| Zikula | Zikula | 2 |
| Zikula | Zikula Application Framework | 10 |
| Zillionmuslims | Zillion Muslims | 1 |
| Zillya | Zillya\! Antivirus | 3 |
| Zim-wiki | Zim | 1 |
| Zilab | Zim Server | 2 |
| Zimbra | Zimbra | 5 |
| Synacor | Zimbra Collaboration Suite (ZCS) | 1 |
| Synacor | Zimbra Server | 1 |
| Synacor | Zimbra Collaboration Server | 7 |
| Zimbra | Zimbra Collaboration Server | 7 |
| Synacor | Zimbra Collaboration Suite | 49 |
| Synocor | Zimbra Collaboration Suite | 49 |
| Zimbra | Zimbra Collaboration Suite | 49 |
| Vmware | Zimbra Desktop | 1 |
| Zimplit | Zimplit Cms | 1 |
| Pancake | Zina | 4 |
| Pancake.org | Zina | 4 |
| Ryan Lath | Zina | 4 |
| Zindizayn Okul Web Sistemi | Zindizayn Okul Web Sistemi | 1 |
| Zinf | Zinf | 1 |
| Zingiri | Zingiri Web Shop | 2 |
| Zint | Zint | 1 |
| Info-zip | Zip | 4 |
| Info-zip Project | Zip | 4 |
| Marmelroy | Zip | 4 |
| Zip Project | Zip | 4 |
| Zip-local Project | Zip-local | 1 |
| Mc1soft | Zip-n-go | 1 |
| Zip4j Project | Zip4j | 2 |
| Iomega | Zip 100 Mb Drive | 1 |
| Zip Attachments Project | Zip Attachments | 1 |
| Krylack | Zip Password Recovery | 2 |
| Zipstore | Zip Store Chat | 1 |
| Aokitaka | Zip With Pass | 1 |
| Aokitaka | Zip With Pass Pro | 1 |
| Ziparchive Project | Ziparchive | 1 |
| Kaspersky Lab | Zipato Zipabox Smart Home Controller | 3 |
| Zipcar | Zipcar | 1 |
| Giantrobot | Zipcart | 1 |
| Zipcentral | Zipcentral | 1 |
| Peakstep | Zipfoundation | 1 |
| Zipgenius | Zipgenius | 4 |
| Zipios Project | Zipios | 1 |
| Microsmarts | Zipitfast\! | 1 |
| Smithmicro | Zipmagic Deluxe | 1 |
| Vim | Zipplugin.vim | 3 |
| Gesundheit Bewegt GmbH | Zippy | 2 |
| Daniel Mealha Cabrita | Ziproxy | 3 |
| Ziproxy | Ziproxy | 3 |
| Speedproject | Zipstar | 2 |
| Ziptorrent | Ziptorrent | 1 |
| Microchip Data Systems | Ziptv For C\+\+ Builder | 2 |
| Microchip Data Systems | Ziptv For Delphi 7 | 2 |
| Cursorarts | Zipwrangler | 1 |
| Ziteboard | Ziteboard Online Whiteboard | 1 |
| John Andersson | Zixforum | 4 |
| Zixforum | Zixforum | 4 |
| Lebisoft | Ziyaretci Defteri | 1 |
| Zkoss | Zk Framework | 2 |
| Zktec | Zkbio Time | 1 |
| Zkteco | Zkbiosecurity Server | 2 |
| Zkteco | Zkbiosecurity V5000 | 2 |
| Zkea | Zkeacms | 2 |
| Zkeacms | Zkeacms | 2 |
| Camsbiometrics | Zkteco\, Essl\, Cams Biometrics Integration Module | 1 |
| Zkteco | Zktime | 1 |
| Zkteco | Zktime Web | 4 |
| Zkup | Zkup | 2 |
| Zyxel | Zld | 1 |
| Zyxel | Zld Firmware | 1 |
| Gnu | Zlib | 12 |
| Zlib | Zlib | 12 |
| Zlmediakit | Zlmediakit | 3 |
| Zlog Project | Zlog | 1 |
| Sztozed | Zlt S10g Firmware | 1 |
| Zm-gallery Project | Zm-gallery | 1 |
| Zimbra | Zm-mailbox | 1 |
| Silabs | Zm5101 Firmware | 1 |
| Silabs | Zm5202 Firmware | 1 |
| Silabs | Zm5304 Firmware | 1 |
| Zanematthew | Zm Ajax Login \& Register | 2 |
| Xoops | Zmagazine Module | 1 |
| Zmailer | Zmailer | 1 |
| Granite Software | Zmerge | 1 |
| Abe Timmerman | Zml.cgi | 1 |
| Zkteco | Zmm200 Firmware | 1 |
| Zkteco | Zmm210 Firmware | 1 |
| Zkteco | Zmm220 Firmware | 1 |
| Zms Publishing | Zms | 1 |
| Znc | Znc | 12 |
| Znc | Znc-msvc | 2 |
| Znc | Znc Docker Image | 1 |
| Mi | Zncz03lm Firmware | 3 |
| Dasanzhone | Znid 2426a Firmware | 3 |
| Dasanzhone | Znid Gpon 2426a Eu Firmware | 1 |
| Znote | Znote | 1 |
| Emtec | Zoc | 2 |
| Zod | Zod | 1 |
| Zope | Zodb | 5 |
