelscan

The website QA tool for your coding agent. 270+ audit rules across SEO, performance, security, accessibility and agent experience.

87.1%
Merge Rate
2d
First Review
100%
1st-Timers
0
Maintainers
A TierGo 761

parquet-go/parquet-go

High-performance Go package to read and write Parquet files

95.0%
Merge Rate
17h
First Review
100%
1st-Timers
3
Maintainers
B TierGo 243

coregx/coregex

Pure Go production-grade regex engine with SIMD optimizations. Up to 3-3000x+ faster than stdlib.

93.3%
Merge Rate
2h
First Review
0%
1st-Timers
0
Maintainers
A TierGo 199

gma1k/podtrace

eBPF-driven diagnostic tool for Kubernetes applications 🐝

96.1%
Merge Rate
1d
First Review
100%
1st-Timers
2
Maintainers
A TierPython 2.1k

Blazemeter/taurus

Automation-friendly framework for Continuous Testing by

100.0%
Merge Rate
5h
First Review
100%
1st-Timers
4
Maintainers
A TierTypeScript 574

jsdelivr/globalping

A global network of probes to run network tests like ping, traceroute and DNS resolve

100.0%
Merge Rate
22h
First Review
100%
1st-Timers
2
Maintainers
B TierRust 878

ubugeeei-prod/vize

Blazing fast Vue.js Toolchain. Compiler, Linter, Type Checker, Formatter, LSP, Story System, Editor Extensions. This already passed 13k+ test suites, includes real world E2E.

93.8%
Merge Rate
8d
First Review
90%
1st-Timers
1
Maintainers
A TierRust 732

rust-lang/rustc-perf

Website for graphing performance of rustc

83.0%
Merge Rate
15h
First Review
89%
1st-Timers
11
Maintainers
B TierGo 164

nelthaarion/breeze

Breeze — High-Performance Golang Web Framework

95.8%
Merge Rate
4d
First Review
100%
1st-Timers
1
Maintainers
A TierPython 3.3k

modelscope/evalscope

A streamlined and customizable framework for efficient large model (LLM, VLM, AIGC) evaluation and performance benchmarking.

84.4%
Merge Rate
10h
First Review
62%
1st-Timers
39
Maintainers
A TierJava 3.6k

AxonIQ/AxonFramework

Framework for Evolutionary Message-Driven Microservices on the JVM

89.6%
Merge Rate
3d
First Review
79%
1st-Timers
21
Maintainers
A TierC++ 4.0k

uxlfoundation/oneDNN

oneAPI Deep Neural Network Library (oneDNN)

78.7%
Merge Rate
14h
First Review
71%
1st-Timers
58
Maintainers
A TierC++ 1.8k

ada-url/ada

WHATWG-compliant and fast URL parser written in modern C++, part of Internet Archive, Node.js, Clickhouse, Redpanda, Kong, Telegram, Adguard, Datadog and Cloudflare Workers.

76.0%
Merge Rate
7h
First Review
73%
1st-Timers
9
Maintainers
A TierPHP 293

wp-cli/profile-command

Quickly identify what's slow with WordPress

100.0%
Merge Rate
<1h
First Review
100%
1st-Timers
2
Maintainers
A TierC# 8.8k 4 GFIs

itsfatduck/optimizerDuck

Free, open-source Windows optimization tool for performance, privacy, and simplicity.

83.3%
Merge Rate
24h
First Review
100%
1st-Timers
12
Maintainers
A TierGo 11.6k 1 GFIs

grafana/pyroscope

Continuous Profiling Platform. Debug performance issues down to a single line of code

81.6%
Merge Rate
24h
First Review
72%
1st-Timers
22
Maintainers
A TierRust 214

yegor256/micromap

📈 The fastest (for very small maps!) alternative of Rust HashMap, which doesn't use hashing and doesn't use heap (aka "linear map")

100.0%
Merge Rate
4h
First Review
100%
1st-Timers
2
Maintainers
B TierRust 144

ubugeeei-prod/ox-content

A framework agnostic fastest and beautiful documentation & markdown tooling

87.0%
Merge Rate
5d
First Review
100%
1st-Timers
1
Maintainers
B TierC# 112

linkdotnet/StringBuilder

A fast and low allocation StringBuilder for .NET.

100.0%
Merge Rate
-
First Review
100%
1st-Timers
0
Maintainers
B TierRust 117

kolemannix/k1

A language for the joy of programming

100.0%
Merge Rate
<1h
First Review
100%
1st-Timers
1
Maintainers
Best Performance Open Source Repositories & C-Rank™ | GetMerged