One-Time Secret - One-Time Secret is a way to share sensitive information simple and secure.
Toolsley PGPigeon - Simple but powerful OpenPGP-compatible message encryption webapp.
Password Pusher - Go Ahead. Email Another Password.
DeliverySlip - DeliverySlip helps simplify, secure, and expedite the burdensome elements of online collaboration...
Password.link - Securely send and receive secrets using a one-time link. The secret is encrypted and decrypted in the browser using an encryption key only known by the user. Has features like notifications, teams, API. Trusted by IT teams all around the world.
Lockbin - Lockbin is a web application for sending private email messages and files.