C and C++ projects for first-time contributors
This view ranks 238 C and C++ projects for first-time contributors. It weighs responsiveness 35%, accessibility 30%, governance 15%, criticality 10% and rigor 10%.
Rated321929.3%Gated529948.2%Unrated248222.6%Hidden by this lens (1694)
Page 1 of 5 (238 rows)
| Rank | Repository | Score | Coverage | Tier | First reply (median) | No reply in 14 days | Quadrant | Δ rank | Flags | Audited stars | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 11 | OpenRCT2/OpenRCT2C and C++ | 76.34 | 78% · Ceiling B | B (capped) | 9.3 hours | 16% | Sweet Spot | ▲25 | — | ||
| 16 | ros-navigation/navigation2C and C++ | 75.36 | 78% · Ceiling B | B (capped) | 6.1 hours | 1% | Sweet Spot | ▼1 | — | ||
| 19 | google/benchmarkC and C++ | 74.89 | 100% · Full | A | 7.7 hours | 1% | Sweet Spot | ▲8 | — | ||
| 20 | f3d-app/f3dC and C++ | 74.58 | 78% · Ceiling B | B (capped) | 2.9 hours | 1% | Sweet Spot | ▲31 | — | ||
| 53 | lballabio/QuantLibC and C++ | 71.77 | 100% · Full | A | 45.7 hours | 10% | Sweet Spot | ▲149 | — | ||
| 59 | diasurgical/DevilutionXC and C++ | 70.98 | 100% · Full | A | 1.2 hours | 21% | Sweet Spot | ▲82 | — | ||
| 61 | hluk/CopyQC and C++ | 70.69 | 76% · Ceiling B | B (capped) | — | — | Sweet Spot | ▲153 | — | ||
| 68 | microsoft/terminalC and C++ | 70.52 | 85% · Ceiling A | A (capped) | 14.9 hours | 28% | Sweet Spot | ▲130 | — | ||
| 70 | cvxpy/cvxpyC and C++ | 70.41 | 100% · Full | A | 9.7 hours | 4% | Sweet Spot | ▼2 | — | ||
| 75 | qmk/qmk_firmwareC and C++ | 70.22 | 85% · Ceiling A | A (capped) | 7.6 hours | 44% | Sweet Spot | ▲56 | — | ||
| 79 | mumble-voip/mumbleC and C++ | 70.03 | 100% · Full | A | 9.5 hours | 7% | Sweet Spot | ▲45 | — | ||
| 80 | supercollider/supercolliderC and C++ | 70.02 | 100% · Full | A | 4.9 hours | 7% | Sweet Spot | ▲49 | — | ||
| 81 | portapack-mayhem/mayhem-firmwareC and C++ | 69.94 | 100% · Full | B | 7.7 hours | 4% | Sweet Spot | ▲54 | — | ||
| 85 | apache/kvrocksC and C++ | 69.76 | 100% · Full | B | 8.5 hours | 4% | Sweet Spot | ▲47 | — | ||
| 87 | seL4/seL4C and C++ | 69.75 | 100% · Full | B | 2.1 hours | 0% | Sweet Spot | ▲32 | — | ||
| 90 | capstone-engine/capstoneC and C++ | 69.59 | 100% · Full | B | 18.8 hours | 0% | Sweet Spot | ▼18 | — | ||
| 95 | Redot-Engine/redot-engineC and C++ | 69.28 | 100% · Full | B | 22.8 hours | 20% | Sweet Spot | ▲5 | — | ||
| 99 | fontforge/fontforgeC and C++ | 69.12 | 100% · Full | B | 12.2 hours | 6% | Nursery | ▲205 | — | ||
| 101 | swiftlang/swift-corelibs-foundationC and C++ | 68.98 | 96% · Full | B | 11.9 hours | 9% | Sweet Spot | ▲93 | — | ||
| 103 | AFLplusplus/AFLplusplusC and C++ | 68.85 | 100% · Full | B | 18.5 hours | 0% | Nursery | ▲272 | — | ||
| 109 | janet-lang/janetC and C++ | 68.58 | 100% · Full | B | 7.8 hours | 3% | Nursery | ▲235 | — | ||
| 118 | apache/brpcC and C++ | 68.13 | 100% · Full | B | 40.4 hours | 8% | Sweet Spot | ▲12 | — | ||
| 119 | drogonframework/drogonC and C++ | 68.06 | 100% · Full | B | 31.1 hours | 12% | Nursery | ▲193 | — | ||
| 123 | zufuliu/notepad4C and C++ | 67.98 | 75% · Ceiling B | B (capped) | — | 0% | Nursery | ▲324 | — | ||
