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Open Source

Open-source projects, licenses and community tooling.

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134
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skybridge.tech

Skybridge

MCP apps are the new website: they're real, interactive apps that run right inside AI assistants like ChatGPT and Claude. The tooling to build them didn't exist, so we built it. Meet Skybridge, the React framework that handles the infrastructure and the dev loop so you can focus on your features: MCP server, view rendering, client compatibility, testing tunnel, and more. Code once, ship everywhere. Already +500K downloads and dozens of apps in the stores!

110 upvotes

jetbrains.com

Mellum by JetBrains

Meet Mellum, a family of fast language models, including a next-generation model for ultra-low-latency and high-performance inference.

119 upvotes

myretromac.app

Reframe

Reframe is an open-source browser based on Electron for macOS that brings back the look & feel of Safari 1.0, Netscape 4.8, Firefox 1.0 and Internet Explorer 5.0, with a built-in Wayback Mode.

73 upvotes

deepworkplan.com

Deep Work Plan

Deep Work Plan turns any repo into a harness with the context of your best engineer — so any AI agent codes like your smartest model and can't drift from the plan. Not a chat window it forgets, a spec written into the repo: atomic tasks, acceptance criteria, validation gates, resumable state. Long runs survive context resets; any agent picks up where the last left off. Point an agent at it, walk away, come back to work you can verify. Any agent, any repo, no lock-in. Open Source, MIT.

85 upvotes

pandaprobe.com

PandaProbe Cloud

PandaProbe Cloud gives your team full-stack tracing, evals, and monitoring for agents with zero infrastructure to manage. Ship better agents without the ops overhead.

151 upvotes

huggingface.co

Kimi K2.7 Code

Kimi K2.7 Code is Moonshot AI’s latest coding-focused agentic model, built for long-horizon software engineering, 256K context, multi-step tool use, multimodal inputs, and around 30% lower reasoning-token usage than K2.6. Available in Kimi Code, Kimi API, and as open weights/code.

99 upvotes

github.com

agmsg

Stop being the copy-paste relay between your AI coding agents. agmsg lets Claude Code, Codex, Gemini CLI, and Copilot CLI message each other directly through a shared SQLite database — no daemon, no network, no Python. Just bash + sqlite3, installed as an Agent Skill. Unlike built-in subagents (single-vendor, ephemeral) or MCP (an agent calling tools), agmsg is vendor-agnostic and persistent. Run several agents — even multiple Claude Code instances — in one room, working together.

26 upvotes

github.com

Sigma File Manager

"Sigma File Manager" is a free, open-source, quickly evolving, modern file manager (explorer / browser) app for Windows and Linux (Mac is supported but the build is not provided yet, can be built from source). - aleksey-hoffman/sigma-file-manager

22 upvotes

ntsc.rs

NTSC-RS

ntsc-rs is a free, open-source VHS and analog TV video effect. Use it online in your browser, as a standalone application, or as a plugin for DaVinci Resolve, After Effects, and more.

22 upvotes

virtualosmuseum.org

The Virtual OS Museum

Over 1,700 pre-installed operating systems spanning 1948 to today, in a single Linux VM. Bundled QEMU, VirtualBox, and UTM. One-click launchers for Windows and Linux.

22 upvotes

github.com

LocalClicky

LocalClicky is a Mac menubar app that lets you have a real conversation with your computer - completely offline. Say "Computer" to start a session. It stays listening. You chain commands back to back. Say "goodbye" when you're done. Everything runs on your machine: voice transcription, LLM multi models, VAD, macOS say No API keys. No subscription. No data leaving your Mac. MIT licensed.

31 upvotes

ideogram.ai

Ideogram 4.0

Ideogram 4.0 is an open-weight text-to-image model trained from scratch, with bounding-box layout control, multilingual text rendering, and native 2K output. For developers and enterprises building on visual AI.

33 upvotes

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