01Open source
Repos
Open-source repos worth knowing, by the problem they take on.
AI & Agents
AI Workflow Runtime
DeterminFlow is a production AI workflow runtime for versioned, retryable, recoverable pipelines combining LLMs, scripts, APIs, databases, and human approvals. It isolates each agent node to local context with validated outputs and has been production-tested in AI novel writing.
AI PCB Designer
Konnect is a native KiCAD 10 plugin in Rust that exposes schematic, layout, routing, placement, design-review, and manufacturing tools to Claude and other LLMs via MCP. It bundles over 200 tools and skills for PCB design, aimed at hardware developers.
Website Rebuild Skill
This agent skill captures a read-only mirror of a website, reconstructs it from minified code, and verifies the result with automated diffs. It is designed for any skills-supporting agent and tested across Claude Code and Codex.
App Pattern Builder
Appllama-skills provides agent skills that study top-grossing mobile apps' screens, flows, and UI patterns, then build native-quality mobile screens from that design language. It targets React Native developers who want agents to produce simulator-verified app interfaces.
Agent Cost Dashboard
It creates local work receipts from coding agent session logs, showing tools used, files changed, tests run, and token/time costs. It runs locally with no account or telemetry, making agent activity auditable for developers.
Data & Databases
ChartDB Visualizer
ChartDB is a web-based database diagram editor that imports a schema from a single query and can export SQL scripts or use AI for migration. It is notable for its single-query visualization and high momentum.
Directus CMS
Directus wraps any SQL database with REST and GraphQL APIs, a visual management studio, and an MCP server for AI agents. It has 45M+ downloads and is a flexible headless CMS/backend platform.
Kysely Query Builder
Kysely is a type-safe TypeScript SQL query builder with autocompletion, running on Node.js, Deno, Bun, Cloudflare Workers, and browsers. It is notable as a modern, well-regarded alternative to Knex.js for type-safe queries.
Dev Tools & CLI
Tetiva API Client
Tetiva is a local-first desktop API client for HTTP, gRPC, GraphQL, and WebSocket, storing data in SQLite with no account or telemetry; optional self-hosted sync makes it a Postman alternative.
Unvibe Code Tracer
UnvibeCode reverse-engineers complex codebases into business workflows, connected code, edge cases, and evidence-backed risks. It is a Python 3.11+ tool for developers and analysts tracing how business logic is implemented across a repository.
Sshbool Workspace
SSHBool is a native desktop workspace unifying SSH, SFTP, terminal, Docker, database, and remote server management through one multiplexed SSH connection. It targets users who want a keyboard-first, all-in-one remote infrastructure client.
UniSSH Client
UniSSH is a cross-platform SSH client with end-to-end-encrypted vaults that are local-first and optionally sync through a self-hosted server. It lets users manage keys and hosts without a cloud account, keeping data unreadable by the server.
Finance & Quant
Macrosynergy Quant Research
Macrosynergy is a Python package for financial market research and trading strategy development using J.P. Morgan Macrosynergy Quantamental System (JPMaQS) data formats. It provides seven subpackages for data download, management, and analysis, and is actively maintained by the organization.
OpenCharts Trading Platform
OpenCharts is an open-source browser-based trading terminal requiring no backend or signup, with charting, drawing tools, indicators, watchlist, depth-of-market, order ticket, and paper trading. It is notable as a self-hosted TradingView alternative with a PineScript transpiler and multi-exchange support.
TDX API Parser
gotdx is a Go library for the TDX market data protocol, covering snapshots, K-lines, intraday data, ticks, F10, financials, and sector queries. It includes address pooling, retries, host speed testing, and a built-in web viewer.
Tiger Open API SDK
The Tiger Brokers OpenAPI Python SDK provides market data, trading, account management, and real-time push via WebSocket. It also includes CLI tools, an MCP server, and AI skills for programmatic and AI-assisted trading.
QAExchange Trading System
qaexchange-rs is a Rust-based high-performance quantitative exchange system and self-developed database for QUANTAXIS. It is production-ready, featuring secondary indexing with under 10-microsecond query latency, ZSTD/LZ4/Snappy compression, asynchronous WAL persistence over 200K ops/s, TLS 1.3, and Prometheus/OpenTelemetry observability.
Algo Trading Engine
the0 is an open-source algorithmic trading execution engine for deploying bots across markets, supporting strategies in Python, TypeScript, Rust, C++, C#, Scala, and Haskell. It provides self-hosted deployment, real-time monitoring, and React dashboards; beta status.
AutoXD Backtesting Framework
autoxd is an A-share backtesting framework for writing T+0 strategies with pandas, featuring simulated real account trading, transaction costs, forward-adjusted prices, and volume-to-turnover conversion. It supports parallel execution via Redis and displays results in publishable page format.