| 125 | doxygen/doxygenC and C++ | 67.89 | 100% · Full | B | 1.6 hours | 4% | Sweet Spot | ▲67 | — | ||
| 126 | nanopb/nanopbC and C++ | 67.86 | 87% · Ceiling A | B | 4.8 hours | 0% | Nursery | ▲224 | — | ||
| 130 | zeek/zeekC and C++ | 67.81 | 78% · Ceiling B | B (capped) | 15.2 hours | 2% | Sweet Spot | ▲31 | — | ||
| 135 | Stellarium/stellariumC and C++ | 67.67 | 100% · Full | B | 0.9 hours | 0% | Sweet Spot | ▲138 | — | ||
| 136 | MaaXYZ/MaaFrameworkC and C++ | 67.63 | 100% · Full | B | 26.2 hours | 7% | Sweet Spot | ▲191 | — | ||
| 138 | Mbed-TLS/mbedtlsC and C++ | 67.60 | 96% · Full | B | 25.5 hours | 42% | Sweet Spot | ▲240 | — | ||
| 143 | falcosecurity/falcoC and C++ | 67.38 | 100% · Full | B | 0.1 hours | 3% | Sweet Spot | ▲36 | — | ||
| 154 | vanhauser-thc/thc-hydraC and C++ | 67.07 | 96% · Full | B | 7.5 hours | 5% | Nursery | ▲281 | — | ||
| 158 | uxlfoundation/oneTBBC and C++ | 66.94 | 100% · Full | B | 19.7 hours | 9% | Sweet Spot | ▲84 | — | ||
| 177 | aws/s2n-tlsC and C++ | 66.39 | 85% · Ceiling A | B | 18.9 hours | 10% | Sweet Spot | ▲24 | — | ||
| 178 | merbanan/rtl_433C and C++ | 66.38 | 100% · Full | B | 4.6 hours | 12% | Sweet Spot | ▲87 | — | ||
| 179= | raspberrypi/pico-sdkC and C++ | 66.38 | 100% · Full | B | 18.9 hours | 6% | Sweet Spot | ▲83 | — | ||
| 183 | floooh/sokolC and C++ | 66.30 | 91% · Ceiling A | B | 5.6 hours | 0% | Sweet Spot | ▲138 | — | ||
| 186 | htop-dev/htopC and C++ | 66.24 | 100% · Full | B | 7.7 hours | 13% | Sweet Spot | ▲2 | — | ||
| 188 | keepassxreboot/keepassxcC and C++ | 66.21 | 100% · Full | B | 6.3 hours | 22% | Sweet Spot | ▲33 | — | ||
| 194 | microsoft/STLC and C++ | 66.11 | 100% · Full | B | 22.1 hours | 20% | Sweet Spot | ▲179 | — | ||
| 198 | include-what-you-use/include-what-you-useC and C++ | 66.03 | 100% · Full | B | 22 hours | 7% | Sweet Spot | ▲209 | — | ||
| 199= | pbek/QOwnNotesC and C++ | 66.03 | 71% · Ceiling B | B (capped) | — | — | Sweet Spot | ▲92 | — | ||
| 202 | ImageMagick/ImageMagickC and C++ | 65.98 | 100% · Full | B | 11.9 hours | 11% | Sweet Spot | ▲131 | — | ||
| 204 | jbeder/yaml-cppC and C++ | 65.93 | 100% · Full | B | 31.5 hours | 31% | Sweet Spot | ▲260 | — | ||
| 218 | bpftrace/bpftraceC and C++ | 65.68 | 85% · Ceiling A | B | 9.4 hours | 3% | Sweet Spot | ▼134 | — | ||
| 222 | winsiderss/systeminformerC and C++ | 65.56 | 96% · Full | B | 9.2 hours | 21% | Sweet Spot | ▲132 | — | ||
| 224 | CrowCpp/CrowC and C++ | 65.51 | 91% · Ceiling A | B | 11.5 hours | 19% | Nursery | ▲272 | — | ||
| 227 | coturn/coturnC and C++ | 65.46 | 76% · Ceiling B | B (capped) | — | 3% | Sweet Spot | ▲174 | — | ||
| 232 | raspberrypi/linuxC and C++ | 65.39 | 100% · Full | B | 4.5 hours | 6% | Sweet Spot | ▼126 | — | ||
| 234 | osquery/osqueryC and C++ | 65.38 | 100% · Full | B | 39.7 hours | 13% | Sweet Spot | ▼6 | — |
#1178% · Ceiling B
OpenRCT2/OpenRCT2C and C++
Score 76.34 · B (capped)
First reply (median) 9.3 hours · No reply in 14 days 16%
Sweet Spot ▲25
#1678% · Ceiling B
ros-navigation/navigation2C and C++
Score 75.36 · B (capped)
First reply (median) 6.1 hours · No reply in 14 days 1%
Sweet Spot ▼1
#19100% · Full
google/benchmarkC and C++
