01Open source
Repos
Open-source repos worth knowing, by the problem they take on.
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disktree
Disktree is a Rust-based treemap utility for Omarchy that scans disk usage, visually maps directory sizes, and enables keyboard-driven file cleanup.
Sonicloud Opensdk
SoniCloud OpenSDK provides a C++ reference implementation for integrating BLE recorder hardware across multiple platforms.
Piik
Piik is a TypeScript-based open-source screen sharing tool for private live streams.
CLM
Contrastive Language Models trains System One models via an objective that connects states and actions, serving CLM-8B with fine-tuning APIs for researchers.
ARTEX
ARTEX is an autonomous AI penetration testing system combining a Go backend with Next.js frontend, providing security professionals.
BitChord
A modern YouTube Music client with clean aesthetics, offering developers a Kotlin-based alternative with features like Hi-Res lossless audio and crossfade.
DroidDeck
A Kotlin project that brings the SteamOS experience to Android, enabling developers to run Steam client and Windows games on Adreno handhelds.
OpenDots
An open-source template for building persistent AI agents that operate across text, calls, and Slack, useful for developers creating always-on AI coworkers.
Web Motion Animation
oil-motion is an interaction animation library for web applications that responds to scrolling, dragging, and pointer movements. It is notable for its utility in the Chinese developer community and its active maintenance under the MIT license.
Next Generation E2E Testing Framework
tester-army/e2e is an end-to-end testing framework for web and mobile apps that uses natural language goals to drive autonomous agent actions with assertions. It is notable for its organization-backed approach to complex testing scenarios and active development.
Android APK Reverse Engineering
apk-reverse is an agent skill designed for Android APK reverse engineering, including dex patching and repacking. It is notable for its structured approach to mobile security analysis and for being a tool rather than a tutorial for AI agents.
Interactive 3D Anatomy Explorer
anatomy is an interactive 3D human anatomy explorer built using Three.js. It is notable for its modern web-based interface despite being built on an older GPT-5.6 foundation and having limited recent updates.
Fieldwatch Observer
Fieldwatch is a passive Android application for observing Wi-Fi access points and Bluetooth LE advertisements nearby. It is notable as a privacy-focused security tool that operates entirely offline without dongles or accounts.
Independent CarPlay Receiver
DiPlay is an open-source application that enables CarPlay on compatible Android head units, specifically targeting BYD vehicles. It is notable for solving a specific Android/CarPlay integration problem with early community traction and a GPL-3.0 license.
Run Omarchy on MacOS
try-omarchy allows running the Omarchy desktop environment on macOS using a QEMU-based runtime with Apple Hypervisor Framework. It is notable for providing a hardware-accelerated, zero-setup environment for developers using Apple Silicon.
OpenReply Chat Automation
Open-source Instagram comment-to-DM automation alternative to Manychat. Watches comments and sends private replies via the official Meta API; notable for being free, MIT-licensed, and self-hostable.
AirCard Wallet Skinner
An iOS 18+ app that skins Apple Wallet cards and lock screen passcodes without jailbreaking. Uses the airlift AirTraffic sync exploit; notable for practical iOS customization under an MIT license.
Whiteboard Design Canvas
An open-source desktop canvas for software design where humans and AI agents can collaborate. Provides an SDK for agents to draw diagrams in a shared workspace; notable for its clean concept and moderate momentum.
Search WebKit Browser
A small, fast WebKit browser for macOS with a minimal interface. No toolbar, start page, or account sign-in; notable as a lightweight niche browser at about 6 MB.
AnyPS5 Porting Tool
Tool for automatic PS5 executables porting to Linux and Windows. Includes a relinker and system prx library implementations; novel for game developers, with verified games running at stable 60 fps.
MangoDisk Disk Cleaner
A safety-first disk cleaner and space analyzer for macOS and Windows. Scans system, application, and developer caches for reclaimable space; notable as a cross-platform Rust/Tauri utility with solid execution.
Qingjian Pinyin IME
Qingjian is a Rust-based pinyin input method that displays translations in a language you're learning alongside character candidates. It integrates language practice into everyday typing without disrupting normal input flow.
