Draw Vowel Space by uploading data files (csv, xlsx etc.)

an Android desk clock

A simple calendar with events, customizable widgets and no ads.

Some fun algorithms for PI day!

Customizable, privacy‑first, open-source clock app inspired by AOSP Clock

A modern formatting library

OsmAnd

Dynamic Speedometer and Gauge for Android. amazing, powerful, and multi shape ⚡

GSM+GPRS Radio Access Network Node

Real-time 3D visualization of space.

OSINT Framework

Universal Radio Hacker: Investigate Wireless Protocols Like A Boss

Introduction to Autonomous Robots

A library of C++ coroutine abstractions for the coroutines TS

A asymmetric coroutine library for C.

Simple physics simulator with support for rigid bodies, force generators and constraints.

List of Science courses with video lectures

Code for Stanford CS224u

健康学习到150岁 - 人体系统调优不完全指南

OpenType Unicode fonts for Scientific, Technical, and Mathematical texts

难得一见 Jetpack MVVM 最佳实践。在 "以简驭繁" 代码中，对 "视图控制器" 乃至 "标准化开发模式" 形成正确、深入理解。

A Web Audio framework for making interactive music in the browser.

interactive explanation introducing 3/4 and 6/8 time

Android client SDK for communicating with OAuth 2.0 and OpenID Connect providers.

Paul Ford’s “What Is Code?”

A Material Design themed ShowcaseView for Android

Complex Analysis: A Visual and Interactive Introduction

android 4.4以上沉浸式状态栏和沉浸式导航栏管理，适配横竖屏切换、刘海屏、软键盘弹出等问题，可以修改状态栏字体颜色和导航栏图标颜色，以及不可修改字体颜色手机的适配，适用于Activity、Fragment、DialogFragment、Dialog，PopupWindow，一句代码轻松实现，以及对bar的其他设置，详见README。简书请参考：http://www.jianshu.c…