C and C++ projects that answer outside pull requests
Porchlamp ranks 488 C and C++ projects by what happens to a stranger's pull request. Among the 391 judged C and C++ projects, 18.7% left most outside pull requests unanswered for 14 days, against 23.2% across all six ecosystems.
C and C++ projects for first-time contributors · Fastest first reply to pull requests: C and C++ projects
Rated321929.3%Gated529948.2%Unrated248222.6%
Page 1 of 10 (488 rows)
| Rank | Repository | Score | Coverage | Tier | First reply (median) | No reply in 14 days | Quadrant | Flags | Audited stars | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 | ros-navigation/navigation2C and C++ | 72.23 | 88% · Ceiling A | A (capped) | 6.1 hours | 1% | Sweet Spot | — | ||
| 27 | google/benchmarkC and C++ | 70.45 | 100% · Full | A | 7.7 hours | 1% | Sweet Spot | — | ||
| 36 | OpenRCT2/OpenRCT2C and C++ | 69.25 | 88% · Ceiling A | B | 9.3 hours | 16% | Sweet Spot | — | ||
| 51 | f3d-app/f3dC and C++ | 68.76 | 88% · Ceiling A | B | 2.9 hours | 1% | Sweet Spot | — | ||
| 68 | cvxpy/cvxpyC and C++ | 68.02 | 100% · Full | B | 9.7 hours | 4% | Sweet Spot | — | ||
| 72 | capstone-engine/capstoneC and C++ | 67.80 | 100% · Full | B | 18.8 hours | 0% | Sweet Spot | — | ||
| 84 | bpftrace/bpftraceC and C++ | 67.30 | 93% · Ceiling A | B | 9.4 hours | 3% | Sweet Spot | — | ||
| 100 | Redot-Engine/redot-engineC and C++ | 66.78 | 100% · Full | B | 22.8 hours | 20% | Sweet Spot | — | ||
| 106 | raspberrypi/linuxC and C++ | 66.64 | 100% · Full | B | 4.5 hours | 6% | Sweet Spot | — | ||
| 119 | seL4/seL4C and C++ | 66.24 | 100% · Full | B | 2.1 hours | 0% | Sweet Spot | — | ||
| 124 | mumble-voip/mumbleC and C++ | 66.09 | 100% · Full | B | 9.5 hours | 7% | Sweet Spot | — | ||
| 129 | supercollider/supercolliderC and C++ | 65.89 | 100% · Full | B | 4.9 hours | 7% | Sweet Spot | — | ||
| 130= | apache/brpcC and C++ | 65.89 | 100% · Full | B | 40.4 hours | 8% | Sweet Spot | — | ||
| 131= | qmk/qmk_firmwareC and C++ | 65.89 | 93% · Ceiling A | B | 7.6 hours | 44% | Sweet Spot | — | ||
| 132 | apache/kvrocksC and C++ | 65.87 | 100% · Full | B | 8.5 hours | 4% | Sweet Spot | — | ||
| 135 | portapack-mayhem/mayhem-firmwareC and C++ | 65.82 | 100% · Full | B | 7.7 hours | 4% | Sweet Spot | — | ||
| 141 | diasurgical/DevilutionXC and C++ | 65.67 | 100% · Full | B | 1.2 hours | 21% | Sweet Spot | — | ||
| 161 | zeek/zeekC and C++ | 65.13 | 88% · Ceiling A | B | 15.2 hours | 2% | Sweet Spot | — | ||
| 179 | falcosecurity/falcoC and C++ | 64.60 | 100% · Full | B | 0.1 hours | 3% | Sweet Spot | — | ||
| 188 | htop-dev/htopC and C++ | 64.42 | 100% · Full | B | 7.7 hours | 13% | Sweet Spot | — | ||
| 192 | doxygen/doxygenC and C++ | 64.36 | 100% · Full | B | 1.6 hours | 4% | Sweet Spot | — | ||
| 194 | swiftlang/swift-corelibs-foundationC and C++ | 64.31 | 98% · Full | B | 11.9 hours | 9% | Sweet Spot | — | ||
| 198 | microsoft/terminalC and C++ | 64.21 | 93% · Ceiling A | B | 14.9 hours | 28% | Sweet Spot | — | ||
