| oFono - Open Source Telephony | 261,788 | C/C++ | 
              
                | oaFileParser | 30,235 | C/C++ | 
              
                | obfuscated/codeblocks_sf | pending build | C/C++ | 
              
                | obgm/libcoap | 76,343 | C/C++ | 
              
                | obhi-d/ouly | 197,911 | C/C++ | 
              
                | objdetect | 81,550 | C/C++ | 
              
                | objeck/objeck-lang | 221,464 | C/C++ | 
              
                | obmc | pending build | C/C++ | 
              
                | oboroc/bdecli | pending build | C/C++ | 
              
                | obs-studio-node | pending build | C/C++ | 
              
                | ocean390/kafel | pending build | C/C++ | 
              
                | oceanbase | pending build | C/C++ | 
              
                | ocf-micrakow | 16,442 | C/C++ | 
              
                | ocornoc/metronome32 | pending build | C/C++ | 
              
                | ocornut/imgui | 188,355 | C/C++ | 
              
                | ocserv | 78,388 | C/C++ | 
              
                | ocsync | 132,465 | C/C++ | 
              
                | odedlaz/suex | pending build | C/C++ | 
              
                | odkr/sucgi | 12,240 | C/C++ | 
              
                | odunboye/pong_game | pending build | C/C++ | 
              
                | oep-sensor fusion for traffic management | 798,869 | C/C++ | 
              
                | oetiker/rrdtool-1.x | pending build | C/C++ | 
              
                | offchooffcho/exp2 | pending build | C/C++ | 
              
                | offchooffcho/openfat | pending build | C/C++ | 
              
                | offensi/rippled-fork | pending build | C/C++ | 
              
                | official-stockfish-1 | pending build | C/C++ | 
              
                | offoneerrorr | pending build | C/C++ | 
              
                | ofiwg/fabtests | 42,120 | C/C++ | 
              
                | ofiwg/libfabric | 378,237 | C/C++ | 
              
                | ogg | 13,169 | C/C++ | 
              
                | ogolubovic/binutils-gdb | pending build | C/C++ | 
              
                | oguz-ismail/nat | 6,878 | C/C++ | 
              
                | ohJohanZ/ton | pending build | C/C++ | 
              
                | ohNet | pending build | C/C++ | 
              
                | ohmcoin | pending build | C/C++ | 
              
                | ohmu/pgmemcache | 33,407 | C/C++ | 
              
                | ohnx/barid | 92,616 | C/C++ | 
              
                | ohnx/mail | 18,407 | C/C++ | 
              
                | ohtorii/ShellExtension-DDSFormat | 327,238 | C/C++ | 
              
                | ohtorii/hm_splitpath | 111,699 | C/C++ | 
              
                | ohtorii/unity | 170,352 | C/C++ | 
              
                | oifergan/nDPI | pending build | C/C++ | 
              
                | oiltempMar | pending build | C/C++ | 
              
                | ojaldev/Label | pending build | C/C++ | 
              
                | oknenavin/cxon | 230,249 | C/C++ | 
              
                | oktonion/stdex | pending build | C/C++ | 
              
                | okuoku/mosh | 274,072 | C/C++ | 
              
                | olanmatt/orq | pending build | C/C++ | 
              
                | olcsan1 | 112,069 | C/C++ | 
              
                | old-mcusim | 17,337 | C/C++ | 
              
                | oldnomad/udotool | 12,039 | C/C++ | 
              
                | olear/openfx-arena | 120,866 | C/C++ | 
              
                | olebole/python-cpl | pending build | C/C++ | 
              
                | oleg-derevenetz/bwping | 9,215 | C/C++ | 
              
                | oleksandrkozlov/touch_typing | 86,557 | C/C++ | 
              
                | oleksii-mdr/bitcoin | pending build | C/C++ | 
              
                | olerem/open-ath9k-htc-firmware | pending build | C/C++ | 
              
                | olibc | 155,162 | C/C++ | 
              
                | olifre/alienfx | pending build | C/C++ | 
              
                | oliness/core | pending build | C/C++ | 
              
                | oliness/exim | 149,426 | C/C++ | 
              
                | oliness/libarchive | pending build | C/C++ | 
              
                | oliness/openexr | 368,441 | C/C++ | 
              
                | oliness/openssh-portable | pending build | C/C++ | 
              
                | oliv3/extsmail | 23,156 | C/C++ | 
              
                | oliverkurth/tdnf | pending build | C/C++ | 
              
                | olivierlevon/Bonjour | 472,245 | C/C++ | 
              
                | olivierlevon/Shairport4w | pending build | C/C++ | 
              
                | olivjcr/libpomp | pending build | C/C++ | 
              
                | ollaaa | pending build | C/C++ | 
              
                | ololchike/app-x | pending build | C/C++ | 
              
                | omadoyeabraham/rust-app | pending build | C/C++ | 
              
                | omar2535/BIBIFI-Group-2 | 83,835 | C/C++ | 
              
                | omarkahmed/YAKL | pending build | C/C++ | 
              
                | omf2097/openomf | 57,125 | C/C++ | 
              
                | omniORB | 305,489 | C/C++ | 
              
