👁️ UltraVNC Server, UltraVNC Viewer, UltraVNC Repeater and UltraVNC SC | Official repository: https://github.com/ultravnc/UltraVNC
C-Rank Grade: B (Solid) - 42/100
External PR Merge Rate: 40%
Response Time: 31d
First Timer Success: 100%
ultravnc/UltraVNC has a recorded first-timer success rate of 100.0%. Repositories ranked B typically provide actionable feedback during code reviews and actively nurture new community contributors.
Maintainers in ultravnc/UltraVNC respond to incoming external pull requests in approximately 732.3 hours on average. Keeping PRs focused on single tasks and ensuring tests pass helps maintainers review faster.
The C-Rank™ system evaluates GitHub projects on a 0–100 scale using real data: PR merge rates, review turnaround time, active maintainer presence, and first-time contributor success. A score of 42.2 places ultravnc/UltraVNC in the B tier.
The external contributor pull request merge rate for ultravnc/UltraVNC is 40.0%, based on public PR activity from non-core contributors.
ultravnc/UltraVNC currently has 9 active issue(s) tagged with beginner-friendly labels like "good first issue", "beginner", or "up-for-grabs".
Active maintainer team in ultravnc/UltraVNC welcoming community pull requests and bug fixes.
Average Response Latency
Tracks hours until a maintainer leaves a review, comment, or PR response.
External Acceptance Rate
Percentage of community pull requests successfully merged into main.
First PR Conversion
Rate at which developers submitting their first repository PR succeed.
Show contributors that your repository actively reviews and merges external pull requests.
[](https://getmerged.abhishekco.de/ultravnc/UltraVNC?utm_source=github&utm_medium=badge)
External PR acceptance
First PR success rate
50% receive response in
90% receive response in
Maintainer review activity heatmap & prime window prediction
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Detected: UTC
Maintainers are most responsive around 14:00 UTC (14:00 UTC in your timezone). Recommended submission window is Monday - Wednesday from 12:00 to 16:00 UTC (12:00 - 16:00 UTC local).
Limited recent maintainer review activity recorded for this repository. Prediction based on heuristic baseline.
Maintainer Strategy: Maintainer Sweet Spot: PRs under 150 lines merge in ~476 hours (50% approval). Large PRs (>500 lines) take ~3515 hours (18% approval). Keep your diff compact for rapid review.
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Dear all, Currently, UltraVNC is supported on Windows OS x86 and x64 machines. We always search help to have a full support on *Solaris. Any help is welcome. Thanks in advance.
Dear all, Currently, UltraVNC is supported on Windows OS x86 and x64 machines. We always search help to have a full support on *BSD. Any help is welcome. Thanks in advance.
Dear all, Currently, UltraVNC is supported on Windows OS x86 and x64 machines. We always search help to have a full support on Linux. Any help is welcome. Thanks in advance.
Dear all, Currently, UltraVNC is supported on Windows OS x86 and x64 machines. We always search help to have a full support on macOS. Any help is welcome. Thanks in advance.
Dear all, Currently, UltraVNC is supported on Windows OS x86 and x64 machines. We always search help to have a full Windows OS ARM/ARM64 support. Any help is welcome. Thanks in advance.
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When evaluating whether to contribute to ultravnc/UltraVNC, response velocity and maintainer engagement are crucial. GetMerged continuously tracks pull request trajectories, first-comment latency, and code review rounds to help developers avoid submitting pull requests to backlogged repositories.
Currently, maintainers of ultravnc/UltraVNC acknowledge new external contributions in approximately 30 days+. Out of all submitted pull requests from non-core authors in the last 180-day window, 40.0% were successfully merged into the primary branch.
ultravnc/UltraVNC has a recorded first-timer success rate of 100.0%. Repositories ranked Solid typically provide actionable feedback during code reviews and actively nurture new community contributors.
The initial maintainer response time averages ~30 days+. Keeping PRs scoped to single concerns and ensuring CI checks succeed will optimize review turnaround.
The C-Rank™ index scores repositories on a 0 to 100 scale using an objective formula: external PR merge rates, initial response speed, active maintainer count, and first-time contributor retention. A score of 42.2 places ultravnc/UltraVNC in the Solid tier.
The external pull request merge rate is 40.0%. GetMerged isolates non-core community contributions so external developers get an accurate benchmark of PR acceptance probability.
Yes, ultravnc/UltraVNC currently has 9 active issue(s) tagged with beginner-friendly labels. You can inspect these directly from the repository issues tab.
All metrics displayed for ultravnc/UltraVNC are automatically retrieved via the public GitHub API and recalculated daily. Insider pull requests submitted by repository owners or organization members are excluded from merge rate calculations to preserve objective external contributor statistics.