| 201 | aws/s2n-tlsC and C++ | 64.17 | 93% · Ceiling A | B | 18.9 hours | 10% | Sweet Spot | — | ||
| 202 | lballabio/QuantLibC and C++ | 64.15 | 100% · Full | B | 45.7 hours | 10% | Sweet Spot | — | ||
| 207 | hzeller/rpi-rgb-led-matrixC and C++ | 64.07 | 81% · Ceiling A | B | — | 0% | Sweet Spot | — | ||
| 214 | hluk/CopyQC and C++ | 63.93 | 83% · Ceiling A | B | — | — | Sweet Spot | — | ||
| 221 | keepassxreboot/keepassxcC and C++ | 63.74 | 100% · Full | B | 6.3 hours | 22% | Sweet Spot | — | ||
| 228 | osquery/osqueryC and C++ | 63.67 | 100% · Full | B | 39.7 hours | 13% | Sweet Spot | — | ||
| 239 | FEX-Emu/FEXC and C++ | 63.45 | 88% · Ceiling A | B | 1 hour | 1% | Sweet Spot | — | ||
| 242 | uxlfoundation/oneTBBC and C++ | 63.40 | 100% · Full | B | 19.7 hours | 9% | Sweet Spot | — | ||
| 243= | libuv/libuvC and C++ | 63.40 | 100% · Full | B | 6.6 hours | 16% | Sweet Spot | — | ||
| 246 | networkupstools/nutC and C++ | 63.38 | 100% · Full | B | 11.3 hours | 6% | Sweet Spot | — | ||
| 262 | raspberrypi/pico-sdkC and C++ | 63.09 | 100% · Full | B | 18.9 hours | 6% | Sweet Spot | — | ||
| 265 | merbanan/rtl_433C and C++ | 63.04 | 100% · Full | B | 4.6 hours | 12% | Sweet Spot | — | ||
| 273 | Stellarium/stellariumC and C++ | 62.95 | 100% · Full | B | 0.9 hours | 0% | Sweet Spot | — | ||
| 274= | PrismLauncher/PrismLauncherC and C++ | 62.95 | 88% · Ceiling A | B | 4.9 hours | 12% | Sweet Spot | — | ||
| 282 | MrGlockenspiel/activate-linuxC and C++ | 62.87 | 65% · Ceiling B | B (capped) | — | — | Sweet Spot | — | ||
| 291 | pbek/QOwnNotesC and C++ | 62.75 | 80% · Ceiling A | B | — | — | Sweet Spot | — | ||
| 292 | orioledb/orioledbC and C++ | 62.72 | 95% · Full | B | 5.4 hours | 7% | Sweet Spot | — | ||
| 297 | flipperdevices/flipperzero-firmwareC and C++ | 62.66 | 100% · Full | B | 5.9 hours | 29% | Sweet Spot | — | ||
| 304 | fontforge/fontforgeC and C++ | 62.51 | 100% · Full | B | 12.2 hours | 6% | Nursery | — | ||
| 312 | drogonframework/drogonC and C++ | 62.37 | 100% · Full | B | 31.1 hours | 12% | Nursery | — | ||
| 317 | rakshasa/rtorrentC and C++ | 62.30 | 100% · Full | B | 8.6 hours | 2% | Sweet Spot | — | ||
| 321 | floooh/sokolC and C++ | 62.25 | 94% · Ceiling A | B | 5.6 hours | 0% | Sweet Spot | — | ||
| 327 | MaaXYZ/MaaFrameworkC and C++ | 62.17 | 100% · Full | B | 26.2 hours | 7% | Sweet Spot | — | ||
| 330 | ggml-org/whisper.cppC and C++ | 62.14 | 100% · Full | B | 3.4 days | 41% | Sweet Spot | — | ||
| 333 | ImageMagick/ImageMagickC and C++ | 62.08 | 100% · Full | B | 11.9 hours | 11% | Sweet Spot | — | ||
| 344 | janet-lang/janetC and C++ | 61.89 | 100% · Full | B | 7.8 hours | 3% | Nursery | — | ||
| 350 | nanopb/nanopbC and C++ | 61.81 | 92% · Ceiling A | B | 4.8 hours | 0% | Nursery | — |
#1588% · Ceiling A
ros-navigation/navigation2C and C++
Score 72.23 · A (capped)
First reply (median) 6.1 hours · No reply in 14 days 1%
Sweet Spot
#27100% · Full
google/benchmarkC and C++
Score 70.45 · A
First reply (median) 7.7 hours · No reply in 14 days 1%
Sweet Spot
#3688% · Ceiling A
OpenRCT2/OpenRCT2C and C++
Score 69.25 · B
