The Classical Language Toolkit is a Python library for natural language processing of pre modern languages.
Open source
24 alternativesRt911
This project collects September 11 attack recordings and synchronizes them in a media player to present events in sequence.
About Rt911
Rt911 is an open source repository for 911realtime.org, which collects September 11 attack multimedia and synchronizes it in a common player to present events in sequence across television, radio, pagers, and the web. The version 2 rewrite presents the material in a Mac OS 8-style desktop with apps for TV, radio scanning, pager decoding, news, program guide, archived newspapers, photos, video, archived websites, and Usenet discussions.
Running it requires cloning the repository and installing the toolchain, including Node 25 and pnpm 10, with Go 1.25 and Python 3.12 for the tools package. The retro Browser app also requires a separate TimeMachine proxy to load Wayback Machine snapshots.
Key features
- Synchronizes television, radio, pager, and web media on shared timeline
- Mac OS 8-style desktop interface for browsing period media
- Finder with 49 archived September 11, 2001 newspaper front pages
- Multi-channel TV player with scrollable thumbnails and persistent streams
- Pager decoder streaming POCSAG/FLEX messages with address filtering
- Usenet reader with group tree, search, and on-demand message bodies
Best for: People studying September 11, 2001 through synchronized period television, radio, pager, print, and web records.
Good for
- Covers TV, radio, pagers, archived web, newspapers, photos, and newsgroups
- Organized as a monorepo with separate frontend, backend, and tools packages
- Presents synchronized material in a Mac OS 8-style desktop interface
Watch out for
- Requires local setup with Node 25, pnpm 10, Go, and Python for tools
- Retro Browser requires a separate TimeMachine proxy for archived snapshots
Rt911 at a glance
- Category
- Education & Learning › History & Humanities
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- macOS
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Rt911 FAQ
How do I run Rt911 locally?
From the repository root run pnpm install then pnpm dev, then open http://localhost:5173 in a browser.
What is needed to use the Browser app?
The Browser requires the TimeMachine proxy to fetch archived website snapshots from the Wayback Machine.
Where is the live site?
The project site is at https://911realtime.org.
Is something wrong or out of date?
Tell us and an editor will check it.
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