| Sensiolabs | 3 | 59 |
| Senstar | 1 | 1 |
| Sensu | 1 | 2 |
| Sensysnetworks | 4 | 8 |
| Sentcms | 1 | 2 |
| Sentex | 1 | 5 |
| Sentinel | 1 | 5 |
| Sentinels Randomizer Project | 1 | 1 |
| Sentraweb | 1 | 1 |
| Sentrifugo | 1 | 12 |
| Sentry | 4 | 12 |
| Sentrysoftware | 1 | 1 |
| Seo Backlinks Project | 1 | 1 |
| Seo Searchterms Tagging 2 Project | 1 | 2 |
| Seo Smart Links Project | 1 | 1 |
| Seo-301-Meta Project | 1 | 1 |
| Seo-Board | 1 | 1 |
| Seogento | 1 | 1 |
| Seopanel | 2 | 22 |
| Seopress | 1 | 7 |
| Seopressor | 1 | 1 |
| Seosamba | 1 | 1 |
| Seoscout | 1 | 1 |
| Seosthemes | 1 | 1 |
| Seothemes | 1 | 2 |
| Seotoaster | 1 | 1 |
| Seotool Project | 1 | 3 |
| Seowonintech | 12 | 13 |
| Sepal | 1 | 1 |
| Sepcity | 3 | 4 |
| Sephiroth32 | 1 | 1 |
| Sepidz | 1 | 1 |
| Seportal | 1 | 1 |
| Seppmail | 1 | 2 |
| Seqrite | 1 | 2 |
| Sequelize Project | 1 | 1 |
| Sequelizejs | 2 | 13 |
| Sequi | 1 | 2 |
| Seraphimtech | 1 | 1 |
| Seraphinitesolutions | 1 | 3 |
| Serby Arslanhan | 1 | 1 |
| Serc.Js Project | 1 | 1 |
| Sercomm | 2 | 2 |
| Serde Cbor Project | 1 | 1 |
| Serde-Yaml Project | 1 | 1 |
| Serena | 1 | 2 |
| Serena Software | 1 | 1 |
| Serendipity | 1 | 6 |
| Serendipitynz | 2 | 3 |
| Serenity | 2 | 6 |
| Serenityos | 1 | 8 |
| Serf Project | 1 | 1 |
| Serge Gebhardt | 1 | 1 |
| Serge Rey | 1 | 1 |
| Sergey Kiselev | 1 | 3 |
| Sergey Korostel | 1 | 3 |
| Sergey Lyubka | 2 | 5 |
| Sergey Oblomov | 1 | 1 |
| Sergids | 1 | 1 |
| Serial Line Sniffer | 1 | 1 |
| Serial-Number Project | 1 | 1 |
| Serialize-To-Js Project | 1 | 3 |
| Serilog-Contrib | 1 | 1 |
| Serinf | 1 | 3 |
| Serioussam | 1 | 1 |
| Sermon Browser Project | 1 | 2 |
| Sernet | 1 | 1 |
| Serpico Project | 1 | 7 |
| Sertek | 1 | 2 |
| Servantix | 1 | 1 |
| Serve | 1 | 1 |
| Serve-Here.Js Project | 1 | 1 |
| Serve-Lite Project | 1 | 2 |
| Serve-Static Project | 1 | 1 |
| Serve46 Project | 1 | 1 |
| Server Web Monitor Page Project | 1 | 1 |
| Server-Php Project | 1 | 1 |
| Serverabc Project | 1 | 1 |
| Serverhuwenhui Project | 1 | 1 |
| Serverkit | 1 | 1 |
| Serverless Offline Project | 1 | 2 |
| Serverliujiayi1 Project | 1 | 1 |
| Serverlyr Project | 1 | 1 |
| Servermanagement Project | 1 | 1 |
| Servers-R-Us | 1 | 1 |
| Serverscheck | 2 | 5 |
| Serverwg Project | 1 | 1 |
| Serverwzl Project | 1 | 1 |
| Serverxxx Project | 1 | 1 |
| Serveryaozeyan Project | 1 | 1 |
| Serveryztyzt Project | 1 | 1 |
| Serverzyy Project | 1 | 1 |
| Servey Project | 1 | 1 |
| Service Location Protocol Project | 1 | 1 |
| Service Project | 1 | 1 |
| Serviceacademyforums | 1 | 1 |
| Servicenow | 2 | 15 |
| Servicerocket | 1 | 1 |
| Services Basic Authentication Project | 1 | 1 |
| Services Project | 1 | 6 |
