| Readymedia Project | 1 | 5 |
| Readynet Solutions | 2 | 4 |
| Readytalk | 1 | 3 |
| Real | 1 | 172 |
| Real Big Plugins | 1 | 1 |
| Real Time Automation | 2 | 2 |
| Real WYSIWYG | 1 | 1 |
| Real-estate-php-script | 1 | 2 |
| Real-estate-scripts | 1 | 1 |
| Real-sec | 1 | 1 |
| RealFaviconGenerator | 1 | 1 |
| Real Estate Management Software | 1 | 1 |
| Real Time Logic | 2 | 8 |
| Realacademiabellasartessanfernando | 1 | 1 |
| Realbig Team | 1 | 1 |
| Realbigplugins | 1 | 1 |
| Realchat | 1 | 1 |
| Realdefense | 3 | 3 |
| Realestate Crowdfunding Script Project | 1 | 1 |
| Realestate Project | 1 | 1 |
| Realestateconnected | 1 | 1 |
| Realestatephp | 1 | 1 |
| Realflex | 3 | 6 |
| Realflex Technologies Ltd | 1 | 1 |
| Realguestbook | 1 | 3 |
| Realink | 1 | 2 |
| Reality | 1 | 1 |
| Reality66 | 1 | 3 |
| Realitymedias | 1 | 2 |
| Realityscape | 1 | 1 |
| Realization | 1 | 1 |
| Really Simple Plugins | 4 | 11 |
| Really Simple Caldav Store | 1 | 1 |
| Really Simple Php And Ajax | 1 | 2 |
| Reallysimplechat | 1 | 3 |
| Realm Project | 1 | 4 |
| Realmatrix | 1 | 1 |
| Realmd Project | 1 | 1 |
| Realnetworks | 26 | 400 |
| Realnode | 1 | 1 |
| Realobjects | 1 | 2 |
| Realpage | 2 | 2 |
| Realpin Project | 1 | 1 |
| Realseriousgames | 1 | 1 |
| Realtek | 31 | 52 |
| Realtime Internet Band Rehearsal | 1 | 1 |
| Realtimelogic | 2 | 6 |
| Realtyna | 2 | 3 |
| Realtysoft | 1 | 1 |
| Realtywebware | 1 | 2 |
| Realvnc | 4 | 10 |
| Realwebcare | 1 | 1 |
| Reamday Enterprises | 5 | 9 |
| Reasoncms | 1 | 1 |
| Rebb | 1 | 1 |
| RebeccaStevens | 1 | 1 |
| Rebellion | 1 | 1 |
| Rebrand | 1 | 1 |
| Rebuild Project | 1 | 7 |
| Recall-products Project | 1 | 2 |
| Recaptcha Solver Project | 1 | 1 |
| Recent-backups Project | 1 | 1 |
| Recent Threads Project | 1 | 1 |
| Recipants | 1 | 2 |
| Recipes-writer Project | 1 | 1 |
| Recipes Complete Website | 1 | 1 |
| Recipescript | 1 | 2 |
| Reciply Project | 1 | 1 |
| Recly | 4 | 4 |
| Recommend To A Friend Project | 1 | 1 |
| Recon-ng Project | 1 | 1 |
| Record-like-deep-assign Project | 1 | 1 |
| Record Management System Project | 1 | 1 |
| Recordnrip | 1 | 1 |
| Recourse Technologies | 1 | 7 |
| Recruit | 1 | 1 |
| Recruit Co., Ltd. | 2 | 2 |
| Recruitment Agency Software | 1 | 1 |
| Recruitment Management System Project | 1 | 1 |
| Recruitment Software | 1 | 1 |
| Recurly | 3 | 3 |
| Red Hat | 257 | 2481 |
| Red Hat Bootloader Team | 1 | 1 |
| Red Hat Satellite 6 | 1 | 6 |
| Red Hat, Inc. | 57 | 991 |
| Red Lion | 2 | 11 |
| Red Lion Controls | 10 | 16 |
| Red Lion Europe | 4 | 24 |
| Red Snapper | 1 | 1 |
| Red-gate | 3 | 7 |
| Red-m | 2 | 9 |
| Red5 | 1 | 19 |
| RedHat | 11 | 223 |
| RedNao | 3 | 12 |
| Red Mercury | 1 | 1 |
| Red Mexico | 1 | 1 |
| Red Swoosh | 1 | 29 |
| Redaction System | 1 | 1 |
| Redash | 1 | 2 |
| Redatam | 1 | 2 |
