Lightweight GitHub Repositories (2026) · Open Source Tools

Open-source download manager for courses (Udemy/Hotmart), YouTube, music & 1,800+ sites. Built with Tauri 2.0, Rust & Svelte.

Lenovo Legion Toolkit (LLT) is a Windows desktop utility created for Lenovo gaming laptops that replaces Lenovo Vantage, Legion Zone, and Legion Space.

whatRust — a lightweight, open-source WhatsApp Web desktop client built with Rust + Tauri. A low-RAM alternative to the official WhatsApp Desktop for Linux, Windows, and macOS.

A fast, native and beautiful desktop viewer & editor for markdown and code with PDF export and eBooks rendering.

A lightweight WebAssembly runtime that is fast, secure, and standards-compliant

A lightweight, secure, and feature-rich Discord terminal (TUI) client.

Native, pure C++, Slack client for Linux, macOS and Windows. Lightweight alternative to the official Electron app.

Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and about 20 MB of private memory at idle.

A lightweight keyboard for Android

📈 A small, fast chart for time series, lines, areas, ohlc & bars

A Discord client without the web browser. Native, written in Rust, about 30 MB of RAM idle.

Build efficient Bedrock & Java Minecraft networks with multi-version support. Powers global Connect network at production scale. Runs with 10MB.

An ultra-lightweight blogging engine, written in PHP.

Self-evolving agent: grows skill tree from 3.3K-line seed, achieving full system control with 6x less token consumption

Lightweight justice for your single-board computer!

The official build framework for the Armbian Linux distribution. This repository contains the complete toolchain and scripts required to compile custom OS images from source, including kernel configuration, U-Boot handling, and board-specific tweaks for various ARM and ARM64 single-board computers.

Practical and minimal image viewer

A fast, lightweight and more productive microservices framework

DevOps secrets base: lightweight, self-hosted secrets manager in a single file

Official PyTorch implementation of Superpoint Transformer [ICCV'23], SuperCluster [3DV'24 Oral], and EZ-SP [ICRA'26]