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berrry-wine vgrichina/berrry-wine

Run real Windows 98 apps and games in your browser. An x86 emulator and Win32 layer written directly in WebAssembly Text, no OS image, no source ports.

https://berrry.wine ↗

HEALTH 79 / Stable

// solo builder emulatorswebassemblywinebrowser-gamesdirectxemulatorretro-gamingretrocomputingreverse-engineeringwasm

// readme

Wine-Assembly: run real Windows 98 apps and games in your browser

Try it now → wine-assembly.berrry.app · Apps you can run · The story of how it was built · How it works: articles, design docs & reverse-engineering notes

Wine-Assembly is a Windows 98 emulator for the browser that runs the original, unmodified .exe files. There is no operating-system image to boot and no source port to maintain: an x86 interpreter and a reimplementation of the Win32 API are written directly in WebAssembly Text (WAT), and the program’s own machine code runs on them. Pinball, SkiFree, Solitaire, Minesweeper, Notepad, Paint, Winamp, DirectX games and 16-bit Windows 3.1 programs all launch in a tab, on desktop and on a phone.

Large parts of the reverse engineering, implementation, testing, and documentation were developed in collaboration with Claude Code and Codex. PROJECT_STORY.md reconstructs that history from Git and the agent sessions that built…

↑ The Undervalued Score +

How much a project earns versus how much attention it actually gets. Above 50 means the work is outrunning its audience. Recomputed nightly from commit velocity, contributor effort, issue resolution, fork utility, release cadence, and project maturity — divided by a logarithmic reach factor.

score  = signal / reach

signal = 0.25·commit_velocity   // commits in last 90 days (cap 30)
       + 0.20·contributor_work  // unique authors × velocity (cap 100)
       + 0.20·issue_resolution  // closed ÷ total issues
       + 0.20·fork_ratio        // forks ÷ stars (proxy for real usage)
       + 0.10·release_cadence   // releases in 90 days (cap 3)
       + age_bonus              // +0 to +0.30 after 6 months
       + homepage_bonus         // +0.05 if homepage is set

reach  = log₁₀(stars + watchers + 10)█

♥ The Health Score +

Is the project alive and maintained right now? A 0–100 pulse recomputed nightly from commit recency, rhythm, how fast issues close, and how quickly PRs get merged.

health = 0.35·recency       // days since last commit (90d decay)
       + 0.25·cadence       // commit rhythm consistency
       + 0.20·issue_health  // closed ÷ total issues
       + 0.20·pr_health     // merged ÷ total PRs█

◷ Health bands +

The colour and label on every card come straight from the health score.

Healthy   80 – 100   active, responsive, regular releases
Stable    60 – 79    maintained, steady, no alarms
Quiet     40 – 59    slowing down — watch this one
At Risk    0 – 39    going dark · candidate for rescue█

// Tags — what each label means +

Tags are independent behavioral signals computed nightly. A project can hold multiple at once. They drive the home page sections.

solo_builder      one person holds > 80% of commits (last 180d)
needs_contributors has open "help wanted" or "good first issue" labels
hidden_gem        < 100 stars · active in last 3 months · documented
legacy_hero       repo > 5 years old · committed this year
fork_magnet       forks/stars > 0.5 · used as template or dependency
release_machine   5+ releases in the last 90 days
under_pressure    > 10 open issues · ≤ 2 contributors · health ≥ 60
community_watch   watchers > stars · devs tracking before the public
community_hub     GitHub Discussions enabled · > 20 discussions
funded            maintainer has active funding channel█

★ Why rank against stars at all? +

Stars are an outcome, not effort. A project with 8 stars and daily commits is doing more interesting work than one coasting on 8k. We measure the building, then divide by the attention already received — so the genuinely undervalued rise to the top.

// stars   = lagging indicator
// commits = leading indicator
// we rank by the leading one█