Score 74.89 · A
First reply (median) 7.7 hours · No reply in 14 days 1%
Sweet Spot ▲8
#2078% · Ceiling B
f3d-app/f3dC and C++
Score 74.58 · B (capped)
First reply (median) 2.9 hours · No reply in 14 days 1%
Sweet Spot ▲31
#53100% · Full
lballabio/QuantLibC and C++
Score 71.77 · A
First reply (median) 45.7 hours · No reply in 14 days 10%
Sweet Spot ▲149
#59100% · Full
diasurgical/DevilutionXC and C++
Score 70.98 · A
First reply (median) 1.2 hours · No reply in 14 days 21%
Sweet Spot ▲82
#6176% · Ceiling B
hluk/CopyQC and C++
Score 70.69 · B (capped)
First reply (median) — · No reply in 14 days —
Sweet Spot ▲153
#6885% · Ceiling A
microsoft/terminalC and C++
Score 70.52 · A (capped)
First reply (median) 14.9 hours · No reply in 14 days 28%
Sweet Spot ▲130
#70100% · Full
cvxpy/cvxpyC and C++
Score 70.41 · A
First reply (median) 9.7 hours · No reply in 14 days 4%
Sweet Spot ▼2
#7585% · Ceiling A
qmk/qmk_firmwareC and C++
Score 70.22 · A (capped)
First reply (median) 7.6 hours · No reply in 14 days 44%
Sweet Spot ▲56
#79100% · Full
mumble-voip/mumbleC and C++
Score 70.03 · A
First reply (median) 9.5 hours · No reply in 14 days 7%
Sweet Spot ▲45
#80100% · Full
supercollider/supercolliderC and C++
Score 70.02 · A
First reply (median) 4.9 hours · No reply in 14 days 7%
Sweet Spot ▲49
#81100% · Full
portapack-mayhem/mayhem-firmwareC and C++
Score 69.94 · B
First reply (median) 7.7 hours · No reply in 14 days 4%
Sweet Spot ▲54
#85100% · Full
apache/kvrocksC and C++
Score 69.76 · B
First reply (median) 8.5 hours · No reply in 14 days 4%
Sweet Spot ▲47
#87100% · Full
seL4/seL4C and C++
Score 69.75 · B
First reply (median) 2.1 hours · No reply in 14 days 0%
Sweet Spot ▲32
#90100% · Full
capstone-engine/capstoneC and C++
Score 69.59 · B
First reply (median) 18.8 hours · No reply in 14 days 0%
Sweet Spot ▼18
#95100% · Full
Redot-Engine/redot-engineC and C++
Score 69.28 · B
First reply (median) 22.8 hours · No reply in 14 days 20%
Sweet Spot ▲5
#99100% · Full
fontforge/fontforgeC and C++
Score 69.12 · B
First reply (median) 12.2 hours · No reply in 14 days 6%
Nursery ▲205
#10196% · Full
swiftlang/swift-corelibs-foundationC and C++
Score 68.98 · B
First reply (median) 11.9 hours · No reply in 14 days 9%
Sweet Spot ▲93
#103100% · Full
AFLplusplus/AFLplusplusC and C++
Score 68.85 · B
First reply (median) 18.5 hours · No reply in 14 days 0%
Nursery ▲272
#109100% · Full
janet-lang/janetC and C++
Score 68.58 · B
First reply (median) 7.8 hours · No reply in 14 days 3%
Nursery ▲235
#118100% · Full
apache/brpcC and C++
Score 68.13 · B
First reply (median) 40.4 hours · No reply in 14 days 8%
Sweet Spot ▲12
#119100% · Full
drogonframework/drogonC and C++
Score 68.06 · B
First reply (median) 31.1 hours · No reply in 14 days 12%
Nursery ▲193
#12375% · Ceiling B
zufuliu/notepad4C and C++
Score 67.98 · B (capped)
First reply (median) — · No reply in 14 days 0%
Nursery ▲324
#125100% · Full
doxygen/doxygenC and C++
Score 67.89 · B
First reply (median) 1.6 hours · No reply in 14 days 4%
Sweet Spot ▲67
#12687% · Ceiling A
nanopb/nanopbC and C++
Score 67.86 · B
First reply (median) 4.8 hours · No reply in 14 days 0%
Nursery ▲224
#13078% · Ceiling B