Robotics
EgoExoMoCap Motion Capture
Official code for the ECCV 2026 paper EgoExoMoCap, a distributed ego-exo human motion capture method. It is notable as research code relevant to humanoid teleoperation.
LeHome Challenge Solution
Solution for the LeHome Challenge 2026 on bimanual garment folding with a LeRobot SO-ARM101, placing 1st of 62 online and 2nd in the real-world final. It is notable as a top competition entry for home-robot manipulation.
OpenAMR Platform Software
ROS 2 Jazzy software stack for the OpenAMRobot mobile base, including simulation, Nav2, SLAM, docking, control, drivers, and bringup. It is notable as an actively maintained full mobile-base stack with AprilTag-based autodocking.
RIMKit Motion Retargeting
RIMKit converts SOMA human motion into whole-body motion for humanoid robots, supporting sixteen robot targets from Unitree, ROBOTIS, Apptronik, and others via Python and CLI. It is notable as a practical contact-aware retargeting toolkit for humanoid developers.
PhysInOne Python
Python code for PhysInOne, a CVPR 2026 dataset of 2 million videos from 153,810 dynamic 3D scenes covering 71 physical phenomena. It is notable as the largest physically-grounded training dataset for AI systems.
Unitree G1 Autonomy
ROS 2 Jazzy autonomy stack for the Unitree G1 humanoid, developed simulation-first against unitree_mujoco. It is notable because the simulator uses the same DDS channels as the hardware, letting navigation and control code transfer unchanged.
Visloc Rust SLAM
Pure Rust visual and visual-inertial SLAM, SfM, and localization library. It is notable for benchmarking faster than COLMAP on ETH3D scenes while achieving lower camera-centre RMSE.
Security
ToolReplay AI Audit
ToolReplay audits AI agent tool-call transcripts for non-determinism, redundancy, and out-of-scope calls using hash-chain sealing and deterministic replay. It is a dependency-free Python CLI notable for its novel hash-chain audit approach.
MCP Pentesting Toolbelt
Blitz Strike is an MCP server that provides a structured penetration-testing methodology with reconnaissance, source-to-sink analysis, and live validation. It includes a 130-tool catalog and 57 escalation chains, notable for MCP-native pentest automation.
GitHub Security Extension
gh-secure is a GitHub CLI extension that enables repository security features such as secret scanning, dependency alerts, and private vulnerability reporting according to GitHub Security Lab best practices. It is notable as an org-backed tool.
Decentralized Auth System
minidauth moves the signing/decryption key out of an existing auth system into threshold shares across the Tide network, so no single node can reconstruct it. It adds decentralized governance over decryption and is notable for zero-trust key management.
Red Team Automation
ARES is an open-core platform for authorized red-team engagements, offering campaign scope, module orchestration, OPSEC controls, an encrypted vault, and reporting. It has a dashboard and is notable for adoption with 32 forks.
Threat Intel Aggregator
ThreatIntel-Aggregator is a self-hosted platform that aggregates RSS feeds from 60+ security vendors, performs AI triage, and correlates findings with asset inventory and MITRE ATT&CK. It supports standalone or Azure/Sentinel deployment and is notable for fresh substantive features.
Post-Quantum Cryptography Census
PQCensus statically scans software repositories to inventory cryptographic uses and plan post-quantum migration, with evidence grounding and SARIF/CycloneDX output. It runs locally with zero mandatory runtime dependencies and is notable for novel post-quantum migration planning.
Systems & Languages
Meta Python
MetaPython is Meta's fork of the CPython runtime. It includes substantive runtime work and a JIT compiler, with the historical name 'cinder' now separate in cinderx.
F# Language
This repository contains the F# compiler, core library, language service, and Visual Studio tooling integration. It is the official F# implementation, a mature functional language on .NET.
Rust GPU
Rust-GPU enables using Rust as a first-class language for GPU graphics and compute shaders. It is still in early development, not yet production-ready, but actively developed and novel.
Apache Groovy
Apache Groovy is a multi-faceted programming language for the JVM platform. It is a mature language supporting both dynamic and static typing.
Eclipse OpenJ9
Eclipse OpenJ9 is a Java Virtual Machine for OpenJDK optimized for small footprint, fast start-up, and high throughput, building on Eclipse OMR. Notable as an optimized JVM with JIT/GC.
Scala Native
Scala Native is an optimizing ahead-of-time compiler and lightweight managed runtime for Scala, compiling to native code via LLVM. It brings Scala closer to bare metal.
glslang Compiler
glslang is the Khronos-reference front end for GLSL/ESSL and a SPIR-V generator, with a partial HLSL front end. It is an essential reference shader compiler for GPU toolchains.