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# HelloGitHub Vol.73
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> Passion is the best teacher. **HelloGitHub** inspires your interest in open-source!
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## Table of Contents
Click the ** 「Table of Contents」** icon at the top-right corner to open the navigation and enjoy a better reading experience.
## Content
> **The content of this issue is as follows**｜
### C
1、[lvgl ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/lvgl/lvgl )：美观易用的轻量级嵌入式系统图形库
- 拥有丰富的图形组件：按键、图表、图片等
- 支持多种输入设备：触摸屏、键盘、按键等
- 最低资源占用：
- 不依赖特定的硬件平台，可在多种显示屏上运行
- 支持多语种：中文、韩文、阿拉伯文等
- 丰富详细的示例
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/60667730.gif' style = "max-width:80%; max-height=80%;" > < / img > < / p >
2、[uthash ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/troydhanson/uthash )：为 C 语言提供哈希表的库。由于 C 语言中没有类似字典的数据结构，该库提供了哈希表常见的查询、插入、删除、排序等函数。使用方法简单，仅需引入一个头文件
```c
#include "uthash.h"
struct my_struct {
int id; /* we'll use this field as the key */
char name[10];
UT_hash_handle hh; /* makes this structure hashable */
};
struct my_struct *users = NULL;
void add_user(struct my_struct *s) {
HASH_ADD_INT( users, id, s );
}
```
3、[warpd ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/rvaiya/warpd )：用键盘代替鼠标的工具。拥有多种操作模式比如方向键移动鼠标和区域选择，但仅支持 Linux 和 macOS 系统
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/210099248.gif' style = "max-width:80%; max-height=80%;" > < / img > < / p >
### C#
4、[TradingSystem ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/oybab/TradingSystem )：
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### C++
5、[Cytopia ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/CytopiaTeam/Cytopia )：免费开源的像素风模拟城市建设游戏
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/130312164.png' style = "max-width:80%; max-height=80%;" > < / img > < / p >
6、[FileCentipede ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/filecxx/FileCentipede )：一个用 C++ 和 Qt 编写的跨平台文件下载器。它界面简洁、下载速度快、支持多协议，还有浏览器插件可用来下载网页中的视频和音频
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/467157951.png' style = "max-width:80%; max-height=80%;" > < / img > < / p >
7、[ydb ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/ydb-platform/ydb )：
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### CSS
8、[simple.css ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/kevquirk/simple.css )：超轻量级的 CSS 框架。不引入新的样式类，仅把 HTML 元素设为合理值，从而实现仅用 HTML 元素就可以构建美观、响应式的网页
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/326420723.png' style = "max-width:80%; max-height=80%;" > < / img > < / p >
### Go
9、[casdoor ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/casdoor/casdoor )：提供登陆界面的身份访问管理平台。提供中文界面的用户管理后台，支持多种第三方登录、单点登录以及手机/邮箱验证码、找回密码等功能
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/306366900.png' style = "max-width:80%; max-height=80%;" > < / img > < / p >
10、[gorse ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/gorse-io/gorse )：由 Go 语言实现的推荐系统引擎。无需具备推荐系统相关知识， （ ） ，
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11、[lal ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/q191201771/lal )：纯 Go 开发的流媒体服务器。完备的直播服务器，支持多种常见编码格式和 RTMP、RTSP、HLS 等协议
< p align = "center" >< img src = 'https://raw.githubusercontent. c om/521xueweihan/img2/master/hellogithub/73/180726796.png' style = "max-width:80%; max-height=80%;" ></ img ></ p >
12、[monitoror ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/monitoror/monitoror )：平铺的监控工具。安装简单配置方便的“监控墙”，所有监控指标以平铺的方式展示，美观且一目了然。支持 Linux、macOS 和 Windows 主流操作系统
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/165261261.png' style = "max-width:80%; max-height=80%;" > < / img > < / p >
13、[yomo ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/yomorun/yomo )：低延时流式边缘计算框架。它基于 QUIC（
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### Java
14、[databasir ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/vran-dev/databasir )：一款数据库模型文档管理平台。支持自动同步数据库元数据并生成文档，解决数据模型文档管理中的内容更新不及时等问题
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/441922252.gif' style = "max-width:80%; max-height=80%;" > < / img > < / p >
15、[guice ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/google/guice )：轻量级 Java 依赖注入框架。不需要大量的模版代码，即可编写依赖注入的代码。使开发和调试更容易、更快速，适合个人开发者在小项目中使用
```java
import javax.inject.Inject;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Module;
public class Main {
@Inject
private HelloWorldService service;//hello service
public static void main(String[] args) {
Main main = new Main();
Module module = new HelloWorldModule();
Injector injector = Guice.createInjector(module);
injector.injectMembers(main);//injects the implementation of the service
main.testGuice();
}
public void testGuice()
{
service.sayHello();//usage of the service
}
}
```
