Plexle.us is described as 'Plexle is a place to host your files without worrying about them being taken down. We can't violate our users privacy and look inside the servers to check what they have uploaded. This is none of our business' and is an app in the Backup & Sync category. There are more than 100 alternatives to Plexle.us for a variety of platforms, including Online / Web-based, Windows, Mac, Android and iPhone. The best alternative is Nextcloud, which is both free and Open Source. Other great apps like Plexle.us are Dropbox (Freemium), Google Drive (Freemium), Syncthing (Free, Open Source) and MEGA (Freemium).
Synology C2 synchronizes data across all your devices, such as computers, mobile devices, or other Synology NAS. Build a private cloud and ensure files are readily available when and where you need them.
Uptobox is a file hosting provider. They offer online storage/remote backup capacity, sophisticated uploading and downloading tools. With Uptobox you can host files, images, videos, audio and flash on the same place.
e2ee-cloud is a open source, self-hosted, end-to-end encryption software. You can upload and download files in your browser. All files and folders will be encrypted before upload and decrypted after download.