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MIT Python framework for self-hosted LLM tool-calling and multi-step agentic workflows. Headline result from the Show HN benchmark — layered guardrails take an 8B model from 53% to 99% on agentic tasks. Solo author Antoine Zambelli, 1.8k stars in three months
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MIT browser-based audio editor (since 2018) just shipped a full multitrack mode — layer tracks, drag clips, crossfade overlaps, record onto armed channels, bounce back to a single file, all client-side. Single-developer project from Pantelis Kalogiros, 2.5k stars
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MIT reverse-engineered video wallpaper engine for macOS Tahoe — drop in custom looping video as your desktop background. 664 stars in five days
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MIT CLI and library for stripping visible (Gemini) and invisible (SynthID, C2PA, EXIF) watermarks from images — 2.4k stars. Lands the same week OpenAI adopted Google's SynthID across image outputs
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AGPL P2P platform for decentralized apps — five-year ground-up rewrite by Ian Clarke, the original 2000 Freenet author (the old project is now Hyphanet). Early apps in flight include River (decentralized group chat), Delta (decentralized CMS), and Atlas (search/recommendations). 40 contributors
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Closed-source freeware Chromium-based browser, biggest design overhaul in the 13-year-old project's history — Unified UI removes the boundaries between tabs, toolbars, panels and content into one layered surface. Search-deal funded
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MIT desktop kanban that dispatches each card to a coding agent in parallel — 11 supported including Claude Code, Codex, Gemini, Cursor and Copilot. Drop a folder, get a board. Cloud tier for teams. 300 stars in one month
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Apache-2.0 universal Rust multiplexer with a typed Playwright-style SDK — drive any CLI or TUI app from code, native on Linux, macOS and Windows. 1.2k stars in ten days
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Apache-2.0 desktop app that runs multiple coding agents in parallel against any provider — Claude Code, Codex, Cursor and others share a workspace with a shared diff view. YC W26 startup, 4.6k stars in roughly a month
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AGPL-3.0 SSH client with an encrypted, self-hostable sync server — host profiles, keys and snippets stay synced across machines without the Termius paywall. University team project, 100+ stars in early days
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Apache-2.0 self-hosted ebook-to-audiobook converter with voice cloning and 1158-language support — one CLI run, no cloud, runs locally. 19k stars, 30 contributors
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Apache-2.0 Postgres extension for fast time-series workloads — drop-in for TimescaleDB workflows after Timescale moved core to a source-available license in 2024. From Xata