01Open source
Repos
Open-source repos worth knowing, by the problem they take on.
Data & Databases
USearch
A C++ single-file vector similarity search and clustering engine with a fast HNSW implementation and bindings for many languages.
typedb
A Rust database unifying relational, document, and graph models with the declarative, strongly typed TypeQL query language, for developers working.
dqlite
A C embeddable library extending SQLite with Raft-based replication, high availability, and automatic failover.
orioledb
OrioleDB – building a modern cloud-native storage engine (
ydb
A C++ open-source distributed SQL database with ACID transactions and strong consistency, of interest to developers building highly available services.
Dev Tools & CLI
caddiff
Compares two STEP files and outputs a visual diff with a machine-readable change list for gating CAD assembly changes in CI.
Big Arrow On The Screen
Draws click-through arrows, boxes and text on the macOS screen from a CLI so AI agents can point things out to a user.
Terrascope
Renders an interactive Braille terminal world map with live weather, aircraft, earthquakes and day/night layers using curses.
LeftOpen
Shows which processes and projects are listening on localhost ports from the menu bar or CLI so developers can close leftovers safely.
Pulse
Compiles VHDL through a full lexer-to-elaborator pipeline into a four-valued dataflow logic simulation that can be debugged.
Game Dev
ohmygame
OhMyGame consolidates AI-powered game design, asset creation, coding, playtesting, and publishing into a single app.
Astro Loop
Astro Loop is a GPL-3.0 Android roguelike shooter with one-finger controls, autofire, no ads or tracking, and no internet permission.
Robotics
GenZ-LIO
Implements the IEEE T-FR 2026 paper GenZ-LIO for robust, computationally efficient LiDAR-inertial odometry across confined and open environments.
portal
Rust transport layer that closes the robot teleoperation and inference control loop over WebRTC through NAT without VPNs or forwarded ports.
Spotter
Official codebase for Spotter, which adds an intervention layer between a frozen embodied model and a VLM to improve manipulation tasks.
FlashDexRetarget
Official implementation of FlashDexRetarget, which accelerates dexterous manipulation data generation via multi-motion retargeting.
Calibrex
Command-line tool that checks whether a robot's sensor calibration remains valid from ROS bags with per-axis verdicts for LiDAR, IMU, camera, and GNSS.
GazeVLA
Official CoRL 2026 code for a Python framework that learns human intention to improve robotic manipulation through explicit causal behavior modeling.
GRABETTE
A Python toolkit for collecting robot manipulation demonstrations via camera and IMU streams to export training-ready datasets for policy learning.
Science & Simulation
vsl
This V library enables AI and high-performance scientific computing with linear algebra and numerical differentiation tools.
gdl
This C++ compiler provides a free, GPL-2.0 licensed implementation of IDL for data analysis and visualization in astronomy and medical imaging.
bblean
This Python library provides memory-efficient BitBIRCH clustering for high-throughput analysis of massive molecular libraries.
WERM
This HTML project implements a 302-neuron network based on the real C.
VeriTMM
This Python workbench offers verifier-first transfer-matrix methods for multilayer optics with differentiable inverse design and machine-readable validation.
Security
jactionlint
Statically checks GitHub Actions workflow syntax and expression types, serving as an actively maintained fork of rhysd/actionlint.
AtlasX
Self-hosted shell-based system for discovering external assets via certificate transparency and passive DNS to monitor corporate exposures.
OpenQodex
Adds pre-push AI code review to Claude Code or Codex by running security scanners on changed lines and verifying each finding.
origin-scoped-fetch
TypeScript fetch wrapper that drops custom authentication, cookie, and API key headers when redirects cross to different origins.
headerscrub
Go http.Client checkRedirect policy that prevents caller-set headers like X-Api-Key from leaking when redirects cross origins.
This Week's Movers
manimgx
ManimGX is a GPU-accelerated animation engine that renders math and 3D videos using Manim's Python API.
Trending Overall
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.
Web & Frontend
robot-heads
Provides animated 3D robot heads in React on 2D canvas showing agent states like thinking, useful now for dependency-free chatbot and AI interfaces.
Design System React
Implements Salesforce Lightning Design System in React 19 with TypeScript, SLDS 2, dark mode, and accessibility.
frosty
Creates a mobile Twitch client for iOS and Android supporting emotes from 7TV, BTTV, and FFZ, valuable now for enhanced Flutter-based streaming viewers.
Elementary UI
Enables SwiftUI-style declarative apps in the browser via WebAssembly with reactivity and tiny Embedded Swift binaries.
mygo
Builds desktop apps in Go using webview frontends like WKWebView or native GPU UI with generated TypeScript clients for single binary distribution.