zeek/zeekC and C++
Score 67.81 · B (capped)
First reply (median) 15.2 hours · No reply in 14 days 2%
Sweet Spot ▲31
#135100% · Full
Stellarium/stellariumC and C++
Score 67.67 · B
First reply (median) 0.9 hours · No reply in 14 days 0%
Sweet Spot ▲138
#136100% · Full
MaaXYZ/MaaFrameworkC and C++
Score 67.63 · B
First reply (median) 26.2 hours · No reply in 14 days 7%
Sweet Spot ▲191
#13896% · Full
Mbed-TLS/mbedtlsC and C++
Score 67.60 · B
First reply (median) 25.5 hours · No reply in 14 days 42%
Sweet Spot ▲240
#143100% · Full
falcosecurity/falcoC and C++
Score 67.38 · B
First reply (median) 0.1 hours · No reply in 14 days 3%
Sweet Spot ▲36
#15496% · Full
vanhauser-thc/thc-hydraC and C++
Score 67.07 · B
First reply (median) 7.5 hours · No reply in 14 days 5%
Nursery ▲281
#158100% · Full
uxlfoundation/oneTBBC and C++
Score 66.94 · B
First reply (median) 19.7 hours · No reply in 14 days 9%
Sweet Spot ▲84
#17785% · Ceiling A
aws/s2n-tlsC and C++
Score 66.39 · B
First reply (median) 18.9 hours · No reply in 14 days 10%
Sweet Spot ▲24
#178100% · Full
merbanan/rtl_433C and C++
Score 66.38 · B
First reply (median) 4.6 hours · No reply in 14 days 12%
Sweet Spot ▲87
#179=100% · Full
raspberrypi/pico-sdkC and C++
Score 66.38 · B
First reply (median) 18.9 hours · No reply in 14 days 6%
Sweet Spot ▲83
#18391% · Ceiling A
floooh/sokolC and C++
Score 66.30 · B
First reply (median) 5.6 hours · No reply in 14 days 0%
Sweet Spot ▲138
#186100% · Full
htop-dev/htopC and C++
Score 66.24 · B
First reply (median) 7.7 hours · No reply in 14 days 13%
Sweet Spot ▲2
#188100% · Full
keepassxreboot/keepassxcC and C++
Score 66.21 · B
First reply (median) 6.3 hours · No reply in 14 days 22%
Sweet Spot ▲33
#194100% · Full
microsoft/STLC and C++
Score 66.11 · B
First reply (median) 22.1 hours · No reply in 14 days 20%
Sweet Spot ▲179
#198100% · Full
Score 66.03 · B
First reply (median) 22 hours · No reply in 14 days 7%
Sweet Spot ▲209
#199=71% · Ceiling B
pbek/QOwnNotesC and C++
Score 66.03 · B (capped)
First reply (median) — · No reply in 14 days —
Sweet Spot ▲92
#202100% · Full
ImageMagick/ImageMagickC and C++
Score 65.98 · B
First reply (median) 11.9 hours · No reply in 14 days 11%
Sweet Spot ▲131
#204100% · Full
jbeder/yaml-cppC and C++
Score 65.93 · B
First reply (median) 31.5 hours · No reply in 14 days 31%
Sweet Spot ▲260
#21885% · Ceiling A
bpftrace/bpftraceC and C++
Score 65.68 · B
First reply (median) 9.4 hours · No reply in 14 days 3%
Sweet Spot ▼134
#22296% · Full
winsiderss/systeminformerC and C++
Score 65.56 · B
First reply (median) 9.2 hours · No reply in 14 days 21%
Sweet Spot ▲132
#22491% · Ceiling A
CrowCpp/CrowC and C++
Score 65.51 · B
First reply (median) 11.5 hours · No reply in 14 days 19%
Nursery ▲272
#22776% · Ceiling B
coturn/coturnC and C++
Score 65.46 · B (capped)
First reply (median) — · No reply in 14 days 3%
Sweet Spot ▲174
#232100% · Full
raspberrypi/linuxC and C++
Score 65.39 · B
First reply (median) 4.5 hours · No reply in 14 days 6%
Sweet Spot ▼126
#234100% · Full
osquery/osqueryC and C++
Score 65.38 · B
First reply (median) 39.7 hours · No reply in 14 days 13%
Sweet Spot ▼6
Page 1 of 5 (238 rows)