| Btpcoin Project | 1 | 1 |
| Btrfsmaintenance Project | 1 | 1 |
| Bts-Gi.Net | 1 | 1 |
| Btt Software | 1 | 1 |
| Bubble Fireworks Project | 1 | 1 |
| Bubblesoftapps | 1 | 1 |
| Bubblewrap Project | 1 | 1 |
| Bubbling Library | 1 | 2 |
| Buc | 1 | 1 |
| Budabot | 1 | 1 |
| Buddhist Prayer Project | 1 | 1 |
| Buddho | 1 | 1 |
| Buddybadges Project | 1 | 1 |
| Buddyboss | 4 | 8 |
| Buddypress | 1 | 9 |
| Buddypress Cover Project | 1 | 1 |
| Buddystream Project | 1 | 1 |
| Budget Management System Project | 1 | 1 |
| Budibase | 1 | 2 |
| Bueltge | 1 | 2 |
| Buffalo | 159 | 383 |
| Buffalo Inc | 1 | 1 |
| Buffalotech | 57 | 76 |
| Bufferapp | 1 | 1 |
| Buffercode | 2 | 5 |
| Bufferlist Project | 1 | 1 |
| Bufferzonesecurity | 1 | 1 |
| Buffoon Project | 1 | 1 |
| Bug Library Project | 1 | 3 |
| Bug Software | 1 | 1 |
| Bugada Andrea | 1 | 10 |
| Bugbear | 1 | 1 |
| Bugfinder | 10 | 12 |
| Bugfree | 1 | 1 |
| Bughunter | 1 | 2 |
| Bugmall | 1 | 3 |
| Bugtracker.Net | 1 | 2 |
| Bui Project | 1 | 1 |
| Build It Fast | 1 | 1 |
| Buildagate Project | 1 | 1 |
| Buildah Project | 1 | 5 |
| Buildanichestore3 | 1 | 1 |
| Buildbot | 1 | 4 |
| Builder | 1 | 3 |
| Buildfail | 1 | 1 |
| Buildkite | 1 | 2 |
| Buildroot | 1 | 6 |
| Built2Go | 4 | 4 |
| Bukulokomedia | 1 | 3 |
| Bulbsecurity | 1 | 6 |
| Bulk Creator Project | 1 | 1 |
| Bulk Datetime Change Project | 1 | 1 |
| Bulk Page Creator Project | 1 | 1 |
| Bulk Resize Media Project | 1 | 1 |
| Bulkgate | 1 | 1 |
| Bulletin | 1 | 3 |
| Bulletin Board Ace | 1 | 1 |
| Bulletproof | 1 | 1 |
| Bulletproofs Project | 1 | 1 |
| Bullguard | 5 | 7 |
| Bulutses | 1 | 1 |
| Bump Project | 1 | 1 |
| Bumpalo Project | 1 | 1 |
| Bumsys Project | 1 | 8 |
| Bunch Project | 1 | 1 |
| Bund | 2 | 3 |
| Bundler | 1 | 5 |
| Buns Project | 1 | 1 |
| Burak Yilmaz | 1 | 1 |
| Burden Project | 1 | 2 |
| Burgersoftwares | 1 | 1 |
| Burgundy-Cms Project | 1 | 1 |
| Burn Project | 1 | 1 |
| Burnaware Technologies | 1 | 1 |
| Burnstone | 1 | 1 |
| Burnsy | 1 | 1 |
| Buronya | 1 | 1 |
| Burp Project | 1 | 2 |
| Burrow-Wheeler Aligner Project | 1 | 2 |
| Burst-Statistics | 1 | 2 |
| Burton Computer Corporation | 1 | 1 |
| Burut | 1 | 3 |
| Bus Dispatch And Information System Project | 1 | 4 |
| Busbaer | 1 | 7 |
| Busch-Jaeger | 2 | 5 |
| Bushnellgolf | 1 | 1 |
| Business Alliance Financial Circle Project | 1 | 1 |
| Business Hours Indicator Project | 1 | 1 |
| Business Management System Project | 1 | 1 |
| Business-Dnasolutions | 1 | 1 |
| Businessdirectoryplugin | 1 | 3 |
| Businessdnasolutions | 1 | 10 |
| Businessobjects | 10 | 22 |
| Businessspace | 1 | 1 |
| Businessvein | 1 | 1 |
| Busybox | 1 | 39 |
| Butok | 1 | 6 |
| Butor | 1 | 1 |
| Butter Project | 1 | 1 |
| Buttercms | 1 | 1 |
