Top Tools from May 19–25, 2026

  1. 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
    Show HN discussion AI Tooling 684 pts
  2. 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
    Show HN discussion Audio 446 pts
  3. MIT reverse-engineered video wallpaper engine for macOS Tahoe — drop in custom looping video as your desktop background. 664 stars in five days
    Show HN discussion macOS 426 pts
  4. 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
    Hacker News discussion Privacy 385 pts
  5. 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
    Show HN discussion P2P 380 pts
  6. 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
    Hacker News discussion Browser 369 pts
  7. 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
    Hacker News discussion AI Tooling 260 pts
  8. 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
    Show HN discussion Developer Tool 191 pts
  9. 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
    Product Hunt discussion AI Tooling 402 pts
  10. 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
    Reddit r/selfhosted discussion Developer Tool 503 pts
  11. 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
    Reddit r/selfhosted discussion Self-Hosted 154 pts
  12. 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
    Show HN discussion Database 38 pts