Tandem

Judgement

What it is

Developer tool

What it does

Peer-to-peer collaborative text editing across Sublime Text and Neovim through editor plugins, a Python agent and a CRDT.

Adopt it when

Rarely today; look at it only to study how cross-editor collaboration can be built.

Watch out

Abandoned since 2023, macOS-focused, and it needs Python 3.6 and an old Node.js.

Ready for

Experimental

Runs as

Command line

Built with

Python, JavaScript and Node.js

How established

Established: started 9 years ago, no tagged release yet.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Tandem → CPython → GCC → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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