Spatiotemporal Programming Paradigm
This paper proposes a programming paradigm for spatiotemporal composability, addressing temporal revertibility and spatial reactivity in dynamic software composition. It targets foundational gaps in plugin systems and self-evolving agent harnesses.
Openmuse Personal Agent
OpenMuse is an open-source personal agent with browser, terminal, and file access that runs on iOS, Android, and web. It is built with CopilotKit and AG-UI, allowing it to work with any agent harness.
Pdfcn PDF Components
pdfcn provides free, ready-to-use, customizable PDF components for React, built on Takumi and Forme and compatible with shadcn/ui. It addresses PDF generation pain with zero config and live previews.
Open Higgsfield Studio
Open Higgsfield is a free, open-source studio for generating images and videos from a single prompt bar, supporting 38 models without a subscription. It offers self-hosting and BYO keys as an alternative to Higgsfield AI.
Walgit Git Wallpaper
Walgit is a single-binary Git server that stores repositories directly in S3 or GCS with no database or persistent local state. It scales to repositories larger than the machine it runs on by treating every node as a disposable cache.
Morphicons Icon Morphing
Morphicons is a zero-dependency, ~7 KB library that lets any stroke-based icon morph into any other using spring physics and automatic rotation from Procrustes math. It is novel for UI developers needing lightweight, universal icon animation.
Talivia Revenue Analytics
Talivia is a self-hosted, revenue-first analytics platform for founders, combining web analytics, session replay, and revenue attribution from Stripe, LemonSqueezy, and others. It offers an open-source alternative to closed analytics tools.
Laya Decision Engine
A non-autoregressive System 1 decision engine for typed choice, score, and yes/no decisions over any text in 100+ languages in a single forward pass. It uses RLCD training and a router to select the right checkpoint per request.
FluxDown Download Manager
FluxDown is a Rust-based multi-protocol download manager supporting HTTP, FTP, BitTorrent, and HLS/DASH streaming with browser integration. It is notable for its IDM-style dynamic segmentation and up to 10x faster downloads, free and open-source.
Kev Decision Models
A family of small Jev-like decision models built on Qwen3.5/3.8 that users can train and run themselves. Its API matches TypeSafe's System One, enabling yes/no, multiple-choice, and rating questions in a single request.
XERJ AI Search
XERJ is a local AI search tool that autoindexes code, docs, logs, and PDFs for agents and RAG. It is notable for using 40x fewer tokens than grep and being Elasticsearch-compatible, reducing coding agent output tokens by 2.7x in a controlled study.
Ultrafast Web Agent
jev-ultrafast is a browser agent that uses a dynamic, indexed action space to execute web tasks with minimal text generation. It is notable for being positioned as the fastest and cheapest web agent, demonstrated by completing a flight search in 7.1 seconds.
Evidence Based Life Guide
An evidence-based life guide in Chinese sorted by cost-effectiveness, covering longevity, first aid, finance, legal issues, employment, insurance, relationships, and entrepreneurship. It includes 612 recommendations with cost, benefit, evidence level, and sources from journals and official documents.
SemIf OpenJev
SemIf-OpenJev provides semantic decision-making from open models that runs on a 3090 GPU at home. It is notable for being an independent, open implementation with a browser demo and no waitlist, replicating Jev-like functionality.
NVMe AI Inference
Embeddable C inference engine with no third-party runtime dependencies that streams activated weights from NVMe to run huge models like 2.78T Kimi K3 beyond RAM. Enables trillion-parameter frontier models on consumer hardware like 64GB.
AI Research Loops
Standalone extension for Pi that packages four efficiency mechanisms from scaled auto-research loops to reduce repeated model turns, context replay, oversized observations, long-log reading. NVIDIA lab research tooling for efficient agent harnesses.
Fugleramme Bird Detection
A bird frame for Raspberry Pi that performs real-time bird detection by audio using fully local AI and displays results as hand-cut 1800s bird illustrations on e-ink or other screens. It was selected for GOSIM Spotlight.
RTX 30 DLSSG
Enables NVIDIA DLSS frame generation on RTX 30 and 20 series GPUs via version.dll and ini for Windows D3D12. Valuable hack for older GPU owners; recent fixes for corruption/crashes; active.