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16、[javamelody ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/javamelody/javamelody )：监控 Java、Java Web 应用程序的工具。监控包含 HTTP 请求、SQL 耗时、方法执行次数、错误百分比、Java 内存等指标，支持自定义时间维度和导出报告
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17、[stendhal ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/arianne/stendhal )： （ ） ， 在线试玩 ](https://stendhalgame.org/client/stendhal.html )
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18、[streampark ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/apache/streampark )：
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### JavaScript
19、[cnchar ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/theajack/cnchar )：小巧的汉字处理 JS 库。支持简体字拼音、多音字、笔画数等功能
```javascript
let spell = cnchar.spell('你好');
let stroke = cnchar.stroke('你好');
console.log(spell, stroke);
```
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/253296378.png' style = "max-width:80%; max-height=80%;" > < / img > < / p >
20、[nanoid ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/ai/nanoid )：用于生成随机 ID 的 JS 库
- 小巧：无依赖，仅 130 字节
- 快速：比 UUID 快 60%
- 安全：加密的强随机 API，
- 紧凑：它使用比 UUID 更大的字母表
- 易用：已移植到 20 多种编程语言
```javascript
const { nanoid } = require('nanoid');
nanoid(); //=> "U9HDHNW3BkWMEd6GV_QPa"
```
21、[nexe ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/nexe/nexe )：可将 Node.js 应用程序，打包成一个可执行文件的命令行工具
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/2857233.gif' style = "max-width:80%; max-height=80%;" > < / img > < / p >
22、[rough ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/rough-stuff/rough )：手绘风格的图形库。可以让你用素描、类似手绘的风格来绘制图形
```javascript
const rc = rough.canvas(document.getElementById('canvas'));
rc.rectangle(10, 10, 200, 200); // x, y, width, height
```
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/76342242.png' style = "max-width:80%; max-height=80%;" > < / img > < / p >
23、[rubiks-cube ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/pengfeiw/rubiks-cube )：使用 Three.js 制作的 3D 魔方。支持自定义魔方阶数，[在线尝试 ](https://pengfeiw.github.io/minicode/threejs-rubik )
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/432978301.gif' style = "max-width:80%; max-height=80%;" > < / img > < / p >
### Kotlin
24、[architecture-samples ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/android/architecture-samples )：
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/51148780.png' style = "max-width:80%; max-height=80%;" > < / img > < / p >
### Objective-C
25、[hammerspoon ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/Hammerspoon/hammerspoon )：强大的 macOS 自动化工具。通过该项目可以方便地用 Lua 脚本与 macOS 系统 API 进行交互，实现操作窗口、鼠标、文件系统、屏幕等功能。可用于打造各种 macOS 便捷工具
```lua
hs.hotkey.bind({"cmd", "alt", "ctrl"}, "W", function()
hs.notify.new({title="Hammerspoon", informativeText="Hello World"}):send()
end)
```
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### Python
26、[docker-py ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/docker/docker-py )：用 Python 操作 Docker 的库。Docker 官方出品的 Python 库，可以用来批量、自动管理镜像
```python
import docker
client = docker.from_env()
client.images.pull('nginx')
# <Image 'nginx'>
client.containers.run("ubuntu:latest", "echo hello world")
# 'hello world\n'
client.containers.list()
# [<Container '45e6d2de7c54'>, <Container 'db18e4f20eaa'>, ...]
```
27、[memray ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/bloomberg/memray )：
- 表格报告： < results >
- 实时报告：
- 统计结果： < results >
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28、[modin ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/modin-project/modin )：更快、类似 pandas 的数据处理和分析库。底层通过 Ray 或 Dask 加速计算，上层兼容大部分 pandas API。所以使用起来十分简单， ，
```python
# import pandas as pd
import modin.pandas as pd
import numpy as np
frame_data = np.random.randint(0, 100, size=(2**10, 2**8))
df = pd.DataFrame(frame_data)
```
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29、[pikepdf ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/pikepdf/pikepdf )：用于读取和写入 PDF 文件的 Python 库
```python
import pikepdf
with pikepdf.open('input.pdf') as pdf:
num_pages = len(pdf.pages)
del pdf.pages[-1]
pdf.save('output.pdf')
```
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30、[pinry ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/pinry/pinry )：分享图片的开源网站。该项目前后端分离采用 Vue.js + Django 等技术栈，网站以平铺的方式展示图片，支持浏览、上传和搜索图片以及管理后台、个人页、增加标签等功能
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/8568252.gif' style = "max-width:80%; max-height=80%;" > < / img > < / p >
### Ruby
31、[lobsters ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/lobsters/lobsters )：
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### Rust
32、[dnsguide ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/EmilHernvall/dnsguide )：用 Rust 从头写一个 DNS 服务的教程
33、[gitv ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/chenjiandongx/gitv )：由 Rust 编写的 Git 仓库分析和数据可视化的命令行工具
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/471758260.png' style = "max-width:80%; max-height=80%;" > < / img > < / p >