First reply (median) 9.3 hours · No reply in 14 days 16%
Sweet Spot
#5188% · Ceiling A
f3d-app/f3dC and C++
Score 68.76 · B
First reply (median) 2.9 hours · No reply in 14 days 1%
Sweet Spot
#68100% · Full
cvxpy/cvxpyC and C++
Score 68.02 · B
First reply (median) 9.7 hours · No reply in 14 days 4%
Sweet Spot
#72100% · Full
capstone-engine/capstoneC and C++
Score 67.80 · B
First reply (median) 18.8 hours · No reply in 14 days 0%
Sweet Spot
#8493% · Ceiling A
bpftrace/bpftraceC and C++
Score 67.30 · B
First reply (median) 9.4 hours · No reply in 14 days 3%
Sweet Spot
#100100% · Full
Redot-Engine/redot-engineC and C++
Score 66.78 · B
First reply (median) 22.8 hours · No reply in 14 days 20%
Sweet Spot
#106100% · Full
raspberrypi/linuxC and C++
Score 66.64 · B
First reply (median) 4.5 hours · No reply in 14 days 6%
Sweet Spot
#119100% · Full
seL4/seL4C and C++
Score 66.24 · B
First reply (median) 2.1 hours · No reply in 14 days 0%
Sweet Spot
#124100% · Full
mumble-voip/mumbleC and C++
Score 66.09 · B
First reply (median) 9.5 hours · No reply in 14 days 7%
Sweet Spot
#129100% · Full
supercollider/supercolliderC and C++
Score 65.89 · B
First reply (median) 4.9 hours · No reply in 14 days 7%
Sweet Spot
#130=100% · Full
apache/brpcC and C++
Score 65.89 · B
First reply (median) 40.4 hours · No reply in 14 days 8%
Sweet Spot
#131=93% · Ceiling A
qmk/qmk_firmwareC and C++
Score 65.89 · B
First reply (median) 7.6 hours · No reply in 14 days 44%
Sweet Spot
#132100% · Full
apache/kvrocksC and C++
Score 65.87 · B
First reply (median) 8.5 hours · No reply in 14 days 4%
Sweet Spot
#135100% · Full
portapack-mayhem/mayhem-firmwareC and C++
Score 65.82 · B
First reply (median) 7.7 hours · No reply in 14 days 4%
Sweet Spot
#141100% · Full
diasurgical/DevilutionXC and C++
Score 65.67 · B
First reply (median) 1.2 hours · No reply in 14 days 21%
Sweet Spot
#16188% · Ceiling A
zeek/zeekC and C++
Score 65.13 · B
First reply (median) 15.2 hours · No reply in 14 days 2%
Sweet Spot
#179100% · Full
falcosecurity/falcoC and C++
Score 64.60 · B
First reply (median) 0.1 hours · No reply in 14 days 3%
Sweet Spot
#188100% · Full
htop-dev/htopC and C++
Score 64.42 · B
First reply (median) 7.7 hours · No reply in 14 days 13%
Sweet Spot
#192100% · Full
doxygen/doxygenC and C++
Score 64.36 · B
First reply (median) 1.6 hours · No reply in 14 days 4%
Sweet Spot
#19498% · Full
swiftlang/swift-corelibs-foundationC and C++
Score 64.31 · B
First reply (median) 11.9 hours · No reply in 14 days 9%
Sweet Spot
#19893% · Ceiling A
microsoft/terminalC and C++
Score 64.21 · B
First reply (median) 14.9 hours · No reply in 14 days 28%
Sweet Spot
#20193% · Ceiling A
aws/s2n-tlsC and C++
Score 64.17 · B
First reply (median) 18.9 hours · No reply in 14 days 10%
Sweet Spot
#202100% · Full
lballabio/QuantLibC and C++
Score 64.15 · B
First reply (median) 45.7 hours · No reply in 14 days 10%
Sweet Spot
#20781% · Ceiling A
hzeller/rpi-rgb-led-matrixC and C++
Score 64.07 · B
First reply (median) — · No reply in 14 days 0%
Sweet Spot
#21483% · Ceiling A
hluk/CopyQC and C++
