diff --git a/software/optional.csv b/software/optional.csv
index 8792a60..6480f97 100644
--- a/software/optional.csv
+++ b/software/optional.csv
@@ -3,6 +3,7 @@ https://github.com/sqlitebrowser/sqlitebrowser/releases/download/v3.12.1/DB.Brow
 https://www.emclient.com/dist/v8.1.1060/setup.msi emclient-setup.msi
 https://download.sp.f-secure.com/SE/Retail/installer/F-SecureNetworkInstaller-AV.exe f-securenetworkinstaller-av_avtr20f930_.exe
 https://dl.google.com/drive/gsync_enterprise64.msi gsync-setup.msi
+https://s3.eu-central-1.amazonaws.com/download.seadrive.org/seafile-8.0.3-en.msi seafile-setup.msi
 https://github.com/ClusterM/hakchi2/releases/download/v2.32/hakchi2.zip hakchi2.zip
 https://download3.vmware.com/software/view/viewclients/CART21FQ4/VMware-Horizon-Client-2012-8.1.0-17349995.exe horizon-setup.exe
 https://github.com/mamedev/mame/releases/download/mame0186/mame0186b_64bit.exe mame64.7z