NewReleases - Stop wasting your time checking manually if some piece of software is updated. Get Email, Slack, Telegram, Discord, Hangouts Chat, Microsoft Teams, Mattermost, Rocket.Chat, or Webhooks notifications.
Toolsley PGPigeon - Simple but powerful OpenPGP-compatible message encryption webapp.
ReleaseBell - Stay on top of releases for repos you star on GitHub
DeliverySlip - DeliverySlip helps simplify, secure, and expedite the burdensome elements of online collaboration...
Violinist.io - Automatically update your composer (php) dependencies
Lockbin - Lockbin is a web application for sending private email messages and files.