                | omniti-labs/jlog | 34,922 | C/C++ | 
              
                | omp87/vdms | 253,287 | C/C++ | 
              
                | ondrik/forester | 238,725 | C/C++ | 
              
                | ondrik/libvata | 186,823 | C/C++ | 
              
                | ondrik/libvata2 | 97,072 | C/C++ | 
              
                | oneAPI Collective Communications Library | 279,647 | C/C++ | 
              
                | oneAPI DPC++ Library | pending build | C/C++ | 
              
                | oneAPI Heterogeneous Data Kernels | pending build | C/C++ | 
              
                | oneByto/123 | pending build | C/C++ | 
              
                | oneapi-src/oneDAL | pending build | C/C++ | 
              
                | oneapi-src/oneMKL | pending build | C/C++ | 
              
                | oneapi-src/oneTBB | 310,838 | C/C++ | 
              
                | oneapi-src/unified-memory-framework | 229,453 | C/C++ | 
              
                | oneapi-src/unified-runtime | 413,110 | C/C++ | 
              
                | onesixtyone | 17,307 | C/C++ | 
              
                | onetyrion/Testigo | pending build | C/C++ | 
              
                | onkrot/zdoom | pending build | C/C++ | 
              
                | onkwon/yaos | 13,273 | C/C++ | 
              
                | online-store | pending build | C/C++ | 
              
                | onnlucky/hotel | 57,835 | C/C++ | 
              
                | onqtam/doctest | 70,973 | C/C++ | 
              
                | ony/leveldb-tl | pending build | C/C++ | 
              
                | ooc-kean | 315,892 | C/C++ | 
              
                | oocd/openocd | 225,680 | C/C++ | 
              
                | op5-nagios | 95,919 | C/C++ | 
              
                | opae-sdk | 237,624 | C/C++ | 
              
                | open-cmsis-pack-devtools | pending build | C/C++ | 
              
                | open-cos/libcos | 16,461 | C/C++ | 
              
                | open-eid/DigiDoc4-Client | 400,315 | C/C++ | 
              
                | open-eid/MOPP-iOS | 249,840 | C/C++ | 
              
                | open-eid/browser-token-signing | 97,343 | C/C++ | 
              
                | open-eid/chrome-token-signing | 102,540 | C/C++ | 
              
                | open-eid/libcdoc | 209,431 | C/C++ | 
              
                | open-eid/libdigidoc | 66,551 | C/C++ | 
              
                | open-eid/libdigidocpp | 216,423 | C/C++ | 
              
                | open-eid/qdigidoc | 237,696 | C/C++ | 
              
                | open-eid/qesteidutil | 211,782 | C/C++ | 
              
                | open-eid_BT-TeRa | 153,341 | C/C++ | 
              
                | open-io/oio-sds | 149,433 | C/C++ | 
              
                | open-iscsi/open-iscsi | 80,391 | C/C++ | 
              
                | open-iscsi/open-isns | pending build | C/C++ | 
              
                | open-mpi/pmix | 131,928 | C/C++ | 
              
                | open-phri/open-phri | pending build | C/C++ | 
              
                | open-power/ffs | 32,834 | C/C++ | 
              
                | open-power/hcode | pending build | C/C++ | 
              
                | open-power/hostboot | pending build | C/C++ | 
              
                | open-power/occ | pending build | C/C++ | 
              
                | open-power/sb-signing-framework | 22,880 | C/C++ | 
              
                | open-power/sb-signing-utils | 34,224 | C/C++ | 
              
                | open-power/sbe | pending build | C/C++ | 
              
                | open-power/skiboot | 189,013 | C/C++ | 
              
                | open-simh/simh | pending build | C/C++ | 
              
                | open-swoole-src | 190,918 | C/C++ | 
              
                | open-watcom-qa/open-watcom-v2 | pending build | C/C++ | 
              
                | open-watcom/open-watcom-v2 | 1,060,285 | C/C++ | 
              
                | open5gs | 948,831 | C/C++ | 
              
                | open62541/open62541 | 75,205 | C/C++ | 
              
                | openDSME/inet-dsme | 89,755 | C/C++ | 
              
                | openLRSng/openLRSng | pending build | C/C++ | 
              
                | openMSX | 340,581 | C/C++ | 
              
                | openMVG/openMVG | 426,351 | C/C++ | 
              
                | openPMD/openPMD-api | 200,409 | C/C++ | 
              
                | openSIS-Classic | pending build | C/C++ | 
              
                | openSUSE/lldpad | 32,008 | C/C++ | 
              
                | openSUSE/open-fcoe | pending build | C/C++ | 
              
                | openSUSE/xinetd | 32,157 | C/C++ | 
              
                | openWNS | 1,042,486 | C/C++ | 
              
                | openairinterface5g | 1,739,542 | C/C++ | 
              
                | openais | 49,274 | C/C++ | 
              
                | openalpr/openalpr | pending build | C/C++ | 
              
                | openatv/enigma2 | 340,066 | C/C++ | 
              
                | openbabel/openbabel | 214,565 | C/C++ | 
              
                | openbgpd-portable/openbgpd-portable | pending build | C/C++ | 
              
                | openbmc | pending build | C/C++ |