GitHub · by Xiangyu-CAS

ReaCut: open-source video editor rebuilt from REA-assisted Jianying/CapCut research

An independent Electron/React/FFmpeg video editor for macOS, informed by REA-assisted study of Jianying/CapCut interface behavior and local project formats, with no proprietary code or assets copied.

● Feature rebuildsInvestigations
Teardown of Wispr Flow Using REA and a 64-Line Local Rebuild
Static teardown of Wispr Flow's speech-to-paste pipeline with each claim labelled proven, inferred or hidden, plus a tiny local rebuild.
az9713
@az9713
● Feature rebuildsGitHub
Rebuilding Codex CLI's `codex exec` in Python with REA: hidden test kit
Claude Code with REA rebuilt the non-interactive mode of OpenAI's Codex CLI in Python from the installed files. The repo has the hidden test, a fake Responses API server, scorers and the AI's notes.
Agent
Claude Code
Target
OpenAI Codex CLI (codex exec)
Hard test, second copy (
320/325 = 98.5%
AI cost
about $16.80 in total
softsweb
github.com
● Feature rebuildsGitHub
hexgrab: a .NET 10 color picker built through REA
Studied the shipped PowerToys Color Picker binaries with REA, built an independent version, and graded REA 8 of 9 against the real source.
Mukesh Murugan
@iammukeshm
● Feature rebuildsGitHub
Quire: browser sketch board rebuilt after studying Excalidraw with REA
A static browser sketch board (shapes, arrows, ink, text, sticky notes) built as an original rebuild after the public Excalidraw whiteboard was studied with REA.
Target
Excalidraw public whiteboard (we
Tool
REA
Output
Original static JavaScript sketc
silatanui
github.com
● Feature rebuildsGitHub
Mail Track: Mailsuite extension mechanics reverse-engineered with REA and rebuilt
Author reverse engineered the Mailsuite/Mailtrack Chrome extension (mailsuite.crx) with REA, then rebuilt its pixel beacon, link redirect, checkmark states and WebSocket dashboard as a small Node.js and Chrome extension
Target
mailsuite.crx v12.99.1 (Chrome e
Agent tool
REA
Output
Node.js tracking server + Chrome
Naveenkr1
github.com
● Feature rebuildsGitHub
Canvas Notes: self-hosted Milanote-style board app, features mapped with REA
A self-hosted visual notes app. Milanote's features were catalogued from its UI strings with REA and compared against what was built, with a separate doc on how the data model was studied.
Tool
REA
Target
Milanote UI strings and data mod
Language
TypeScript
yashsuthar00
github.com

ReaCut: open-source video editor rebuilt from REA-assisted Jianying/CapCut research

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Teardown of Wispr Flow Using REA and a 64-Line Local Rebuild

Rebuilding Codex CLI's `codex exec` in Python with REA: hidden test kit

hexgrab: a .NET 10 color picker built through REA

Quire: browser sketch board rebuilt after studying Excalidraw with REA

Mail Track: Mailsuite extension mechanics reverse-engineered with REA and rebuilt

Canvas Notes: self-hosted Milanote-style board app, features mapped with REA