Score 63.93 · B
First reply (median) — · No reply in 14 days —
Sweet Spot
#221100% · Full
keepassxreboot/keepassxcC and C++
Score 63.74 · B
First reply (median) 6.3 hours · No reply in 14 days 22%
Sweet Spot
#228100% · Full
osquery/osqueryC and C++
Score 63.67 · B
First reply (median) 39.7 hours · No reply in 14 days 13%
Sweet Spot
#23988% · Ceiling A
FEX-Emu/FEXC and C++
Score 63.45 · B
First reply (median) 1 hour · No reply in 14 days 1%
Sweet Spot
#242100% · Full
uxlfoundation/oneTBBC and C++
Score 63.40 · B
First reply (median) 19.7 hours · No reply in 14 days 9%
Sweet Spot
#243=100% · Full
libuv/libuvC and C++
Score 63.40 · B
First reply (median) 6.6 hours · No reply in 14 days 16%
Sweet Spot
#246100% · Full
networkupstools/nutC and C++
Score 63.38 · B
First reply (median) 11.3 hours · No reply in 14 days 6%
Sweet Spot
#262100% · Full
raspberrypi/pico-sdkC and C++
Score 63.09 · B
First reply (median) 18.9 hours · No reply in 14 days 6%
Sweet Spot
#265100% · Full
merbanan/rtl_433C and C++
Score 63.04 · B
First reply (median) 4.6 hours · No reply in 14 days 12%
Sweet Spot
#273100% · Full
Stellarium/stellariumC and C++
Score 62.95 · B
First reply (median) 0.9 hours · No reply in 14 days 0%
Sweet Spot
#274=88% · Ceiling A
PrismLauncher/PrismLauncherC and C++
Score 62.95 · B
First reply (median) 4.9 hours · No reply in 14 days 12%
Sweet Spot
#28265% · Ceiling B
MrGlockenspiel/activate-linuxC and C++
Score 62.87 · B (capped)
First reply (median) — · No reply in 14 days —
Sweet Spot
#29180% · Ceiling A
pbek/QOwnNotesC and C++
Score 62.75 · B
First reply (median) — · No reply in 14 days —
Sweet Spot
#29295% · Full
orioledb/orioledbC and C++
Score 62.72 · B
First reply (median) 5.4 hours · No reply in 14 days 7%
Sweet Spot
#297100% · Full
flipperdevices/flipperzero-firmwareC and C++
Score 62.66 · B
First reply (median) 5.9 hours · No reply in 14 days 29%
Sweet Spot
#304100% · Full
fontforge/fontforgeC and C++
Score 62.51 · B
First reply (median) 12.2 hours · No reply in 14 days 6%
Nursery
#312100% · Full
drogonframework/drogonC and C++
Score 62.37 · B
First reply (median) 31.1 hours · No reply in 14 days 12%
Nursery
#317100% · Full
rakshasa/rtorrentC and C++
Score 62.30 · B
First reply (median) 8.6 hours · No reply in 14 days 2%
Sweet Spot
#32194% · Ceiling A
floooh/sokolC and C++
Score 62.25 · B
First reply (median) 5.6 hours · No reply in 14 days 0%
Sweet Spot
#327100% · Full
MaaXYZ/MaaFrameworkC and C++
Score 62.17 · B
First reply (median) 26.2 hours · No reply in 14 days 7%
Sweet Spot
#330100% · Full
ggml-org/whisper.cppC and C++
Score 62.14 · B
First reply (median) 3.4 days · No reply in 14 days 41%
Sweet Spot
#333100% · Full
ImageMagick/ImageMagickC and C++
Score 62.08 · B
First reply (median) 11.9 hours · No reply in 14 days 11%
Sweet Spot
#344100% · Full
janet-lang/janetC and C++
Score 61.89 · B
First reply (median) 7.8 hours · No reply in 14 days 3%
Nursery
#35092% · Ceiling A
nanopb/nanopbC and C++
Score 61.81 · B
First reply (median) 4.8 hours · No reply in 14 days 0%
Nursery
Page 1 of 10 (488 rows)