Open Source

The 18 most recent open source briefs, newest first.

September 17, 2026 · Open Source

Show HN: Thurbox – A tmux-based TUI and CLI for local AI agent orchestration

What happened Thurbox is an open source tool published on GitHub that lets users run multiple coding agents simultaneously inside a single terminal. Supported agents include Claude Code, Codex, openc...
September 16, 2026 · Open Source

Show HN: An open-source control plane for your company's AI agents

What happened AgenticOS is a self hosted, open source control plane for enterprise AI agents, released on GitHub. It consolidates agent building, execution, and governance into a single platform. Sta...
September 11, 2026 · Open Source

Show HN: Ambient Context v1.0.0 (Missing context for AI assistants)

What happened Ambient Context v1.0.0 is a signed macOS menu bar app that uses the macOS Accessibility API to capture on screen text into a markdown file. The tool maintains a running written record o...
September 1, 2026 · Open Source

Cancel your closed-source AI subscriptions: GLM 5.3 Flash is here

What happened Z.ai released GLM 5.3 Flash, an open weights mixture of experts model carrying 320 billion total parameters with 18 billion active at inference time. The model was previously tested ano...
August 28, 2026 · Open Source

CEO fired developers to make room for AI. Developers create open source AI CEO

What happened A team called SenteLabsAI released OpenExecutive, an open source AI system on GitHub that simulates a virtual executive team. The project presents a single coherent executive persona ba...
August 19, 2026 · Open Source

Show HN: A benchmark for AI agent guardrails that caught my own plugin

What happened A developer released Holdline, an open source benchmark designed to evaluate guardrails for AI agents that perform write actions. The tool scores any guard expressed as a function that...
August 16, 2026 · Open Source

Show HN: Dictata – Local Whisper dictation with LLM cleanup

What happened Dictata is a newly released open source tool for Windows that provides system wide voice dictation running entirely on device. Written in native Rust, it uses whisper.cpp for transcript...
August 14, 2026 · Open Source

Show HN: Chatlens – Search and browse your ChatGPT and Claude chats offline

What happened A developer released Chatlens, a single self contained HTML file roughly 85KB in size that lets users search and browse their exported ChatGPT and Claude conversation histories entirely...
August 13, 2026 · Open Source

Google DeepMind open-sources WeatherNext after hurricane forecast breakthrough

What happened Google DeepMind has open sourced the code and model weights for WeatherNext, a weather forecasting AI that, according to research published in Nature, predicted hurricane tracks one day...
August 13, 2026 · Open Source

Show HN: Frontier.fast – Help push the frontier of LLM speed forward

What happened Frontier.fast is a newly launched open arena for benchmarking LLM inference speed. Contributors submit kernel or engine patches against a pinned configuration, defined by one model, one...
August 8, 2026 · Open Source

Show HN: Selvedge – an append-only log of what your AI agent already rejected

What happened Selvedge is an open source MCP server released on GitHub and PyPI that maintains an append only log of reasoning produced by AI coding agents. It records not just what changes were made...
August 6, 2026 · Open Source

Show HN: AI gateway open source integrated with cursor and open router

What happened RouterFuel v0.6.0 is an open source async Rust gateway that routes requests to 330+ language models across providers including OpenAI, Anthropic, Google, Meta, and Mistral, plus the ful...
August 4, 2026 · Open Source

Show HN: OpenTalking – Privately deployable real-time AI avatar

What happened A project called OpenTalking has been released on GitHub by datascale ai as an open source framework for building real time AI avatar systems. It describes itself as industrial grade an...
August 4, 2026 · Open Source

agent-regress-cli 0.1.7

What happened Version 0.1.7 of agent regress cli has been published to PyPI as an open source tool for statistical regression testing of LLM agents. Rather than comparing single runs, it computes a p...
August 1, 2026 · Open Source

Show HN: ResiliReplay - Chaos testing for AI agents and MCP servers

What happened ResiliReplay is an open source TypeScript toolkit designed to chaos test AI agents and MCP servers. It replays failures deterministically and converts broken execution traces into regre...
July 21, 2026 · Open Source

Show HN: Headroom – measure your GPU's true bandwidth ceiling for local AI

What happened Headroom is an open source browser based tool that runs a 30 second WebGPU benchmark to measure a GPU's true memory bandwidth ceiling for local AI inference. It targets batch 1 LLM deco...
July 19, 2026 · Open Source

tycho-cli added to PyPI

What happened A package called tycho cli has been added to PyPI. According to the project description, Tycho is a free, offline, open source local verifier designed to confirm whether an AI agent act...
July 18, 2026 · Open Source

scrypto-audit-kit added to PyPI

What happened A package called scrypto audit kit has been published to PyPI, targeting Scrypto blueprints on the Radix network. The toolkit combines deterministic static analysis with an LLM checklis...