### Swift
34、[WordPress-iOS ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/wordpress-mobile/WordPress-iOS )：官方开源的 WordPress iOS 客户端
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### AI
35、[instant-ngp ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/NVlabs/instant-ngp )：加速训练 NeRF 模型的项目。英伟达开源的最快只需 5 秒，训练出一只狐狸 NeRF 模型的技术。即根据静态的 2D 图片通过神经网络建模，快速训练出可以放大且从任何角度观察都清晰的图片
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/444886996.gif' style = "max-width:80%; max-height=80%;" > < / img > < / p >
### Other
36、[getwidget ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/ionicfirebaseapp/getwidget )：免费开源的 Flutter UI 库。包含 1000 多种常用组件，帮你快速、轻松地构建 Flutter 应用
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/227270948.png' style = "max-width:80%; max-height=80%;" > < / img > < / p >
37、[iRedMail ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/iredmail/iRedMail )：开箱即用的免费邮件服务器。通过该项目可以快速在 Linux/BSD 上部署邮件服务，除此之外还拥有 Web 管理平台，数据均存储在服务器上，即保证了数据隐私还易于迁移和备份
38、[RedisInsight ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/RedisInsight/RedisInsight )：官方开源的 Redis 桌面管理工具。提供了可视化操作界面、监控、内存分析、管理 Redis 集群等功能
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39、[SmartIDE ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/OpenAtomFoundation/SmartIDE )： ， ，
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/408816156.png' style = "max-width:80%; max-height=80%;" > < / img > < / p >
40、[vcard-personal-portfolio ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/codewithsadee/vcard-personal-portfolio )：用来展示个人信息的网站
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/471780567.png' style = "max-width:80%; max-height=80%;" > < / img > < / p >
41、[WechatMomentScreenshot ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/TransparentLC/WechatMomentScreenshot )：朋友圈截图生成工具
< p align = "center" > < img src = 'https://raw.githubusercontent.com/521xueweihan/img2/master/hellogithub/73/167690435.png' style = "max-width:80%; max-height=80%;" > < / img > < / p >
### Book
42、[awk ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/wuzhouhui/awk )：
43、[rCore-Tutorial-Book-v3 ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/rcore-os/rCore-Tutorial-Book-v3 )：用 Rust 语言从零开始写一个基于 RISC-V 架构的类 Unix 内核。清华大学开源的中文教程，从计算机发展历史开始科普，一步步说到为何操作系统会诞生，以及现代操作系统必须具备的特性。实践方面也是从空文件夹开始，像搭乐高积木一样，慢慢将操作系统的核心开发出来，教程读起来简直像看小说一样让人欲罢不能。[在线阅读 ](https://rcore-os.github.io/rCore-Tutorial-Book-v3/ )
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44、[tensorflow-internals ](https://hellogithub.com/en/periodical/statistics/click?target=https://github.com/horance-liu/tensorflow-internals )：
< p align = "center" >
< a href = "https://github.com/521xueweihan/HelloGitHub/blob/master/content/en/HelloGitHub72.md" > 『Previous』< / a > | < a href = 'https://github.com/521xueweihan/HelloGitHub/issues/899' > Feedback< / a > | < a href = "https://github.com/521xueweihan/HelloGitHub/blob/master/content/en/HelloGitHub74.md" > 『Next』< / a >
< / p >
---
< p align = "center" >
👉 < a href = 'https://hellogithub.com/en/periodical' > Submit open-source project!< / a > 👈< br >
< / p >
## Sponsor
< table >
< thead >
< tr >
< th align = "center" style = "width: 80px;" >
< a href = "https://www.compshare.cn/?utm_term=logo&utm_campaign=hellogithub&utm_source=otherdsp&utm_medium=display&ytag=logo_hellogithub_otherdsp_display" > < img src = "https://raw.githubusercontent.com/521xueweihan/img_logo/master/logo/ucloud.png" width = "60px" > < br >
< sub > UCloud< / sub > < br >
< sub > 超值的GPU云服务< / sub >
< / a >
< / th >
< th align = "center" style = "width: 80px;" >
< a href = "https://www.upyun.com/?from=hellogithub" >
< img src = "https://raw.githubusercontent.com/521xueweihan/img_logo/master/logo/upyun.png" width = "60px" > < br >
< sub > CDN< / sub > < br >
< sub > 开启全网加速< / sub >
< / a >
< / th >
< th align = "center" style = "width: 80px;" >
< a href = "https://github.com/OpenIMSDK/Open-IM-Server" >
< img src = "https://raw.githubusercontent.com/521xueweihan/img_logo/master/logo/im.png" width = "60px" > < br >
< sub > OpenIM< / sub > < br >
< sub > 开源IM力争No.1< / sub >
< / a >
< / th >
< th align = "center" style = "width: 80px;" >
< a href = "https://apifox.cn/a103hello" >
< img src = "https://raw.githubusercontent.com/521xueweihan/img_logo/master/logo/apifox.png" width = "60px" > < br >
< sub > Apifox< / sub > < br >
< sub > 比 Postman 更强大< / sub >
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< / tr >
< / thead >
< / table >
## Disclaimer
< a rel = "license" href = "https://creativecommons.org/licenses/by-nc-nd/4.0/" > < img alt = "Creative Commons License" style = "border-width: 0" src = "https://licensebuttons.net/l/by-nc-nd/4.0/88x31.png" > < / a > < br >
This work is licensed under a < a rel = "license" href = "https://creativecommons.org/licenses/by-nc-nd/4.0/" > Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License< / a > .
