| Zyxel | ZyWALL VPN2S Firmware | 2 |
| Zyxel | ZyWALL/USG Series Firmware | 5 |
| ZyXEL | ZyXEL P-870H-51 DSL Router | 1 |
| Zyxel | Zynos | 15 |
| Zyxel | Zynos Firmware | 1 |
| AMD-Xilinx | Zynq-7000 SoC FSBL | 1 |
| Xilinx | Zynq-7000 Firmware | 1 |
| Xilinx | Zynq-7000s Firmware | 1 |
| Xilinx | Zynq Ultrascale\+ Mpsoc Firmware | 1 |
| Xilinx | Zynq Ultrascale\+ Rfsoc Firmware | 1 |
| Opensuse | Zypper | 2 |
| Zyxel | Zywall | 1 |
| Zyxel | Zywall10 | 2 |
| Zyxel | Zywall1100 Firmware | 1 |
| Zyxel | Zywall110 Firmware | 1 |
| Zyxel | Zywall310 Firmware | 1 |
| Zyxel | Zywall 100 | 1 |
| Zyxel | Zywall 1050 Firmware | 1 |
| Zyxel | Zywall 1100 Firmware | 3 |
| Zyxel | Zywall 110 Firmware | 3 |
| Zyxel | Zywall 2 | 4 |
| Zyxel | Zywall 2 Plus Internet Security Appliance Firmware | 1 |
| Zyxel | Zywall 310 Firmware | 3 |
| Zyxel | Zywall Usg 100 Firmware | 1 |
| Zyxel | Zywall Vpn100 Firmware | 1 |
| Zyxel | Zywall Vpn300 Firmware | 1 |
| Zyxel | Zywall Vpn 100 Firmware | 1 |
| Zyxel | Zywall Vpn 300 Firmware | 1 |
| Zyxel | Zywall Vpn 50 Firmware | 1 |
| Zyxel | Zyxel AP Configurator (ZAC) | 1 |
| Zyxel | Zyxel GS1200 Series Firmware | 1 |
| Zyxel | Zyxel GS1900 Series Firmware | 1 |
| Zyxel | Zyxel NAS326 Firmware | 1 |
| Zehnet | Zz Flashchat | 1 |
| Zzcms | Zzcms | 74 |
| Zziplib | Zziplib | 22 |
| Zziplib Project | Zziplib | 22 |
| Zzzcms | Zzzcms | 6 |
| Zzzcms | Zzzphp | 14 |
| Zadam | Zadam/trilium | 3 |
| Morontt | Zend-blog-number-2 | 1 |
| Zendframework | Zendframework | 2 |
| Zendframework;PHP | Zendframework | 2 |
| Zephyrproject-rtos | Zephyr | 60 |
| Zerotier | Zerotier/zerotierone | 1 |
| AccessPress Themes | Zigcy-baby | 1 |
| AccessPress Themes | Zigcy-cosmetics | 1 |
| AccessPress Themes | Zigcy-lite | 1 |
| Zinc | Zinc | 2 |
| Zip4j | Zip4j | 1 |
| Zitadel | Zitadel | 6 |
| HackerOne | Zjjserver Node Module | 1 |
| Zimbra | Zm-ajax | 1 |
| Zmister2016 | Zmister2016/mrdoc | 1 |
| Znc | Znc | 1 |
| ZoneMinder | Zoneminder | 12 |
| Zope | Zope2, Zope3 | 2 |
| Ecomfe | Zrender | 1 |
| Zsh | Zsh | 3 |
| MichaelAquilina | Zsh-autoswitch-virtualenv | 1 |
| Zstackio | Zstack | 2 |
| Zeroturnaround | Zt-zip | 1 |
| Zulip | Zulip | 17 |
| Zulip | Zulip-mobile | 1 |
| Zulip | Zulip/zulip | 2 |
| HackerOne | Zwserver Node Module | 1 |
| Zxcvbn-ts | Zxcvbn | 1 |
| Zyantific | Zydis | 1 |
| SUSE | Zypper | 1 |
| Zzcms | Zzcms | 5 |
| Zzcms | Zzmcms | 1 |
