Nextcloud Backup
Backup for Nextcloud on Ubuntu (Raspberry Pi & Intel): web GUI with systemd autostart, stream encryption, incremental snapshots, German/English UI. Fully open source – optional donations welcome.
plugins.froendhoff.com
Plugins & Tools
WordPress extensions and open-source tools with documentation and downloads. Free editions are fully usable (MedienUpload Lite also on wordpress.org). Support development with a thank-you key, Pro add-ons, or a donation.
Open source / Linux
NC Backup for Nextcloud
Nextcloud plugin: start a backup from admin settings. No restore in the cloud – recovery stays in the nc-backup web UI. Requires nc-backup 1.7.
WordPress plugins
MailDoubleOptin
Double opt-in for Contact Form 7 and Divi contact forms. Submissions reach you only after email confirmation – no WordPress user account required.
Shop Account Verification
Double opt-in for WooCommerce customer accounts. Customers must confirm their email before they can log in and shop. Free beta with disclaimer.
MedienUpload
Lite free on wordpress.org: media folders with real server structure. Pro here: drag & drop, physical moves, flexible date folders, and license.
Grafopt
Lite: convert uploads to WebP and more, resize, keep an original backup. Pro: color profiles to sRGB for accurate browser colors.